/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:19:20,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:19:20,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:19:20,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:19:20,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:19:20,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:19:20,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:19:20,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:19:20,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:19:20,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:19:20,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:19:20,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:19:20,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:19:20,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:19:20,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:19:20,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:19:20,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:19:20,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:19:20,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:19:20,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:19:20,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:19:20,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:19:20,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:19:20,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:19:20,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:19:20,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:19:20,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:19:20,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:19:20,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:19:20,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:19:20,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:19:20,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:19:20,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:19:20,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:19:20,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:19:20,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:19:20,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:19:20,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:19:20,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:19:20,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:19:20,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:19:20,535 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 03:19:20,575 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:19:20,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:19:20,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:19:20,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:19:20,579 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:19:20,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:19:20,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:19:20,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:19:20,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:19:20,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:19:20,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:19:20,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:19:20,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:19:20,582 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:19:20,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:19:20,582 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:19:20,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:19:20,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:19:20,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:19:20,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:19:20,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:19:20,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:19:20,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:19:20,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:19:20,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:19:20,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:19:20,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:19:20,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:19:20,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:19:20,585 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 03:19:20,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:19:20,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:19:20,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:19:20,947 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:19:20,948 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:19:20,948 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-10-14 03:19:21,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ddb682a63/176cc93684304cb3b4c219ca7637589a/FLAG70cc55e0b [2020-10-14 03:19:21,622 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:19:21,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-10-14 03:19:21,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ddb682a63/176cc93684304cb3b4c219ca7637589a/FLAG70cc55e0b [2020-10-14 03:19:21,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ddb682a63/176cc93684304cb3b4c219ca7637589a [2020-10-14 03:19:21,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:19:21,879 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:19:21,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:19:21,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:19:21,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:19:21,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:19:21" (1/1) ... [2020-10-14 03:19:21,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cd0836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:21, skipping insertion in model container [2020-10-14 03:19:21,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:19:21" (1/1) ... [2020-10-14 03:19:21,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:19:21,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:19:22,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:19:22,563 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:19:22,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:19:22,712 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:19:22,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22 WrapperNode [2020-10-14 03:19:22,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:19:22,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:19:22,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:19:22,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:19:22,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22" (1/1) ... [2020-10-14 03:19:22,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22" (1/1) ... [2020-10-14 03:19:22,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22" (1/1) ... [2020-10-14 03:19:22,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22" (1/1) ... [2020-10-14 03:19:22,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22" (1/1) ... [2020-10-14 03:19:22,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22" (1/1) ... [2020-10-14 03:19:22,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22" (1/1) ... [2020-10-14 03:19:22,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:19:22,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:19:22,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:19:22,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:19:22,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22" (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 03:19:22,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:19:22,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:19:22,936 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:19:22,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:19:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:19:22,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:19:22,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:19:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:19:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:19:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:19:22,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:19:24,412 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:19:24,412 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:19:24,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:19:24 BoogieIcfgContainer [2020-10-14 03:19:24,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:19:24,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:19:24,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:19:24,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:19:24,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:19:21" (1/3) ... [2020-10-14 03:19:24,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec74376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:19:24, skipping insertion in model container [2020-10-14 03:19:24,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:19:22" (2/3) ... [2020-10-14 03:19:24,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec74376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:19:24, skipping insertion in model container [2020-10-14 03:19:24,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:19:24" (3/3) ... [2020-10-14 03:19:24,430 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-10-14 03:19:24,443 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:19:24,453 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:19:24,470 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:19:24,499 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:19:24,499 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:19:24,500 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:19:24,500 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:19:24,500 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:19:24,500 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:19:24,501 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:19:24,501 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:19:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:19:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-14 03:19:24,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:24,538 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] [2020-10-14 03:19:24,539 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:24,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:24,546 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2020-10-14 03:19:24,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:24,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572919836] [2020-10-14 03:19:24,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:24,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:25,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:25,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 03:19:25,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 496 [2020-10-14 03:19:25,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:25,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:19:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:19:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-14 03:19:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 03:19:25,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:25,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:25,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:25,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:25,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:25,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:19:25,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:25,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:19:25,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:19:25,570 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 03:19:25,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572919836] [2020-10-14 03:19:25,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:19:25,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 03:19:25,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473386561] [2020-10-14 03:19:25,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 03:19:25,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:25,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 