/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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:13:38,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:13:38,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:13:38,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:13:38,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:13:38,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:13:38,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:13:38,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:13:38,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:13:38,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:13:38,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:13:38,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:13:38,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:13:38,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:13:38,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:13:38,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:13:38,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:13:38,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:13:38,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:13:38,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:13:38,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:13:38,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:13:38,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:13:38,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:13:38,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:13:38,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:13:38,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:13:38,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:13:38,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:13:38,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:13:38,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:13:38,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:13:38,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:13:38,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:13:38,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:13:38,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:13:38,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:13:38,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:13:38,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:13:38,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:13:38,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:13:38,422 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 19:13:38,466 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:13:38,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:13:38,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:13:38,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:13:38,469 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:13:38,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:13:38,469 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:13:38,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:13:38,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:13:38,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:13:38,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:13:38,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:13:38,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:13:38,472 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:13:38,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:13:38,472 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:13:38,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:13:38,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:13:38,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:13:38,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:13:38,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:13:38,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:13:38,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:13:38,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:13:38,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:13:38,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:13:38,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:13:38,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:13:38,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:13:38,475 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 19:13:38,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:13:38,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:13:38,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:13:38,785 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:13:38,785 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:13:38,786 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label36.c [2020-10-14 19:13:38,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0fd169805/b5f4471a528e4d72a83df1d196a7a885/FLAGa1ece6ded [2020-10-14 19:13:39,446 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:13:39,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label36.c [2020-10-14 19:13:39,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0fd169805/b5f4471a528e4d72a83df1d196a7a885/FLAGa1ece6ded [2020-10-14 19:13:39,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0fd169805/b5f4471a528e4d72a83df1d196a7a885 [2020-10-14 19:13:39,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:13:39,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:13:39,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:13:39,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:13:39,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:13:39,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:13:39" (1/1) ... [2020-10-14 19:13:39,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528baabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:39, skipping insertion in model container [2020-10-14 19:13:39,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:13:39" (1/1) ... [2020-10-14 19:13:39,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:13:39,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:13:40,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:13:40,612 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:13:41,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:13:41,093 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:13:41,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41 WrapperNode [2020-10-14 19:13:41,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:13:41,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:13:41,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:13:41,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:13:41,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41" (1/1) ... [2020-10-14 19:13:41,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41" (1/1) ... [2020-10-14 19:13:41,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41" (1/1) ... [2020-10-14 19:13:41,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41" (1/1) ... [2020-10-14 19:13:41,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41" (1/1) ... [2020-10-14 19:13:41,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41" (1/1) ... [2020-10-14 19:13:41,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41" (1/1) ... [2020-10-14 19:13:41,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:13:41,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:13:41,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:13:41,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:13:41,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41" (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 19:13:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:13:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:13:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:13:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:13:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:13:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:13:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:13:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:13:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:13:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:13:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:13:43,192 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:13:43,192 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:13:43,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:13:43 BoogieIcfgContainer [2020-10-14 19:13:43,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:13:43,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:13:43,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:13:43,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:13:43,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:13:39" (1/3) ... [2020-10-14 19:13:43,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626fd6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:13:43, skipping insertion in model container [2020-10-14 19:13:43,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:13:41" (2/3) ... [2020-10-14 19:13:43,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626fd6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:13:43, skipping insertion in model container [2020-10-14 19:13:43,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:13:43" (3/3) ... [2020-10-14 19:13:43,207 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label36.c [2020-10-14 19:13:43,217 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:13:43,225 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:13:43,239 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:13:43,265 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:13:43,265 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:13:43,265 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:13:43,265 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:13:43,265 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:13:43,265 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:13:43,266 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:13:43,266 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:13:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-10-14 19:13:43,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-14 19:13:43,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:13:43,308 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] [2020-10-14 19:13:43,308 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:13:43,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:13:43,314 INFO L82 PathProgramCache]: Analyzing trace with hash -938098264, now seen corresponding path program 1 times [2020-10-14 19:13:43,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:13:43,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448577430] [2020-10-14 19:13:43,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:13:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:13:43,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:44,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:48,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:13:48,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-14 19:13:48,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:13:48,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4582 [2020-10-14 19:13:48,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:13:48,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:13:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:13:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:13:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-14 19:13:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:13:48,611 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:13:48,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:13:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:13:48,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:48,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:13:48,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:13:48,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:13:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 19:13:48,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:13:48,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:13:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:13:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:13:48,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:13:48,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:13:48,716 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 19:13:48,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448577430] [2020-10-14 19:13:48,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:13:48,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:13:48,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980601032] [2020-10-14 19:13:48,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:13:48,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:13:48,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:13:48,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:13:48,744 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 4 states. [2020-10-14 19:13:48,923 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:13:51,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:13:51,535 INFO L93 Difference]: Finished difference Result 884 states and 1536 transitions. [2020-10-14 19:13:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:13:51,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 185 [2020-10-14 19:13:51,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:13:51,557 INFO L225 Difference]: With dead ends: 884 [2020-10-14 19:13:51,558 INFO L226 Difference]: Without dead ends: 480 [2020-10-14 19:13:51,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:13:51,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-14 19:13:51,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 475. [2020-10-14 19:13:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-14 19:13:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 728 transitions. [2020-10-14 19:13:51,650 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 728 transitions. Word has length 185 [2020-10-14 19:13:51,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:13:51,651 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 728 transitions. [2020-10-14 19:13:51,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:13:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 728 transitions. [2020-10-14 19:13:51,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-14 19:13:51,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:13:51,658 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] [2020-10-14 19:13:51,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:13:51,658 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:13:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:13:51,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1105348843, now seen corresponding path program 1 times [2020-10-14 19:13:51,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:13:51,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114761084] [2020-10-14 19:13:51,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:13:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:13:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:52,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:53,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:54,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:13:54,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-14 19:13:54,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:13:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2311 [2020-10-14 19:13:54,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:13:54,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:13:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:13:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 19:13:54,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-14 19:13:54,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:13:54,251 