/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:14:49,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:14:49,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:14:49,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:14:49,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:14:49,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:14:49,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:14:49,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:14:49,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:14:49,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:14:49,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:14:49,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:14:49,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:14:49,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:14:49,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:14:49,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:14:49,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:14:49,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:14:49,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:14:49,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:14:49,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:14:49,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:14:49,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:14:49,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:14:49,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:14:49,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:14:49,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:14:49,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:14:49,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:14:49,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:14:49,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:14:49,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:14:49,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:14:49,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:14:49,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:14:49,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:14:49,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:14:49,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:14:49,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:14:49,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:14:49,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:14:49,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 19:14:49,447 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:14:49,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:14:49,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:14:49,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:14:49,449 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:14:49,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:14:49,450 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:14:49,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:14:49,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:14:49,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:14:49,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:14:49,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:14:49,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:14:49,451 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:14:49,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:14:49,452 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:14:49,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:14:49,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:14:49,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:14:49,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:14:49,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:14:49,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:14:49,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:14:49,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:14:49,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:14:49,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:14:49,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:14:49,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:14:49,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:14:49,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 19:14:49,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:14:49,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:14:49,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:14:49,798 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:14:49,798 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:14:49,799 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label38.c [2020-10-14 19:14:49,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d2969c70/9ce115c94e8f44a4893d1c9e0f91fa24/FLAG2509368f6 [2020-10-14 19:14:50,507 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:14:50,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label38.c [2020-10-14 19:14:50,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d2969c70/9ce115c94e8f44a4893d1c9e0f91fa24/FLAG2509368f6 [2020-10-14 19:14:50,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d2969c70/9ce115c94e8f44a4893d1c9e0f91fa24 [2020-10-14 19:14:50,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:14:50,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:14:50,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:14:50,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:14:50,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:14:50,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:14:50" (1/1) ... [2020-10-14 19:14:50,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab41b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:50, skipping insertion in model container [2020-10-14 19:14:50,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:14:50" (1/1) ... [2020-10-14 19:14:50,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:14:50,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:14:51,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:14:51,756 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:14:52,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:14:52,156 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:14:52,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52 WrapperNode [2020-10-14 19:14:52,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:14:52,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:14:52,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:14:52,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:14:52,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52" (1/1) ... [2020-10-14 19:14:52,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52" (1/1) ... [2020-10-14 19:14:52,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52" (1/1) ... [2020-10-14 19:14:52,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52" (1/1) ... [2020-10-14 19:14:52,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52" (1/1) ... [2020-10-14 19:14:52,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52" (1/1) ... [2020-10-14 19:14:52,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52" (1/1) ... [2020-10-14 19:14:52,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:14:52,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:14:52,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:14:52,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:14:52,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:14:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:14:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:14:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:14:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:14:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:14:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:14:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:14:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:14:52,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:14:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:14:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:14:54,456 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:14:54,456 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:14:54,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:14:54 BoogieIcfgContainer [2020-10-14 19:14:54,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:14:54,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:14:54,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:14:54,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:14:54,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:14:50" (1/3) ... [2020-10-14 19:14:54,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f6a109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:14:54, skipping insertion in model container [2020-10-14 19:14:54,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:14:52" (2/3) ... [2020-10-14 19:14:54,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f6a109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:14:54, skipping insertion in model container [2020-10-14 19:14:54,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:14:54" (3/3) ... [2020-10-14 