03:19:25,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 03:19:25,597 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 03:19:27,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:27,726 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-10-14 03:19:27,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:27,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-10-14 03:19:27,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:27,765 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:19:27,765 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:19:27,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:27,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:19:27,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-14 03:19:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-14 03:19:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-10-14 03:19:27,903 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 56 [2020-10-14 03:19:27,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:27,905 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-10-14 03:19:27,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 03:19:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-10-14 03:19:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 03:19:27,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:27,919 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 03:19:27,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:19:27,920 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:27,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:27,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1518834621, now seen corresponding path program 1 times [2020-10-14 03:19:27,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:27,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90715091] [2020-10-14 03:19:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:28,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:28,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:28,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:29,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:29,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 03:19:29,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:19:29,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1211 [2020-10-14 03:19:29,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:29,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:29,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:19:29,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 03:19:29,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:19:29,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:29,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:29,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:29,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:29,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:29,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:19:29,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:29,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:29,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:29,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:19:29,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:29,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:29,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:29,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:19:29,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:29,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 03:19:29,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:29,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:29,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:29,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:29,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:19:29,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 03:19:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:19:29,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90715091] [2020-10-14 03:19:29,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:29,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:29,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277334888] [2020-10-14 03:19:29,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:29,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:29,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:29,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:29,465 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 5 states. [2020-10-14 03:19:31,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:31,071 INFO L93 Difference]: Finished difference Result 932 states and 1518 transitions. [2020-10-14 03:19:31,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:31,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-10-14 03:19:31,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:31,076 INFO L225 Difference]: With dead ends: 932 [2020-10-14 03:19:31,076 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 03:19:31,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:31,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 03:19:31,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 03:19:31,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:19:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 801 transitions. [2020-10-14 03:19:31,118 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 801 transitions. Word has length 125 [2020-10-14 03:19:31,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:31,120 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 801 transitions. [2020-10-14 03:19:31,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 801 transitions. [2020-10-14 03:19:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-14 03:19:31,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:31,130 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:31,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:19:31,130 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:31,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:31,131 INFO L82 PathProgramCache]: Analyzing trace with hash 438966350, now seen corresponding path program 1 times [2020-10-14 03:19:31,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:31,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349669154] [2020-10-14 03:19:31,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:31,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:31,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:32,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:32,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:32,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 03:19:32,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:19:32,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1256 [2020-10-14 03:19:32,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:32,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:32,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 03:19:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 03:19:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:32,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:32,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:32,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:32,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:32,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:32,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:32,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:32,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:32,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:32,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:32,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:32,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:32,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:32,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:32,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:32,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:19:32,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:32,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 03:19:32,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:32,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:32,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:32,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:32,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 03:19:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:19:32,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349669154] [2020-10-14 03:19:32,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:32,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:32,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038922621] [2020-10-14 03:19:32,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:32,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:32,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:32,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:32,630 INFO L87 Difference]: Start difference. First operand 560 states and 801 transitions. Second operand 5 states. [2020-10-14 03:19:34,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:34,294 INFO L93 Difference]: Finished difference Result 1670 states and 2424 transitions. [2020-10-14 03:19:34,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:34,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-10-14 03:19:34,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:34,301 INFO L225 Difference]: With dead ends: 1670 [2020-10-14 03:19:34,302 INFO L226 Difference]: Without dead ends: 1116 [2020-10-14 03:19:34,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:34,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-14 03:19:34,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 746. [2020-10-14 03:19:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-14 03:19:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1043 transitions. [2020-10-14 03:19:34,333 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1043 transitions. Word has length 130 [2020-10-14 03:19:34,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:34,334 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 1043 transitions. [2020-10-14 03:19:34,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1043 transitions. [2020-10-14 03:19:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-14 03:19:34,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:34,336 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:34,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:19:34,337 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:34,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:34,337 INFO L82 PathProgramCache]: Analyzing trace with hash -615143198, now seen corresponding path program 1 times [2020-10-14 03:19:34,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:34,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2077012184] [2020-10-14 03:19:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:34,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:34,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:34,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:35,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:35,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:35,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-14 03:19:35,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:35,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-10-14 03:19:35,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:35,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 03:19:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 03:19:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:35,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:35,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:35,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:35,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:35,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:35,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:19:35,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:35,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:35,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:35,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:35,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:35,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:35,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:35,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:35,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:35,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 