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:13:54,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:13:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:13:54,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:54,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:13:54,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:13:54,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:13:54,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:13:54,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:13:54,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:13:54,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:13:54,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:13:54,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:13:54,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:13:54,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:13:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:13:54,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:13:54,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:13:54,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:13:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 19:13:54,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:13:54,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:13:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:13:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:13:54,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 19:13:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:13:54,434 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 19:13:54,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114761084] [2020-10-14 19:13:54,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:13:54,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:13:54,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729441744] [2020-10-14 19:13:54,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:13:54,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:13:54,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:13:54,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:13:54,439 INFO L87 Difference]: Start difference. First operand 475 states and 728 transitions. Second operand 5 states. [2020-10-14 19:13:54,758 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:13:57,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:13:57,283 INFO L93 Difference]: Finished difference Result 1394 states and 2170 transitions. [2020-10-14 19:13:57,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:13:57,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2020-10-14 19:13:57,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:13:57,296 INFO L225 Difference]: With dead ends: 1394 [2020-10-14 19:13:57,296 INFO L226 Difference]: Without dead ends: 925 [2020-10-14 19:13:57,299 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 19:13:57,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-10-14 19:13:57,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 903. [2020-10-14 19:13:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2020-10-14 19:13:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1371 transitions. [2020-10-14 19:13:57,350 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1371 transitions. Word has length 194 [2020-10-14 19:13:57,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:13:57,351 INFO L479 AbstractCegarLoop]: Abstraction has 903 states and 1371 transitions. [2020-10-14 19:13:57,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:13:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1371 transitions. [2020-10-14 19:13:57,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-14 19:13:57,364 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:13:57,364 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 19:13:57,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:13:57,365 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:13:57,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:13:57,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1728889276, now seen corresponding path program 1 times [2020-10-14 19:13:57,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:13:57,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974643315] [2020-10-14 19:13:57,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:13:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:13:57,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:57,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:13:59,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:00,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:00,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-14 19:14:00,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:14:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3223 [2020-10-14 19:14:00,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:00,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:14:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 19:14:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-14 19:14:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:00,969 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:14:00,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:14:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:00,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:00,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:00,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:14:00,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:14:00,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:00,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:00,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:00,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:00,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:01,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:14:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:01,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:01,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:01,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:14:01,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:01,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 19:14:01,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:01,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:14:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 19:14:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:01,176 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:14:01,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974643315] [2020-10-14 19:14:01,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:14:01,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:14:01,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223441303] [2020-10-14 19:14:01,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:14:01,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:14:01,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:14:01,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:14:01,182 INFO L87 Difference]: Start difference. First operand 903 states and 1371 transitions. Second operand 5 states. [2020-10-14 19:14:01,580 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:14:04,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:14:04,124 INFO L93 Difference]: Finished difference Result 2661 states and 4113 transitions. [2020-10-14 19:14:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:14:04,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 197 [2020-10-14 19:14:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:14:04,139 INFO L225 Difference]: With dead ends: 2661 [2020-10-14 19:14:04,140 INFO L226 Difference]: Without dead ends: 1764 [2020-10-14 19:14:04,142 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 19:14:04,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2020-10-14 19:14:04,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1742. [2020-10-14 19:14:04,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1742 states. [2020-10-14 19:14:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2627 transitions. [2020-10-14 19:14:04,225 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2627 transitions. Word has length 197 [2020-10-14 19:14:04,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:14:04,231 INFO L479 AbstractCegarLoop]: Abstraction has 1742 states and 2627 transitions. [2020-10-14 19:14:04,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:14:04,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2627 transitions. [2020-10-14 19:14:04,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-14 19:14:04,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:14:04,239 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2020-10-14 19:14:04,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:14:04,240 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:14:04,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:14:04,240 INFO L82 PathProgramCache]: Analyzing trace with hash -180779685, now seen corresponding path program 1 times [2020-10-14 19:14:04,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:14:04,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818256427] [2020-10-14 19:14:04,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:14:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:04,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:04,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:04,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:06,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:08,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:09,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:09,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 19:14:09,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:14:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 19:14:09,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:09,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:14:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-14 19:14:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-14 19:14:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:09,481 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:14:09,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:14:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:09,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:09,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:09,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:14:09,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:14:09,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:09,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:09,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:09,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:14:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:09,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:09,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:09,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:14:09,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:09,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:14:09,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:09,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:09,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:09,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:09,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 19:14:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:09,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:09,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:09,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 19:14:09,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:09,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 19:14:09,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:09,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:14:09,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:09,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 19:14:09,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 19:14:09,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818256427] [2020-10-14 19:14:09,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:14:09,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:14:09,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110411696] [2020-10-14 19:14:09,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:14:09,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:14:09,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:14:09,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:14:09,734 INFO L87 Difference]: Start difference. First operand 1742 states and 2627 transitions. Second operand 5 states. [2020-10-14 19:14:09,874 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:14:12,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:14:12,163 INFO L93 Difference]: Finished difference Result 4323 states and 6671 transitions. [2020-10-14 19:14:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:14:12,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2020-10-14 19:14:12,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:14:12,177 INFO L225 Difference]: With dead ends: 4323 [2020-10-14 19:14:12,178 INFO L226 Difference]: Without dead ends: 2587 [2020-10-14 19:14:12,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:14:12,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2587 states. [2020-10-14 19:14:12,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2587 to 1734. [2020-10-14 19:14:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1734 states. [2020-10-14 19:14:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2615 transitions. [2020-10-14 19:14:12,245 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2615 transitions. Word has length 204 [2020-10-14 19:14:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:14:12,245 INFO L479 AbstractCegarLoop]: Abstraction has 1734 states and 2615 transitions. [2020-10-14 19:14:12,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:14:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2615 transitions. [2020-10-14 19:14:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-14 19:14:12,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:14:12,252 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:12,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:14:12,253 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:14:12,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:14:12,253 INFO L82 PathProgramCache]: Analyzing trace with hash -773390566, now seen corresponding path program 1 times [2020-10-14 19:14:12,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:14:12,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841892587] [2020-10-14 19:14:12,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:14:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:12,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:12,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:12,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:14,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:17,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:17,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-14 19:14:17,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:14:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 19:14:17,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:17,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:14:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 19:14:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-14 19:14:17,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:17,533 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:14:17,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:14:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:17,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:17,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:17,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:14:17,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:14:17,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:17,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:17,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:14:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:17,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:17,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:17,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:14:17,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:17,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:14:17,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:17,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:17,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:17,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:17,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 19:14:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:17,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:17,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:17,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 