19:14:54,474 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label38.c [2020-10-14 19:14:54,488 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:14:54,498 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:14:54,519 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:14:54,552 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:14:54,552 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:14:54,553 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:14:54,553 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:14:54,553 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:14:54,553 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:14:54,553 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:14:54,554 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:14:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-10-14 19:14:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 19:14:54,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:14:54,603 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:14:54,603 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:14:54,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:14:54,612 INFO L82 PathProgramCache]: Analyzing trace with hash -2093619232, now seen corresponding path program 1 times [2020-10-14 19:14:54,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:14:54,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191414477] [2020-10-14 19:14:54,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:14:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:55,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:55,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:59,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:59,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 19:14:59,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:14:59,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3912 [2020-10-14 19:14:59,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:59,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:14:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:14:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-14 19:14:59,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:14:59,494 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:14:59,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:14:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:59,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:59,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:59,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:14:59,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:59,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 19:14:59,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:59,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:14:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:14:59,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:14:59,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191414477] [2020-10-14 19:14:59,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:14:59,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:14:59,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90900783] [2020-10-14 19:14:59,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:14:59,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:14:59,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:14:59,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:14:59,734 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 4 states. [2020-10-14 19:14:59,902 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:02,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:02,711 INFO L93 Difference]: Finished difference Result 884 states and 1536 transitions. [2020-10-14 19:15:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:15:02,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2020-10-14 19:15:02,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:02,734 INFO L225 Difference]: With dead ends: 884 [2020-10-14 19:15:02,735 INFO L226 Difference]: Without dead ends: 480 [2020-10-14 19:15:02,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:15:02,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-14 19:15:02,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 475. [2020-10-14 19:15:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-14 19:15:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 728 transitions. [2020-10-14 19:15:02,842 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 728 transitions. Word has length 207 [2020-10-14 19:15:02,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:02,847 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 728 transitions. [2020-10-14 19:15:02,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:15:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 728 transitions. [2020-10-14 19:15:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-14 19:15:02,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:02,863 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:15:02,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:15:02,864 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:02,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:02,865 INFO L82 PathProgramCache]: Analyzing trace with hash -288470301, now seen corresponding path program 1 times [2020-10-14 19:15:02,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:02,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523499611] [2020-10-14 19:15:02,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:02,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:03,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:04,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:05,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:06,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:06,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 19:15:06,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:15:06,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3066 [2020-10-14 19:15:06,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:06,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:06,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:06,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 19:15:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 19:15:06,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:06,289 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:06,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:06,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:06,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:06,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:06,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:15:06,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:06,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:06,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:06,471 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-14 19:15:06,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:06,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:06,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:06,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:15:06,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:06,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 19:15:06,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:06,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:06,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 19:15:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:15:06,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523499611] [2020-10-14 19:15:06,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:06,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:15:06,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340520749] [2020-10-14 19:15:06,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:15:06,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:06,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:15:06,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:15:06,569 INFO L87 Difference]: Start difference. First operand 475 states and 728 transitions. Second operand 5 states. [2020-10-14 19:15:06,769 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:09,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:09,277 INFO L93 Difference]: Finished difference Result 1371 states and 2130 transitions. [2020-10-14 19:15:09,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:15:09,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2020-10-14 19:15:09,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:09,291 INFO L225 Difference]: With dead ends: 1371 [2020-10-14 19:15:09,291 INFO L226 Difference]: Without dead ends: 902 [2020-10-14 19:15:09,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:15:09,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-10-14 19:15:09,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 895. [2020-10-14 19:15:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-14 19:15:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1222 transitions. [2020-10-14 19:15:09,358 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1222 transitions. Word has length 