19:14:17,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:17,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-14 19:14:17,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:17,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:17,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:14:17,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 19:14:17,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 19:14:17,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841892587] [2020-10-14 19:14:17,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:14:17,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:14:17,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586518098] [2020-10-14 19:14:17,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:14:17,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:14:17,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:14:17,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:14:17,824 INFO L87 Difference]: Start difference. First operand 1734 states and 2615 transitions. Second operand 5 states. [2020-10-14 19:14:17,950 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:14:20,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:14:20,240 INFO L93 Difference]: Finished difference Result 5151 states and 7985 transitions. [2020-10-14 19:14:20,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:14:20,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-10-14 19:14:20,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:14:20,259 INFO L225 Difference]: With dead ends: 5151 [2020-10-14 19:14:20,259 INFO L226 Difference]: Without dead ends: 3423 [2020-10-14 19:14:20,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 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 19:14:20,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3423 states. [2020-10-14 19:14:20,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3423 to 3416. [2020-10-14 19:14:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3416 states. [2020-10-14 19:14:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 3416 states and 4992 transitions. [2020-10-14 19:14:20,367 INFO L78 Accepts]: Start accepts. Automaton has 3416 states and 4992 transitions. Word has length 232 [2020-10-14 19:14:20,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:14:20,368 INFO L479 AbstractCegarLoop]: Abstraction has 3416 states and 4992 transitions. [2020-10-14 19:14:20,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:14:20,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 4992 transitions. [2020-10-14 19:14:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-14 19:14:20,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:14:20,380 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, 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] [2020-10-14 19:14:20,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:14:20,380 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:14:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:14:20,381 INFO L82 PathProgramCache]: Analyzing trace with hash 277310617, now seen corresponding path program 1 times [2020-10-14 19:14:20,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:14:20,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431755481] [2020-10-14 19:14:20,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:14:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:20,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:20,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:21,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:21,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:22,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:23,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:24,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:25,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:25,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-14 19:14:25,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 19:14:25,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 19:14:25,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:25,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:25,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:14:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 19:14:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 19:14:25,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:25,713 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:14:25,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:14:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:25,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:25,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:25,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:14:25,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:25,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:14:25,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:25,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:25,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:25,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:25,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:25,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:25,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:14:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:25,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:25,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:25,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:14:25,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:25,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:14:25,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:25,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:25,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:14:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:25,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:25,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:25,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 19:14:25,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:25,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 19:14:25,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:25,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:14:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:25,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 19:14:25,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 19:14:26,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431755481] [2020-10-14 19:14:26,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:14:26,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:14:26,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765797767] [2020-10-14 19:14:26,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:14:26,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:14:26,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:14:26,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:14:26,067 INFO L87 Difference]: Start difference. First operand 3416 states and 4992 transitions. Second operand 5 states. [2020-10-14 19:14:26,334 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:14:28,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:14:28,867 INFO L93 Difference]: Finished difference Result 10185 states and 15317 transitions. [2020-10-14 19:14:28,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:14:28,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 240 [2020-10-14 19:14:28,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:14:28,900 INFO L225 Difference]: With dead ends: 10185 [2020-10-14 19:14:28,901 INFO L226 Difference]: Without dead ends: 6775 [2020-10-14 19:14:28,910 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 19:14:28,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6775 states. [2020-10-14 19:14:29,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6775 to 6763. [2020-10-14 19:14:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6763 states. [2020-10-14 19:14:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6763 states to 6763 states and 9833 transitions. [2020-10-14 19:14:29,118 INFO L78 Accepts]: Start accepts. Automaton has 6763 states and 9833 transitions. Word has length 240 [2020-10-14 19:14:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:14:29,119 INFO L479 AbstractCegarLoop]: Abstraction has 6763 states and 9833 transitions. [2020-10-14 19:14:29,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:14:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 6763 states and 9833 transitions. [2020-10-14 19:14:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-14 19:14:29,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:14:29,147 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:14:29,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:14:29,147 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:14:29,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:14:29,148 INFO L82 PathProgramCache]: Analyzing trace with hash -512968179, now seen corresponding path program 1 times [2020-10-14 19:14:29,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:14:29,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9425616] [2020-10-14 19:14:29,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:14:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:29,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:29,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:29,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:31,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:34,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:34,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-14 19:14:34,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:14:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 19:14:34,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:34,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:14:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 19:14:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 247 [2020-10-14 19:14:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:34,485 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:14:34,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:14:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:34,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:34,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:34,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:14:34,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:34,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:14:34,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:34,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:34,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:34,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:34,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:34,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:34,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:14:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:34,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:34,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:34,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:14:34,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:34,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:14:34,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:34,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:14:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 19:14:34,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:34,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:14:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:34,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:34,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:34,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:34,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 19:14:34,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:14:34,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-14 19:14:34,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:34,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:34,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:14:34,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:14:34,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 19:14:34,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:35,070 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 19:14:35,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9425616] [2020-10-14 19:14:35,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:14:35,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:14:35,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756704233] [2020-10-14 19:14:35,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:14:35,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:14:35,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:14:35,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:14:35,073 INFO L87 Difference]: Start difference. First operand 6763 states and 9833 transitions. Second operand 7 states. [2020-10-14 19:14:35,321 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:14:35,783 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:14:39,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:14:39,522 INFO L93 Difference]: Finished difference Result 24414 states and 40032 transitions. [2020-10-14 19:14:39,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 19:14:39,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 258 [2020-10-14 19:14:39,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:14:39,648 INFO L225 Difference]: With dead ends: 24414 [2020-10-14 19:14:39,648 INFO L226 Difference]: Without dead ends: 12229 [2020-10-14 19:14:39,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:14:39,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12229 states. [2020-10-14 19:14:40,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12229 to 12162. [2020-10-14 19:14:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12162 states. [2020-10-14 19:14:40,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12162 states to 12162 states and 17071 transitions. [2020-10-14 19:14:40,259 INFO L78 Accepts]: Start accepts. Automaton has 12162 states and 17071 transitions. Word has length 258 [2020-10-14 19:14:40,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:14:40,260 INFO L479 AbstractCegarLoop]: Abstraction has 12162 states and 17071 transitions. [2020-10-14 19:14:40,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:14:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 12162 states and 17071 transitions. [2020-10-14 19:14:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-14 19:14:40,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:14:40,312 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:14:40,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 19:14:40,313 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:14:40,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:14:40,313 INFO L82 PathProgramCache]: Analyzing trace with hash -9509597, now seen corresponding path program 1 times [2020-10-14 19:14:40,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:14:40,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379756809] [2020-10-14 19:14:40,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:14:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:40,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:40,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:40,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:43,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:44,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:45,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:45,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-14 19:14:45,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:14:45,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-14 19:14:45,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:45,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:45,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:14:45,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 19:14:45,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 19:14:45,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:45,592 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:14:45,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:14:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:45,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:45,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:45,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:14:45,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:45,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:14:45,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:45,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:45,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:45,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:14:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:45,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:45,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:14:45,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:45,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 19:14:45,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:45,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:14:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:45,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 19:14:45,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:45,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:14:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:45,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:45,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:45,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:45,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:14:45,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:14:45,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 19:14:45,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:45,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:14:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:14:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 19:14:45,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:45,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 19:14:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:45,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:45,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:45,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 19:14:45,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:45,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-14 19:14:45,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:45,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:45,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:14:45,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:14:45,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 19:14:45,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:14:46,227 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 19:14:46,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379756809] [2020-10-14 19:14:46,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:14:46,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 19:14:46,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491179592] [2020-10-14 19:14:46,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 19:14:46,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:14:46,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 19:14:46,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:14:46,230 INFO L87 Difference]: Start difference. First operand 12162 states and 17071 transitions. Second operand 8 states. [2020-10-14 19:14:46,489 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:14:47,741 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 19:14:49,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:14:49,313 INFO L93 Difference]: Finished difference Result 24881 states and 38802 transitions. [2020-10-14 19:14:49,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:14:49,314 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 282 [2020-10-14 19:14:49,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:14:49,406 INFO L225 Difference]: With dead ends: 24881 [2020-10-14 19:14:49,407 INFO L226 Difference]: Without dead ends: 12725 [2020-10-14 19:14:49,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-14 19:14:49,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12725 states. [2020-10-14 19:14:49,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12725 to 12218. [2020-10-14 19:14:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12218 states. [2020-10-14 19:14:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12218 states to 12218 states and 16359 transitions. [2020-10-14 19:14:49,912 INFO L78 Accepts]: Start accepts. Automaton has 12218 states and 16359 transitions. Word has length 282 [2020-10-14 19:14:49,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:14:49,913 INFO L479 AbstractCegarLoop]: Abstraction has 12218 states and 16359 transitions. [2020-10-14 19:14:49,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 19:14:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 12218 states and 16359 transitions. [2020-10-14 19:14:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-14 19:14:49,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:14:49,960 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:14:49,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 19:14:49,961 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:14:49,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:14:49,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1591609606, now seen corresponding path program 1 times [2020-10-14 19:14:49,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:14:49,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177919537] [2020-10-14 19:14:49,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:14:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:50,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:50,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:50,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:50,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:52,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:55,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:55,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-14 19:14:55,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:14:55,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 19:14:55,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:55,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:14:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-14 19:14:55,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-14 19:14:55,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:55,170 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:14:55,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:14:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:55,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:55,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:55,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:14:55,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:55,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:14:55,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:55,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:55,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:55,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:14:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:55,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:55,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:55,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:14:55,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:55,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:14:55,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:55,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:55,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:55,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:55,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:14:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:55,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:55,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:55,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:14:55,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:55,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:14:55,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:55,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:14:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:14:55,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:55,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 19:14:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:55,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:55,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:55,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 19:14:55,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:55,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:14:55,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:55,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:14:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:14:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 19:14:55,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:55,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 19:14:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:55,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:55,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:14:55,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 19:14:55,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:14:55,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 19:14:55,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:14:55,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:14:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:14:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:14:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 19:14:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:14:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-14 19:14:55,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177919537] [2020-10-14 19:14:55,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:14:55,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:14:55,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043734942] [2020-10-14 19:14:55,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:14:55,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:14:55,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:14:55,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:14:55,516 INFO L87 Difference]: Start difference. First operand 12218 states and 16359 transitions. Second operand 7 states. [2020-10-14 19:14:55,658 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:14:58,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:14:58,546 INFO L93 Difference]: Finished difference Result 34753 states and 46312 transitions. [2020-10-14 19:14:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 19:14:58,546 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2020-10-14 19:14:58,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:14:58,612 INFO L225 Difference]: With dead ends: 34753 [2020-10-14 19:14:58,612 INFO L226 Difference]: Without dead ends: 22601 [2020-10-14 19:14:58,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:14:58,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22601 states. [2020-10-14 19:14:59,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22601 to 22595. [2020-10-14 19:14:59,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22595 states. [2020-10-14 19:14:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 30214 transitions. [2020-10-14 19:14:59,190 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 30214 transitions. Word has length 292 [2020-10-14 19:14:59,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:14:59,191 INFO L479 AbstractCegarLoop]: Abstraction has 22595 states and 30214 transitions. [2020-10-14 19:14:59,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:14:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 30214 transitions. [2020-10-14 19:14:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-14 19:14:59,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:14:59,249 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:14:59,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 19:14:59,249 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:14:59,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:14:59,250 INFO L82 PathProgramCache]: Analyzing trace with hash 396780009, now seen corresponding path program 1 times [2020-10-14 19:14:59,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:14:59,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283994552] [2020-10-14 19:14:59,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:14:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:14:59,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:59,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:59,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:59,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:59,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:14:59,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:04,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:04,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 19:15:04,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:15:04,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 19:15:04,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:04,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 19:15:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 19:15:04,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:04,488 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:04,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:04,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:04,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:04,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:04,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:04,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:15:04,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:04,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:04,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:04,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:04,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:04,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:04,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:04,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:04,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:04,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:15:04,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:04,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:15:04,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:04,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:04,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:04,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:04,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:04,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:04,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:15:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:04,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:04,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:04,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:15:04,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:04,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:15:04,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:04,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:04,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:04,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:04,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:04,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:04,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 19:15:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:04,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:04,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:04,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 19:15:04,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:04,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:15:04,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:04,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:04,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:04,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 19:15:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:04,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:04,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:04,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 