216 [2020-10-14 19:15:09,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:09,360 INFO L479 AbstractCegarLoop]: Abstraction has 895 states and 1222 transitions. [2020-10-14 19:15:09,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:15:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1222 transitions. [2020-10-14 19:15:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-14 19:15:09,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:09,365 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:15:09,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:15:09,365 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:09,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:09,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1838937184, now seen corresponding path program 1 times [2020-10-14 19:15:09,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:09,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [827043170] [2020-10-14 19:15:09,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:09,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:09,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:11,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:11,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-14 19:15:11,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:15:11,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2112 [2020-10-14 19:15:11,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:11,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-14 19:15:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 19:15:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:11,819 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:11,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:11,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:11,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:11,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:11,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:11,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:15:11,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:11,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:11,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:11,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:12,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:12,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 19:15:12,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:12,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 19:15:12,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:12,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:12,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:12,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:12,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 19:15:12,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:15:12,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [827043170] [2020-10-14 19:15:12,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:12,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:15:12,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207677666] [2020-10-14 19:15:12,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:15:12,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:12,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:15:12,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:15:12,178 INFO L87 Difference]: Start difference. First operand 895 states and 1222 transitions. Second operand 5 states. [2020-10-14 19:15:12,480 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:15,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:15,711 INFO L93 Difference]: Finished difference Result 2639 states and 3659 transitions. [2020-10-14 19:15:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:15:15,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 225 [2020-10-14 19:15:15,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:15,728 INFO L225 Difference]: With dead ends: 2639 [2020-10-14 19:15:15,729 INFO L226 Difference]: Without dead ends: 1750 [2020-10-14 19:15:15,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:15:15,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2020-10-14 19:15:15,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1739. [2020-10-14 19:15:15,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1739 states. [2020-10-14 19:15:15,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2326 transitions. [2020-10-14 19:15:15,825 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2326 transitions. Word has length 225 [2020-10-14 19:15:15,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:15,826 INFO L479 AbstractCegarLoop]: Abstraction has 1739 states and 2326 transitions. [2020-10-14 19:15:15,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:15:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2326 transitions. [2020-10-14 19:15:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-14 19:15:15,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:15,837 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:15:15,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:15:15,837 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:15,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:15,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1685931753, now seen corresponding path program 1 times [2020-10-14 19:15:15,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:15,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913645670] [2020-10-14 19:15:15,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:15,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:16,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:17,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:17,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 19:15:17,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:15:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1830 [2020-10-14 19:15:17,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:17,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 19:15:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 19:15:17,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:17,943 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:17,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:17,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:17,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:17,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:17,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:17,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:15:17,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:17,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:17,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:17,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:17,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:17,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:18,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:18,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:18,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:18,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 19:15:18,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:18,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 19:15:18,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:18,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:18,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:18,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:18,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 19:15:18,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:15:18,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913645670] [2020-10-14 19:15:18,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:18,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:15:18,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138852818] [2020-10-14 19:15:18,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:15:18,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:18,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:15:18,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:15:18,273 INFO L87 Difference]: Start difference. First operand 1739 states and 2326 transitions. Second operand 5 states. [2020-10-14 19:15:18,476 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:20,898 INFO L93 Difference]: Finished difference Result 5163 states and 7064 transitions. [2020-10-14 19:15:20,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:15:20,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-14 19:15:20,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:20,918 INFO L225 Difference]: With dead ends: 5163 [2020-10-14 19:15:20,919 INFO L226 Difference]: Without dead ends: 3430 [2020-10-14 19:15:20,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:15:20,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2020-10-14 19:15:21,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 3423. [2020-10-14 19:15:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3423 states. [2020-10-14 19:15:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4479 transitions. [2020-10-14 19:15:21,034 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4479 