19:15:04,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 19:15:04,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:04,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 19:15:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:04,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 19:15:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:04,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:04,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:04,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 19:15:04,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:04,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 19:15:04,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:04,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 19:15:04,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-14 19:15:04,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283994552] [2020-10-14 19:15:04,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:04,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:15:04,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423755537] [2020-10-14 19:15:04,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:15:04,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:04,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:15:04,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:15:04,942 INFO L87 Difference]: Start difference. First operand 22595 states and 30214 transitions. Second operand 7 states. [2020-10-14 19:15:05,082 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:08,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:08,062 INFO L93 Difference]: Finished difference Result 65318 states and 87460 transitions. [2020-10-14 19:15:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:15:08,063 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 315 [2020-10-14 19:15:08,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:08,205 INFO L225 Difference]: With dead ends: 65318 [2020-10-14 19:15:08,206 INFO L226 Difference]: Without dead ends: 42789 [2020-10-14 19:15:08,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:15:08,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42789 states. [2020-10-14 19:15:09,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42789 to 42785. [2020-10-14 19:15:09,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42785 states. [2020-10-14 19:15:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42785 states to 42785 states and 57537 transitions. [2020-10-14 19:15:09,544 INFO L78 Accepts]: Start accepts. Automaton has 42785 states and 57537 transitions. Word has length 315 [2020-10-14 19:15:09,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:09,545 INFO L479 AbstractCegarLoop]: Abstraction has 42785 states and 57537 transitions. [2020-10-14 19:15:09,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:15:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 42785 states and 57537 transitions. [2020-10-14 19:15:09,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-14 19:15:09,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:09,623 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:15:09,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 19:15:09,623 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:09,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:09,624 INFO L82 PathProgramCache]: Analyzing trace with hash -613453136, now seen corresponding path program 1 times [2020-10-14 19:15:09,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:09,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298846850] [2020-10-14 19:15:09,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:09,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:09,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:09,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:10,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:14,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:14,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:14,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-10-14 19:15:14,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:15:14,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 19:15:14,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:14,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:15:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 19:15:14,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-14 19:15:14,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:14,882 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:14,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:14,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:14,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:14,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:14,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:14,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:15:14,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:14,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:14,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:14,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:14,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:14,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:14,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:14,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:15:14,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:14,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:15:14,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:14,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:14,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:14,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:14,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:14,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:15:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:14,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:14,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:14,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:15:14,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:14,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:15:14,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:14,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:14,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:14,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 19:15:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:15,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:15,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:15,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:15:15,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 19:15:15,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:15,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 19:15:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:15,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 19:15:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:15,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:15,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:15,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:15:15,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:15,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 19:15:15,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:15,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:15,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 19:15:15,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:15,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 19:15:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:15,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:15,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 19:15:15,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:15,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 19:15:15,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:15,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 19:15:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 274 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-14 19:15:15,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298846850] [2020-10-14 19:15:15,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:15,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 19:15:15,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903388382] [2020-10-14 19:15:15,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 19:15:15,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:15,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 19:15:15,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:15:15,345 INFO L87 Difference]: Start difference. First operand 42785 states and 57537 transitions. Second operand 9 states. [2020-10-14 19:15:15,479 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:17,639 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:18,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:18,650 INFO L93 Difference]: Finished difference Result 85971 states and 118876 transitions. [2020-10-14 19:15:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:15:18,650 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 340 [2020-10-14 19:15:18,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:18,841 INFO L225 Difference]: With dead ends: 85971 [2020-10-14 19:15:18,841 INFO L226 Difference]: Without dead ends: 43192 [2020-10-14 19:15:18,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-10-14 19:15:18,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43192 states. [2020-10-14 19:15:19,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43192 to 40837. [2020-10-14 19:15:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40837 states. [2020-10-14 19:15:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40837 states to 40837 states and 53380 transitions. [2020-10-14 19:15:19,840 INFO L78 Accepts]: Start accepts. Automaton has 40837 states and 53380 transitions. Word has length 340 [2020-10-14 19:15:19,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:19,840 INFO L479 AbstractCegarLoop]: Abstraction has 40837 states and 53380 transitions. [2020-10-14 19:15:19,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 19:15:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 40837 states and 53380 transitions. [2020-10-14 19:15:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2020-10-14 19:15:19,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:19,903 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:15:19,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 19:15:19,903 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:19,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:19,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1880747086, now seen corresponding path program 1 times [2020-10-14 19:15:19,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:19,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159630170] [2020-10-14 19:15:19,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:19,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:20,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:20,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:20,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:20,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:20,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:20,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:24,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:24,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 405 [2020-10-14 19:15:24,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 19:15:24,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 19:15:24,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:24,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-14 19:15:24,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 19:15:24,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:25,171 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:25,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:25,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:25,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:25,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:25,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:15:25,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:25,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:25,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:25,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:25,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:25,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:25,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:25,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:25,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:25,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:15:25,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:15:25,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:25,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:25,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:25,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:15:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:25,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:25,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:25,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:15:25,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:25,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 19:15:25,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:25,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:25,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 19:15:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:25,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:25,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:25,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:15:25,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:25,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 19:15:25,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:25,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:25,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 19:15:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:25,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:25,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:25,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:15:25,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:25,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 19:15:25,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:25,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:25,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:25,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 19:15:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:25,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:25,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:25,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:15:25,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:25,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 19:15:25,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:25,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:25,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:25,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:25,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 19:15:25,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:25,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-14 19:15:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:25,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:25,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:25,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 19:15:25,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-14 19:15:25,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:25,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 19:15:25,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-10-14 19:15:26,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159630170] [2020-10-14 19:15:26,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:26,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:15:26,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699971095] [2020-10-14 19:15:26,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:15:26,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:26,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:15:26,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:15:26,009 INFO L87 Difference]: Start