transitions. Word has length 226 [2020-10-14 19:15:21,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:21,035 INFO L479 AbstractCegarLoop]: Abstraction has 3423 states and 4479 transitions. [2020-10-14 19:15:21,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:15:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4479 transitions. [2020-10-14 19:15:21,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 19:15:21,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:21,046 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:15:21,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:15:21,047 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:21,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:21,047 INFO L82 PathProgramCache]: Analyzing trace with hash -850359650, now seen corresponding path program 1 times [2020-10-14 19:15:21,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:21,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562533532] [2020-10-14 19:15:21,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:21,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:21,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:22,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:23,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:23,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:24,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:26,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:26,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-14 19:15:26,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:15:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 19:15:26,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:26,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 19:15:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-14 19:15:26,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:26,439 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:26,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:26,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:26,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:26,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:26,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:26,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:15:26,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:26,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:26,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:26,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:26,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:26,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 19:15:26,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:26,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:26,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:26,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:15:26,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:26,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 19:15:26,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:26,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:26,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:26,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:26,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:26,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:26,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:15:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:26,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:26,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:26,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:15:26,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 19:15:26,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:26,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:26,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:26,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:26,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 19:15:26,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 19:15:26,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562533532] [2020-10-14 19:15:26,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:26,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:15:26,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6175223] [2020-10-14 19:15:26,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:15:26,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:26,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:15:26,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:15:26,735 INFO L87 Difference]: Start difference. First operand 3423 states and 4479 transitions. Second operand 5 states. [2020-10-14 19:15:27,240 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:29,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:29,834 INFO L93 Difference]: Finished difference Result 8519 states and 11548 transitions. [2020-10-14 19:15:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:15:29,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 243 [2020-10-14 19:15:29,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:29,863 INFO L225 Difference]: With dead ends: 8519 [2020-10-14 19:15:29,863 INFO L226 Difference]: Without dead ends: 5102 [2020-10-14 19:15:29,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:15:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5102 states. [2020-10-14 19:15:30,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5102 to 5095. [2020-10-14 19:15:30,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5095 states. [2020-10-14 19:15:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 6878 transitions. [2020-10-14 19:15:30,060 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 6878 transitions. Word has length 243 [2020-10-14 19:15:30,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:30,061 INFO L479 AbstractCegarLoop]: Abstraction has 5095 states and 6878 transitions. [2020-10-14 19:15:30,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:15:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 6878 transitions. [2020-10-14 19:15:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-14 19:15:30,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:30,086 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:15:30,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:15:30,087 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:30,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:30,087 INFO L82 PathProgramCache]: Analyzing trace with hash 228067521, now seen corresponding path program 1 times [2020-10-14 19:15:30,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:30,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1508942046] [2020-10-14 19:15:30,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:30,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:30,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:30,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:31,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:32,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:33,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:34,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:35,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:35,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-14 19:15:35,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 19:15:35,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-14 19:15:35,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:35,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:15:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:15:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 19:15:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:35,371 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:35,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:35,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:35,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:35,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:35,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:35,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 19:15:35,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:35,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:15:35,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:35,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:35,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:35,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:15:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:15:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 19:15:35,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:35,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:35,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 19:15:35,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 19:15:35,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:15:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:35,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:35,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:35,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:15:35,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 19:15:35,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:35,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:35,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:35,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:35,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 19:15:35,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:35,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 19:15:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:35,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:35,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:35,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 19:15:35,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:35,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 19:15:35,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:35,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 19:15:35,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:35,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-14 19:15:36,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1508942046] [2020-10-14 19:15:36,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:36,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:15:36,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196819500] [2020-10-14 19:15:36,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:15:36,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:36,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:15:36,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:15:36,135 INFO L87 Difference]: Start difference. First operand 5095 states and 6878 transitions. Second operand 7 states. [2020-10-14 19:15:36,329 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:39,151 INFO L93 Difference]: Finished difference Result 15376 states and 21465 transitions. [2020-10-14 19:15:39,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 19:15:39,152 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2020-10-14 19:15:39,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:39,209 INFO L225 Difference]: With dead ends: 15376 [2020-10-14 19:15:39,210 INFO L226 Difference]: Without dead ends: 10287 [2020-10-14 19:15:39,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:15:39,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10287 states. [2020-10-14 19:15:39,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10287 to 10184. [2020-10-14 19:15:39,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10184 states. [2020-10-14 19:15:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10184 states to 10184 states and 13978 transitions. [2020-10-14 19:15:39,571 INFO L78 Accepts]: Start accepts. Automaton has 10184 states and 13978 transitions. Word has length 266 [2020-10-14 19:15:39,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:39,572 INFO L479 AbstractCegarLoop]: Abstraction has 10184 states and 13978 transitions. [2020-10-14 19:15:39,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:15:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 10184 states and 13978 transitions. [2020-10-14 19:15:39,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-14 19:15:39,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:39,608 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:15:39,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:15:39,608 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:39,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:39,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1433559597, now seen corresponding path program 1 times [2020-10-14 19:15:39,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:39,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138515240] [2020-10-14 19:15:39,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:39,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:39,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:42,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:44,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:44,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-14 19:15:44,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:15:44,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 19:15:44,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:44,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 19:15:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 19:15:44,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:45,025 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:45,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:45,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:45,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:45,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:45,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:45,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:15:45,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:45,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:45,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:45,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:45,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:45,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:15:45,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:45,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 19:15:45,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:45,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:45,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:45,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:45,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 19:15:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:45,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:45,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:45,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 19:15:45,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:45,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 19:15:45,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:45,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:45,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:45,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:45,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 19:15:45,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 19:15:45,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138515240] [2020-10-14 19:15:45,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:45,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:15:45,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237223675] [2020-10-14 19:15:45,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:15:45,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:45,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:15:45,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:15:45,441 INFO L87 Difference]: Start difference. First operand 10184 states and 13978 transitions. Second operand 5 states. [2020-10-14 19:15:45,588 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 19:15:48,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:48,202 INFO L93 Difference]: Finished difference Result 25399 states and 35513 transitions. [2020-10-14 19:15:48,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:15:48,203 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 275 [2020-10-14 19:15:48,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:48,269 INFO L225 Difference]: With dead ends: 25399 [2020-10-14 19:15:48,269 INFO L226 Difference]: Without dead ends: 15221 [2020-10-14 19:15:48,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:15:48,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15221 states. [2020-10-14 19:15:48,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15221 to 15214. [2020-10-14 19:15:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15214 states. [2020-10-14 19:15:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15214 states to 15214 states and 20800 transitions. [2020-10-14 19:15:48,728 INFO L78 Accepts]: Start accepts. Automaton has 15214 states and 20800 transitions. Word has length 275 [2020-10-14 19:15:48,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:48,729 INFO L479 AbstractCegarLoop]: Abstraction has 15214 states and 20800 transitions. [2020-10-14 19:15:48,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:15:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 15214 states and 20800 transitions. [2020-10-14 19:15:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-14 19:15:48,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:48,781 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:15:48,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 19:15:48,782 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:48,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:48,782 INFO L82 PathProgramCache]: Analyzing trace with hash 2079110564, now seen corresponding path program 1 times [2020-10-14 19:15:48,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:48,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391151225] [2020-10-14 19:15:48,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:49,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:50,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:51,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:53,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:53,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-14 