difference. First operand 40837 states and 53380 transitions. Second operand 7 states. [2020-10-14 19:15:26,144 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 19:15:27,190 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:29,058 INFO L93 Difference]: Finished difference Result 112410 states and 147044 transitions. [2020-10-14 19:15:29,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 19:15:29,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 385 [2020-10-14 19:15:29,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:29,298 INFO L225 Difference]: With dead ends: 112410 [2020-10-14 19:15:29,298 INFO L226 Difference]: Without dead ends: 71683 [2020-10-14 19:15:29,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 19:15:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71683 states. [2020-10-14 19:15:32,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71683 to 71021. [2020-10-14 19:15:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71021 states. [2020-10-14 19:15:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71021 states to 71021 states and 92808 transitions. [2020-10-14 19:15:32,922 INFO L78 Accepts]: Start accepts. Automaton has 71021 states and 92808 transitions. Word has length 385 [2020-10-14 19:15:32,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:32,923 INFO L479 AbstractCegarLoop]: Abstraction has 71021 states and 92808 transitions. [2020-10-14 19:15:32,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:15:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 71021 states and 92808 transitions. [2020-10-14 19:15:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2020-10-14 19:15:33,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:33,106 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:15:33,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 19:15:33,107 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:33,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:33,107 INFO L82 PathProgramCache]: Analyzing trace with hash -317044038, now seen corresponding path program 1 times [2020-10-14 19:15:33,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:33,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2036158124] [2020-10-14 19:15:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:33,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:33,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:33,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:33,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:34,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:34,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:38,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:38,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 510 [2020-10-14 19:15:38,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:15:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 19:15:38,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:38,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:38,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 19:15:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 19:15:38,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:38,425 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:38,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:38,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:38,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:38,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:38,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:38,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:15:38,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:38,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:38,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:38,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:38,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:38,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:38,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 19:15:38,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:38,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:15:38,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:38,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:38,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:38,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:38,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 19:15:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:38,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:38,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:38,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:15:38,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:38,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 19:15:38,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:38,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:38,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:38,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:38,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:38,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:38,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 19:15:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:38,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:38,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:38,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 19:15:38,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:38,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 19:15:38,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:38,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:38,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:38,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:38,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 19:15:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:38,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:38,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:38,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 19:15:38,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:38,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 19:15:38,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:38,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:38,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:38,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:38,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 19:15:38,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:38,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 19:15:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:38,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:38,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:38,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 19:15:38,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:38,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-14 19:15:38,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:38,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 19:15:38,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:39,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-14 19:15:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:39,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:39,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:39,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 19:15:39,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:39,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 19:15:39,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:39,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 19:15:39,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:39,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 399 proven. 60 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2020-10-14 19:15:39,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2036158124] [2020-10-14 19:15:39,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:39,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:15:39,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263406600] [2020-10-14 19:15:39,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:15:39,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:39,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:15:39,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:15:39,446 INFO L87 Difference]: Start difference. First operand 71021 states and 92808 transitions. Second operand 7 states. [2020-10-14 19:15:39,590 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 19:15:41,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:41,652 INFO L93 Difference]: Finished difference Result 123621 states and 162139 transitions. [2020-10-14 19:15:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:15:41,653 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 490 [2020-10-14 19:15:41,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:41,756 INFO L225 Difference]: With dead ends: 123621 [2020-10-14 19:15:41,757 INFO L226 Difference]: Without dead ends: 52606 [2020-10-14 19:15:41,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:15:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52606 states. [2020-10-14 19:15:42,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52606 to 52588. [2020-10-14 19:15:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52588 states. [2020-10-14 19:15:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52588 states to 52588 states and 67015 transitions. [2020-10-14 19:15:42,733 INFO L78 Accepts]: Start accepts. Automaton has 52588 states and 67015 transitions. Word has length 490 [2020-10-14 19:15:42,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:42,734 INFO L479 AbstractCegarLoop]: Abstraction has 52588 states and 67015 transitions. [2020-10-14 19:15:42,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:15:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 52588 states and 67015 transitions. [2020-10-14 19:15:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2020-10-14 19:15:42,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:42,807 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:15:42,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 19:15:42,807 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:42,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:42,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1318371664, now seen corresponding path program 1 times [2020-10-14 19:15:42,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:42,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703059126] [2020-10-14 19:15:42,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:42,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:43,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:43,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:43,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:44,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:47,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:47,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:47,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 543 [2020-10-14 19:15:47,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 19:15:47,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-14 19:15:47,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:47,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:15:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 19:15:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 261 [2020-10-14 19:15:47,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:48,127 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:48,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:48,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:48,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:48,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:48,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:48,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:15:48,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:48,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:48,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:48,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:48,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:48,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:48,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:48,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 19:15:48,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:48,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 19:15:48,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:48,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:48,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:48,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:48,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 19:15:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:48,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:48,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:48,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 19:15:48,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:48,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 19:15:48,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:48,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:48,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:48,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:48,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:48,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 19:15:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:48,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 19:15:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 19:15:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:48,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 19:15:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:48,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 19:15:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:48,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:48,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:48,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 19:15:48,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:48,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-14 19:15:48,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:48,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 19:15:48,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:48,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-14 19:15:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:48,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:48,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:48,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:48,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 19:15:48,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:15:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-14 19:15:48,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:48,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 19:15:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:48,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-10-14 19:15:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:48,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:49,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:49,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 19:15:49,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:49,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 19:15:49,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:49,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:15:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:15:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 19:15:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:15:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 619 proven. 