19:15:53,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:15:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 19:15:53,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:53,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 19:15:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 19:15:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:54,124 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:54,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:54,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:54,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:54,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:54,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 19:15:54,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:54,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:54,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:54,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:54,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:54,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:54,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 19:15:54,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:54,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 19:15:54,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:54,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:54,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:54,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:54,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:54,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:54,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 19:15:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:54,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:54,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:54,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 19:15:54,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 19:15:54,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:54,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 19:15:54,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 19:15:54,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391151225] [2020-10-14 19:15:54,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:54,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:15:54,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940154402] [2020-10-14 19:15:54,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:15:54,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:54,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:15:54,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:15:54,431 INFO L87 Difference]: Start difference. First operand 15214 states and 20800 transitions. Second operand 5 states. [2020-10-14 19:15:54,668 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:15:57,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:57,680 INFO L93 Difference]: Finished difference Result 43643 states and 60500 transitions. [2020-10-14 19:15:57,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:15:57,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 282 [2020-10-14 19:15:57,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:57,682 INFO L225 Difference]: With dead ends: 43643 [2020-10-14 19:15:57,682 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:15:57,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:15:57,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:15:57,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:15:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:15:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:15:57,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 282 [2020-10-14 19:15:57,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:57,797 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:15:57,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:15:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:15:57,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:15:57,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 19:15:57,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:16:00,013 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 22 [2020-10-14 19:16:00,339 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 22 [2020-10-14 19:16:00,524 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 97 [2020-10-14 19:16:03,505 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 416 DAG size of output: 124 [2020-10-14 19:16:03,618 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:16:03,734 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:16:03,735 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a5~0 |old(~a5~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~v~0 |old(~v~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 19:16:03,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:16:03,736 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-14 19:16:03,736 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-10-14 19:16:03,736 INFO L268 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,737 INFO L268 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,737 INFO L268 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,737 INFO L268 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,737 INFO L268 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,737 INFO L268 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,737 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,737 INFO L268 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,738 INFO L268 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,739 INFO L268 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,740 INFO L268 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,741 INFO L268 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,742 INFO L268 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,743 INFO L268 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,744 INFO L268 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,745 INFO L268 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2020-10-14 19:16:03,746 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2020-10-14 19:16:03,746 INFO L268 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,746 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a26~0 |old(~a26~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a6~0 |old(~a6~0)|)) (.cse4 (= ~a8~0 |old(~a8~0)|)) (.cse29 (= ~a29~0 |old(~a29~0)|)) (.cse5 (= ~a1~0 |old(~a1~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (= ~a3~0 |old(~a3~0)|)) (.cse8 (= ~a0~0 |old(~a0~0)|)) (.cse9 (= ~a9~0 |old(~a9~0)|)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= ~a5~0 |old(~a5~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a4~0 |old(~a4~0)|)) (.cse15 (= ~a2~0 |old(~a2~0)|)) (.cse16 (= ~a17~0 |old(~a17~0)|)) (.cse17 (= ~a14~0 |old(~a14~0)|)) (.cse18 (= ~a25~0 |old(~a25~0)|)) (.cse19 (= ~a23~0 |old(~a23~0)|)) (.cse20 (= ~a12~0 |old(~a12~0)|)) (.cse21 (= ~a15~0 |old(~a15~0)|)) (.cse22 (= ~a13~0 |old(~a13~0)|)) (.cse23 (= ~a24~0 |old(~a24~0)|)) (.cse24 (= ~a20~0 |old(~a20~0)|)) (.cse25 (= ~a22~0 |old(~a22~0)|)) (.cse26 (= ~a10~0 |old(~a10~0)|)) (.cse27 (= ~a27~0 |old(~a27~0)|))) (let ((.cse28 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse29 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a29~0 1) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27) (not (= |old(~a29~0)| 1)) (not (< 1 |old(~a11~0)|))) (or (not (<= |old(~a3~0)| 0)) .cse28) (or (and .cse0 .cse2 .cse3 .cse4 .cse29 (<= 1 ~a26~0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 (<= ~a26~0 1) .cse23 .cse24 .cse25 .cse26 .cse27) (not (<= |old(~a26~0)| 1)) (not (<= 1 |old(~a26~0)|))) (or .cse28 (not (= |old(~a12~0)| 1))) (or (not (= 2 |old(~a3~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse29 .cse5 .cse6 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (= 2 ~a3~0) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27)) (or .cse28 (not (<= |old(~a11~0)| 0))) (or .cse28 (not (= |old(~a6~0)| 0)))))) [2020-10-14 19:16:03,746 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2020-10-14 19:16:03,747 INFO L268 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,748 INFO L268 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,749 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,750 INFO L268 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,751 INFO L268 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,751 INFO L268 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,751 INFO L268 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2020-10-14 19:16:03,751 INFO L268 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2020-10-14 19:16:03,751 INFO L268 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,751 INFO L268 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,751 INFO L268 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,752 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1638) no Hoare annotation was computed. [2020-10-14 19:16:03,752 INFO L268 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,752 INFO L268 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,752 