81 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2020-10-14 19:15:49,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703059126] [2020-10-14 19:15:49,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:15:49,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 19:15:49,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789575081] [2020-10-14 19:15:49,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 19:15:49,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:15:49,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 19:15:49,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 19:15:49,552 INFO L87 Difference]: Start difference. First operand 52588 states and 67015 transitions. Second operand 9 states. [2020-10-14 19:15:49,686 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:50,556 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:15:52,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:15:52,667 INFO L93 Difference]: Finished difference Result 117809 states and 152980 transitions. [2020-10-14 19:15:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 19:15:52,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 523 [2020-10-14 19:15:52,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:15:52,803 INFO L225 Difference]: With dead ends: 117809 [2020-10-14 19:15:52,803 INFO L226 Difference]: Without dead ends: 65279 [2020-10-14 19:15:52,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-14 19:15:52,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65279 states. [2020-10-14 19:15:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65279 to 63484. [2020-10-14 19:15:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63484 states. [2020-10-14 19:15:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63484 states to 63484 states and 77270 transitions. [2020-10-14 19:15:53,841 INFO L78 Accepts]: Start accepts. Automaton has 63484 states and 77270 transitions. Word has length 523 [2020-10-14 19:15:53,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:15:53,842 INFO L479 AbstractCegarLoop]: Abstraction has 63484 states and 77270 transitions. [2020-10-14 19:15:53,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 19:15:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 63484 states and 77270 transitions. [2020-10-14 19:15:53,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2020-10-14 19:15:53,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:15:53,945 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 19:15:53,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 19:15:53,946 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:15:53,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:15:53,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1372624653, now seen corresponding path program 1 times [2020-10-14 19:15:53,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:15:53,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253205876] [2020-10-14 19:15:53,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:15:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:54,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:54,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:54,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:54,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:55,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:55,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:57,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:59,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:59,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 638 [2020-10-14 19:15:59,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 19:15:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 19:15:59,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:59,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:59,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:15:59,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-10-14 19:15:59,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-14 19:15:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:59,280 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:15:59,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:15:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:59,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:59,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:59,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:15:59,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:59,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:15:59,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:59,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:59,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:59,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:59,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:59,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:59,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:15:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:59,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:59,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:59,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-14 19:15:59,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 19:15:59,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:59,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:59,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 19:15:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:59,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:59,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:59,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 19:15:59,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:59,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 19:15:59,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:59,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:59,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:59,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:59,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:59,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 19:15:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:59,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:59,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:59,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 19:15:59,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:59,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 19:15:59,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:59,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:59,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:15:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:59,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:15:59,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:59,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 19:15:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:59,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:59,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:59,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 19:15:59,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:15:59,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 19:15:59,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:59,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:59,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 19:15:59,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:59,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-14 19:15:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:59,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:59,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:15:59,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:15:59,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 19:15:59,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:15:59,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-14 19:15:59,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:15:59,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:15:59,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:15:59,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:15:59,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 19:15:59,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:15:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2020-10-14 19:15:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:15:59,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:16:00,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:16:00,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 19:16:00,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:16:00,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-14 19:16:00,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:16:00,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:16:00,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:16:00,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:16:00,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-14 19:16:00,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:16:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 707 proven. 6 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2020-10-14 19:16:00,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253205876] [2020-10-14 19:16:00,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:16:00,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 19:16:00,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205668407] [2020-10-14 19:16:00,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 19:16:00,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:16:00,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 19:16:00,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:16:00,318 INFO L87 Difference]: Start difference. First operand 63484 states and 77270 transitions. Second operand 8 states. [2020-10-14 19:16:00,472 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-14 19:16:01,279 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 19:16:01,400 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 19:16:03,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:16:03,988 INFO L93 Difference]: Finished difference Result 135185 states and 164334 transitions. [2020-10-14 19:16:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 19:16:03,989 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 618 [2020-10-14 19:16:03,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:16:03,989 INFO L225 Difference]: With dead ends: 135185 [2020-10-14 19:16:03,989 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:16:04,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 19:16:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:16:04,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:16:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:16:04,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:16:04,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 618 [2020-10-14 19:16:04,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:16:04,116 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:16:04,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 19:16:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:16:04,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:16:04,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 19:16:04,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:16:08,722 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 140 [2020-10-14 19:16:15,444 WARN L193 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 1188 DAG size of output: 586 [2020-10-14 19:16:19,630 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 1188 DAG size of output: 586 [2020-10-14 19:16:19,928 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 109 [2020-10-14 19:16:33,761 WARN L193 SmtUtils]: Spent 13.72 s on a formula simplification. DAG size of input: 1060 DAG size of output: 116 [2020-10-14 19:16:33,873 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 19:16:38,454 WARN L193 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 536 DAG size of output: 77 [2020-10-14 19:16:43,007 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 536 DAG size of output: 77 [2020-10-14 19:16:43,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:16:43,012 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 19:16:43,013 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:16:43,013 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-14 19:16:43,013 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-10-14 19:16:43,013 INFO L268 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,014 INFO L268 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,014 INFO L268 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,014 INFO L268 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,014 INFO L268 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,014 INFO L268 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,014 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,014 INFO L268 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2020-10-14 19:16:43,015 INFO L268 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,015 INFO L268 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2020-10-14 19:16:43,015 INFO L268 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2020-10-14 19:16:43,015 INFO L268 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,015 INFO L268 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,015 INFO L268 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,015 INFO L268 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,015 INFO L268 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 19:16:43,015 INFO L268 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 19:16:43,017 INFO L268 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,017 INFO L268 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2020-10-14 19:16:43,018 INFO L268 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2020-10-14 19:16:43,019 INFO L268 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2020-10-14 19:16:43,020 INFO L268 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 19:16:43,021 INFO L268 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,022 INFO L268 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,022 INFO L268 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,024 INFO L268 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,024 INFO L268 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,024 INFO L268 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,024 INFO L268 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,024 INFO L268 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2020-10-14 19:16:43,024 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2020-10-14 19:16:43,024 INFO L268 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2020-10-14 19:16:43,024 INFO L268 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2020-10-14 19:16:43,024 INFO L268 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2020-10-14 19:16:43,025 INFO L268 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,025 INFO L268 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,025 INFO L268 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,025 INFO L268 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,025 INFO L268 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,025 INFO L268 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,025 INFO L268 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,025 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,025 INFO L268 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,026 INFO L268 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,026 INFO L268 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,026 INFO L268 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2020-10-14 19:16:43,026 INFO L268 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2020-10-14 19:16:43,026 INFO L268 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2020-10-14 19:16:43,026 INFO L268 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,026 INFO L268 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,026 INFO L268 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,026 INFO L268 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,027 INFO L268 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,027 INFO L268 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,027 INFO L268 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,027 INFO L268 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,027 INFO L268 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,027 INFO L268 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2020-10-14 19:16:43,027 INFO L268 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2020-10-14 19:16:43,027 INFO L268 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2020-10-14 19:16:43,028 INFO L268 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2020-10-14 19:16:43,028 INFO L268 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2020-10-14 19:16:43,028 INFO L268 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,028 INFO L268 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2020-10-14 19:16:43,029 INFO L268 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,030 INFO L268 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,030 INFO L268 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,030 INFO L268 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2020-10-14 19:16:43,030 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2020-10-14 19:16:43,030 INFO L268 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,030 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a6~0 |old(~a6~0)|)) (.cse4 (= ~a8~0 |old(~a8~0)|)) (.cse5 (= ~a29~0 |old(~a29~0)|)) (.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse8 (= ~a3~0 |old(~a3~0)|)) (.cse9 (= ~a0~0 |old(~a0~0)|)) (.cse10 (= ~a9~0 |old(~a9~0)|)) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= ~a11~0 |old(~a11~0)|)) (.cse13 (= ~a5~0 |old(~a5~0)|)) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a4~0 |old(~a4~0)|)) (.cse16 (= ~a2~0 |old(~a2~0)|)) (.cse17 (= ~a17~0 |old(~a17~0)|)) (.cse18 (= ~a14~0 |old(~a14~0)|)) (.cse19 (= ~a25~0 |old(~a25~0)|)) (.cse20 (= ~a23~0 |old(~a23~0)|)) (.cse21 (= ~a12~0 |old(~a12~0)|)) (.cse22 (= ~a15~0 |old(~a15~0)|)) (.cse23 (= ~a13~0 |old(~a13~0)|)) (.cse24 (= ~a24~0 |old(~a24~0)|)) (.cse25 (= ~a20~0 |old(~a20~0)|)) (.cse26 (= ~a22~0 |old(~a22~0)|)) (.cse27 (= ~a10~0 |old(~a10~0)|)) (.cse28 (= ~a27~0 |old(~a27~0)|))) (let ((.cse0 (and .cse1 (= ~a26~0 |old(~a26~0)|) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28))) (and (or .cse0 (not (= 2 |old(~a3~0)|))) (or .cse0 (not (<= |old(~a6~0)| 0))) (or (not (<= |old(~a3~0)| 0)) .cse0) (or (not (= 0 |old(~a27~0)|)) .cse0) (or .cse0 (not (<= |old(~a12~0)| 1)) (not (<= 1 |old(~a12~0)|))) (or (not (= |old(~a26~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (= ~a26~0 1) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28)) (or .cse0 (= |old(~a11~0)| 1))))) [2020-10-14 19:16:43,030 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,031 INFO L268 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,031 INFO L268 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2020-10-14 19:16:43,031 INFO L268 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,031 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2020-10-14 19:16:43,031 INFO L268 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,031 INFO L268 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2020-10-14 19:16:43,031 INFO L268 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,031 INFO L268 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,032 INFO L268 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 19:16:43,032 INFO L268 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 19:16:43,032 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 19:16:43,032 INFO L268 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,033 INFO L268 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,034 INFO L268 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,035 INFO L268 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,036 INFO L268 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,036 INFO L268 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2020-10-14 19:16:43,036 INFO L268 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2020-10-14 19:16:43,036 INFO L268 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,036 INFO L268 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1572) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2020-10-14 19:16:43,037 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,038 INFO L268 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,038 INFO L268 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,038 INFO L268 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,038 INFO L268 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,038 INFO L268 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,038 INFO L268 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,038 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2020-10-14 19:16:43,038 INFO L268 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,038 INFO L268 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2020-10-14 19:16:43,039 INFO L268 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2020-10-14 19:16:43,039 INFO L268 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2020-10-14 19:16:43,039 INFO L268 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,039 INFO L268 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,039 INFO L268 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,039 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,039 INFO L268 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,039 INFO L268 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,040 INFO L268 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,040 INFO L268 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,040 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 19:16:43,040 INFO L268 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 19:16:43,040 INFO L268 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,040 INFO L268 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,040 INFO L268 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2020-10-14 19:16:43,040 INFO L268 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2020-10-14 19:16:43,040 INFO L268 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,041 INFO L268 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,042 INFO L268 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,043 INFO L268 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,044 INFO L268 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2020-10-14 19:16:43,044 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2020-10-14 19:16:43,044 INFO L268 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,044 INFO L268 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,044 INFO L268 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,044 INFO L268 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2020-10-14 19:16:43,044 INFO L268 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2020-10-14 19:16:43,044 INFO L268 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,045 INFO L268 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,046 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,046 INFO L268 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2020-10-14 19:16:43,046 INFO L268 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2020-10-14 19:16:43,046 INFO L268 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2020-10-14 19:16:43,046 INFO L268 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,046 INFO L268 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 19:16:43,046 INFO L268 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 19:16:43,046 INFO L268 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,046 INFO L268 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 19:16:43,047 INFO L268 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,048 INFO L268 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2020-10-14 19:16:43,048 INFO L268 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2020-10-14 19:16:43,048 INFO L268 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,048 INFO L268 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2020-10-14 19:16:43,048 INFO L268 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2020-10-14 19:16:43,048 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:16:43,048 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~a5~0) (<= ~a12~0 0) (<= ~a5~0 1) (= ~a0~0 1) (= ~a11~0 0) (= ~a11~0 ~a19~0) (= ~a4~0 1) (<= ~a6~0 0) (= ~a3~0 1)) [2020-10-14 19:16:43,048 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:16:43,048 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:16:43,048 INFO L268 CegarLoopResult]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2020-10-14 19:16:43,048 INFO L268 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2020-10-14 19:16:43,049 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a12~0)| 0)) (not (= 0 |old(~a11~0)|)) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (<= |old(~a5~0)| 1)) (not (= |old(~a0~0)| 1)) (not (= |old(~a3~0)| 1)) (not (<= 1 |old(~a5~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a0~0 1) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~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)|) (= ~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)|) (= ~a4~0 1) (= ~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(~a6~0)| 0))) [2020-10-14 19:16:43,049 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 19:16:43,049 INFO L264 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse13 (= ~a11~0 1))) (let ((.cse4 (= ~a0~0 1)) (.cse5 (<= ~a3~0 0)) (.cse12 (<= 1 ~a12~0)) (.cse11 (= ~a4~0 1)) (.cse6 (<= ~a12~0 0)) (.cse10 (= ~a3~0 1)) (.cse0 (<= 1 ~a5~0)) (.cse1 (<= ~a5~0 1)) (.cse2 (<= ~a12~0 1)) (.cse3 (= ~a26~0 1)) (.cse8 (<= ~a6~0 0)) (.cse7 (= ~a27~0 0)) (.cse9 (not .cse13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse7) (and .cse0 .cse6 .cse1 .cse5) (not (<= |old(~a5~0)| 1)) (and .cse0 .cse6 .cse1 .cse7 .cse8) (and .cse0 .cse6 .cse1 .cse9) (and .cse0 .cse1 .cse2 .cse7 .cse9 (= ~a11~0 ~a19~0) .cse10) (not (<= 1 |old(~a5~0)|)) (not (= |old(~a3~0)| 1)) (and .cse0 .cse6 .cse1 .cse8 .cse11) (and .cse0 .cse6 .cse1 .cse8 .cse10) (not (<= |old(~a12~0)| 0)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2 .cse7 .cse9 .cse8 .cse5) (not (<= |old(~a6~0)| 0)) (and .cse0 .cse1 .cse2 .cse4 .cse9) (and .cse0 .cse1 .cse6 .cse3 .cse8) (and .cse0 .cse6 .cse1 .cse4 .cse8) (and .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse12 .cse7 .cse13 .cse10) (and .cse0 .cse1 .cse2 .cse12 .cse11) (not (= |old(~a4~0)| 1)) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (= |old(~a0~0)| 1)) (and .cse0 .cse6 .cse1 .cse3 .cse10) (and .cse0 .cse1 .cse2 .cse3 (or (< 1 ~a6~0) .cse8) .cse7 .cse9)))) [2020-10-14 19:16:43,049 INFO L268 CegarLoopResult]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 19:16:43,049 INFO L264 CegarLoopResult]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse13 (= ~a11~0 1))) (let ((.cse4 (= ~a0~0 1)) (.cse5 (<= ~a3~0 0)) (.cse12 (<= 1 ~a12~0)) (.cse11 (= ~a4~0 1)) (.cse6 (<= ~a12~0 0)) (.cse10 (= ~a3~0 1)) (.cse0 (<= 1 ~a5~0)) (.cse1 (<= ~a5~0 1)) (.cse2 (<= ~a12~0 1)) (.cse3 (= ~a26~0 1)) (.cse8 (<= ~a6~0 0)) (.cse7 (= ~a27~0 0)) (.cse9 (not .cse13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse7) (and .cse0 .cse6 .cse1 .cse5) (not (<= |old(~a5~0)| 1)) (and .cse0 .cse6 .cse1 .cse7 .cse8) (and .cse0 .cse6 .cse1 .cse9) (and .cse0 .cse1 .cse2 .cse7 .cse9 (= ~a11~0 ~a19~0) .cse10) (not (<= 1 |old(~a5~0)|)) (not (= |old(~a3~0)| 1)) (and .cse0 .cse6 .cse1 .cse8 .cse11) (and .cse0 .cse6 .cse1 .cse8 .cse10) (not (<= |old(~a12~0)| 0)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2 .cse7 .cse9 .cse8 .cse5) (not (<= |old(~a6~0)| 0)) (and .cse0 .cse1 .cse2 .cse4 .cse9) (and .cse0 .cse1 .cse6 .cse3 .cse8) (and .cse0 .cse6 .cse1 .cse4 .cse8) (and .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse12 .cse7 .cse13 .cse10) (and .cse0 .cse1 .cse2 .cse12 .cse11) (not (= |old(~a4~0)| 1)) (not (= |old(~a11~0)| |old(~a19~0)|)) (not (= |old(~a0~0)| 1)) (and .cse0 .cse6 .cse1 .cse3 .cse10) (and .cse0 .cse1 .cse2 .cse3 (or (< 1 ~a6~0) .cse8) .cse7 .cse9)))) [2020-10-14 19:16:43,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:16:43 BoogieIcfgContainer [2020-10-14 19:16:43,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:16:43,078 INFO L168 Benchmark]: Toolchain (without parser) took 183379.97 ms. Allocated memory was 147.8 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 99.3 MB in the beginning and 868.9 MB in the end (delta: -769.6 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 19:16:43,079 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 19:16:43,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1395.58 ms. Allocated memory was 147.8 MB in the beginning and 238.0 MB in the end (delta: 90.2 MB). Free memory was 98.9 MB in the beginning and 183.9 MB in the end (delta: -85.1 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2020-10-14 19:16:43,080 INFO L168 Benchmark]: Boogie Preprocessor took 172.87 ms. Allocated memory is still 238.0 MB. Free memory was 183.9 MB in the beginning and 173.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-10-14 19:16:43,080 INFO L168 Benchmark]: RCFGBuilder took 1929.88 ms. Allocated memory was 238.0 MB in the beginning and 264.2 MB in the end (delta: 26.2 MB). Free memory was 172.2 MB in the beginning and 197.9 MB in the end (delta: -25.8 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. [2020-10-14 19:16:43,081 INFO L168 Benchmark]: TraceAbstraction took 179876.50 ms. Allocated memory was 264.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 195.7 MB in the beginning and 868.9 MB in the end (delta: -673.2 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 19:16:43,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1395.58 ms. Allocated memory was 147.8 MB in the beginning and 238.0 MB in the end (delta: 90.2 MB). Free memory was 98.9 MB in the beginning and 183.9 MB in the end (delta: -85.1 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 172.87 ms. Allocated memory is still 238.0 MB. Free memory was 183.9 MB in the beginning and 173.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1929.88 ms. Allocated memory was 238.0 MB in the beginning and 264.2 MB in the end (delta: 26.2 MB). Free memory was 172.2 MB in the beginning and 197.9 MB in the end (delta: -25.8 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 179876.50 ms. Allocated memory was 264.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 195.7 MB in the beginning and 868.9 MB in the end (delta: -673.2 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1572]: 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: (((((((((((((((((((((((((((((1 <= a5 && a5 <= 1) && a12 <= 1) && a26 == 1) && a0 == 1) || ((((1 <= a5 && a5 <= 1) && a12 <= 1) && a26 == 1) && a3 <= 0)) || ((((1 <= a5 && a5 <= 1) && a12 <= 0) && a26 == 1) && a27 == 0)) || (((1 <= a5 && a12 <= 0) && a5 <= 1) && a3 <= 0)) || !(\old(a5) <= 1)) || ((((1 <= a5 && a12 <= 0) && a5 <= 1) && a27 == 0) && a6 <= 0)) || (((1 <= a5 && a12 <= 0) && a5 <= 1) && !(a11 == 1))) || ((((((1 <= a5 && a5 <= 1) && a12 <= 1) && a27 == 0) && !(a11 == 1)) && a11 == a19) && a3 == 1)) || !(1 <= \old(a5))) || !(\old(a3) == 1)) || ((((1 <= a5 && a12 <= 0) && a5 <= 1) && a6 <= 0) && a4 == 1)) || ((((1 <= a5 && a12 <= 0) && a5 <= 1) && a6 <= 0) && a3 == 1)) || !(\old(a12) <= 0)) || !(0 == \old(a11))) || ((((((1 <= a5 && a5 <= 1) && a12 <= 1) && a27 == 0) && !(a11 == 1)) && a6 <= 0) && a3 <= 0)) || !(\old(a6) <= 0)) || ((((1 <= a5 && a5 <= 1) && a12 <= 1) && a0 == 1) && !(a11 == 1))) || ((((1 <= a5 && a5 <= 1) && a12 <= 0) && a26 == 1) && a6 <= 0)) || ((((1 <= a5 && a12 <= 0) && a5 <= 1) && a0 == 1) && a6 <= 0)) || ((((1 <= a5 && a5 <= 1) && a12 <= 1) && a0 == 1) && a3 <= 0)) || ((((((1 <= a5 && a5 <= 1) && a12 <= 1) && 1 <= a12) && a27 == 0) && a11 == 1) && a3 == 1)) || ((((1 <= a5 && a5 <= 1) && a12 <= 1) && 1 <= a12) && a4 == 1)) || !(\old(a4) == 1)) || !(\old(a11) == \old(a19))) || !(\old(a0) == 1)) || ((((1 <= a5 && a12 <= 0) && a5 <= 1) && a26 == 1) && a3 == 1)) || ((((((1 <= a5 && a5 <= 1) && a12 <= 1) && a26 == 1) && (1 < a6 || a6 <= 0)) && a27 == 0) && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 140.8s, OverallIterations: 15, TraceHistogramMax: 7, AutomataDifference: 47.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 38.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 706 SDtfs, 10645 SDslu, 1078 SDs, 0 SdLazy, 21763 SolverSat, 4009 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 178 SyntacticMatches, 2 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71021occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 6335 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 2069 PreInvPairs, 2917 NumberOfFragments, 1640 HoareAnnotationTreeSize, 2069 FomulaSimplifications, 55425311 FormulaSimplificationTreeSizeReduction, 15.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 338467 FormulaSimplificationTreeSizeReductionInter, 23.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 79.5s InterpolantComputationTime, 4755 NumberOfCodeBlocks, 4755 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4740 ConstructedInterpolants, 0 QuantifiedInterpolants, 7140837 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 4082/4326 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...