INFO L268 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,752 INFO L268 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,752 INFO L268 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,752 INFO L268 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2020-10-14 19:16:03,752 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2020-10-14 19:16:03,752 INFO L268 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,753 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2020-10-14 19:16:03,754 INFO L268 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,754 INFO L268 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2020-10-14 19:16:03,754 INFO L268 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2020-10-14 19:16:03,754 INFO L268 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2020-10-14 19:16:03,754 INFO L268 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,754 INFO L268 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,754 INFO L268 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,754 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2020-10-14 19:16:03,755 INFO L268 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2020-10-14 19:16:03,756 INFO L268 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2020-10-14 19:16:03,756 INFO L268 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,756 INFO L268 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,756 INFO L268 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,756 INFO L268 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,756 INFO L268 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,756 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,756 INFO L268 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,756 INFO L268 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,757 INFO L268 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2020-10-14 19:16:03,758 INFO L268 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2020-10-14 19:16:03,759 INFO L268 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,759 INFO L268 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,759 INFO L268 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,759 INFO L268 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,759 INFO L268 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,759 INFO L268 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2020-10-14 19:16:03,759 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2020-10-14 19:16:03,759 INFO L268 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,759 INFO L268 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,760 INFO L268 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,761 INFO L268 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,761 INFO L268 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,761 INFO L268 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,761 INFO L268 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,761 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,761 INFO L268 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2020-10-14 19:16:03,761 INFO L268 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2020-10-14 19:16:03,761 INFO L268 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,762 INFO L268 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,763 INFO L268 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:03,764 INFO L268 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,764 INFO L268 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2020-10-14 19:16:03,764 INFO L268 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2020-10-14 19:16:03,764 INFO L268 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,764 INFO L268 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2020-10-14 19:16:03,764 INFO L268 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2020-10-14 19:16:03,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:16:03,764 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a6~0 0) (<= ~a11~0 0) (= ~a29~0 1)) [2020-10-14 19:16:03,764 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:16:03,765 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:16:03,765 INFO L268 CegarLoopResult]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2020-10-14 19:16:03,765 INFO L268 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2020-10-14 19:16:03,765 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 1) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (= |old(~a29~0)| 1)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a6~0)| 0))) [2020-10-14 19:16:03,765 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 19:16:03,765 INFO L264 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (or (= ~a6~0 0) (= ~a12~0 1) (<= ~a11~0 0) (and (<= 1 ~a26~0) (<= ~a26~0 1)) (and (< 1 ~a11~0) (= ~a29~0 1)) (= 2 ~a3~0) (not (= |old(~a29~0)| 1)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a6~0)| 0)) (<= ~a3~0 0)) [2020-10-14 19:16:03,765 INFO L268 CegarLoopResult]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 19:16:03,766 INFO L264 CegarLoopResult]: At program point L1666(line 1666) the Hoare annotation is: (or (= ~a6~0 0) (= ~a12~0 1) (<= ~a11~0 0) (and (<= 1 ~a26~0) (<= ~a26~0 1)) (and (< 1 ~a11~0) (= ~a29~0 1)) (= 2 ~a3~0) (not (= |old(~a29~0)| 1)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a6~0)| 0)) (<= ~a3~0 0)) [2020-10-14 19:16:03,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:16:03 BoogieIcfgContainer [2020-10-14 19:16:03,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:16:03,796 INFO L168 Benchmark]: Toolchain (without parser) took 73003.44 ms. Allocated memory was 148.4 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 97.9 MB in the beginning and 966.6 MB in the end (delta: -868.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-14 19:16:03,797 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 121.7 MB in the beginning and 121.2 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 19:16:03,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1363.56 ms. Allocated memory was 148.4 MB in the beginning and 239.1 MB in the end (delta: 90.7 MB). Free memory was 97.9 MB in the beginning and 186.5 MB in the end (delta: -88.6 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2020-10-14 19:16:03,801 INFO L168 Benchmark]: Boogie Preprocessor took 209.90 ms. Allocated memory is still 239.1 MB. Free memory was 186.5 MB in the beginning and 174.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2020-10-14 19:16:03,802 INFO L168 Benchmark]: RCFGBuilder took 2095.49 ms. Allocated memory was 239.1 MB in the beginning and 263.7 MB in the end (delta: 24.6 MB). Free memory was 174.7 MB in the beginning and 195.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:16:03,806 INFO L168 Benchmark]: TraceAbstraction took 69329.29 ms. Allocated memory was 263.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 195.6 MB in the beginning and 966.6 MB in the end (delta: -771.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-14 19:16:03,810 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 148.4 MB. Free memory was 121.7 MB in the beginning and 121.2 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1363.56 ms. Allocated memory was 148.4 MB in the beginning and 239.1 MB in the end (delta: 90.7 MB). Free memory was 97.9 MB in the beginning and 186.5 MB in the end (delta: -88.6 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 209.90 ms. Allocated memory is still 239.1 MB. Free memory was 186.5 MB in the beginning and 174.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2095.49 ms. Allocated memory was 239.1 MB in the beginning and 263.7 MB in the end (delta: 24.6 MB). Free memory was 174.7 MB in the beginning and 195.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 69329.29 ms. Allocated memory was 263.7 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 195.6 MB in the beginning and 966.6 MB in the end (delta: -771.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1638]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((a6 == 0 || a12 == 1) || a11 <= 0) || (1 <= a26 && a26 <= 1)) || (1 < a11 && a29 == 1)) || 2 == a3) || !(\old(a29) == 1)) || !(\old(a11) <= 0)) || !(\old(a6) == 0)) || a3 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 63.2s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 24.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 368 SDtfs, 3245 SDslu, 447 SDs, 0 SdLazy, 10429 SolverSat, 1523 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 58 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15214occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 147 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 317 PreInvPairs, 589 NumberOfFragments, 986 HoareAnnotationTreeSize, 317 FomulaSimplifications, 242577 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 21177 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 35.1s InterpolantComputationTime, 1940 NumberOfCodeBlocks, 1940 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1932 ConstructedInterpolants, 0 QuantifiedInterpolants, 2130094 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 317/352 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...