03:19:35,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:35,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 03:19:35,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:35,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:35,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:19:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:19:35,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2077012184] [2020-10-14 03:19:35,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:35,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:35,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928254084] [2020-10-14 03:19:35,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:35,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:35,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:35,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:35,581 INFO L87 Difference]: Start difference. First operand 746 states and 1043 transitions. Second operand 5 states. [2020-10-14 03:19:37,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:37,373 INFO L93 Difference]: Finished difference Result 2046 states and 2933 transitions. [2020-10-14 03:19:37,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:37,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2020-10-14 03:19:37,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:37,382 INFO L225 Difference]: With dead ends: 2046 [2020-10-14 03:19:37,383 INFO L226 Difference]: Without dead ends: 1122 [2020-10-14 03:19:37,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:37,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-10-14 03:19:37,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1114. [2020-10-14 03:19:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1114 states. [2020-10-14 03:19:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1516 transitions. [2020-10-14 03:19:37,449 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1516 transitions. Word has length 136 [2020-10-14 03:19:37,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:37,450 INFO L479 AbstractCegarLoop]: Abstraction has 1114 states and 1516 transitions. [2020-10-14 03:19:37,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1516 transitions. [2020-10-14 03:19:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-14 03:19:37,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:37,453 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:37,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:19:37,454 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:37,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:37,454 INFO L82 PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times [2020-10-14 03:19:37,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:37,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822280721] [2020-10-14 03:19:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:37,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:37,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:38,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:38,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:38,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 03:19:38,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:19:38,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 995 [2020-10-14 03:19:38,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:38,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:38,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:38,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:19:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 03:19:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:38,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:38,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:38,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:38,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:38,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:38,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:38,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:38,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:38,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:38,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:38,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:38,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:38,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:19:38,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 03:19:38,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:38,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 03:19:38,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:19:38,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822280721] [2020-10-14 03:19:38,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:38,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:19:38,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666500788] [2020-10-14 03:19:38,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:19:38,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:38,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:19:38,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:19:38,685 INFO L87 Difference]: Start difference. First operand 1114 states and 1516 transitions. Second operand 5 states. [2020-10-14 03:19:40,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:40,127 INFO L93 Difference]: Finished difference Result 3330 states and 4619 transitions. [2020-10-14 03:19:40,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:19:40,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-14 03:19:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:40,141 INFO L225 Difference]: With dead ends: 3330 [2020-10-14 03:19:40,141 INFO L226 Difference]: Without dead ends: 2222 [2020-10-14 03:19:40,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:19:40,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2020-10-14 03:19:40,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 1672. [2020-10-14 03:19:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-10-14 03:19:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2229 transitions. [2020-10-14 03:19:40,199 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2229 transitions. Word has length 139 [2020-10-14 03:19:40,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:40,199 INFO L479 AbstractCegarLoop]: Abstraction has 1672 states and 2229 transitions. [2020-10-14 03:19:40,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:19:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2229 transitions. [2020-10-14 03:19:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 03:19:40,205 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:40,205 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:19:40,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:19:40,206 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:40,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:40,206 INFO L82 PathProgramCache]: Analyzing trace with hash -703179416, now seen corresponding path program 1 times [2020-10-14 03:19:40,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:40,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764212586] [2020-10-14 03:19:40,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:40,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:40,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:41,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:41,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:41,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:45,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:45,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 03:19:45,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:19:45,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 03:19:45,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:45,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:45,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-14 03:19:45,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 03:19:45,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:45,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:45,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:45,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:45,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:45,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:19:45,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:45,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:45,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:45,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:45,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:45,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:19:45,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:45,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 03:19:45,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:45,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 03:19:45,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:45,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 03:19:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:45,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:45,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:45,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 03:19:45,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:45,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 03:19:45,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:45,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:45,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:45,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:45,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 03:19:45,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:19:45,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764212586] [2020-10-14 03:19:45,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:45,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:45,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411601433] [2020-10-14 03:19:45,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:45,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:45,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:45,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:45,776 INFO L87 Difference]: Start difference. First operand 1672 states and 2229 transitions. Second operand 7 states. [2020-10-14 03:19:47,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:47,736 INFO L93 Difference]: Finished difference Result 4494 states and 6206 transitions. [2020-10-14 03:19:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:19:47,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 255 [2020-10-14 03:19:47,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:47,754 INFO L225 Difference]: With dead ends: 4494 [2020-10-14 03:19:47,754 INFO L226 Difference]: Without dead ends: 2828 [2020-10-14 03:19:47,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:19:47,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2020-10-14 03:19:47,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2080. [2020-10-14 03:19:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2020-10-14 03:19:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2850 transitions. [2020-10-14 03:19:47,826 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2850 transitions. Word has length 255 [2020-10-14 03:19:47,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:47,827 INFO L479 AbstractCegarLoop]: Abstraction has 2080 states and 2850 transitions. [2020-10-14 03:19:47,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2850 transitions. [2020-10-14 03:19:47,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-14 03:19:47,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:47,834 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:19:47,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:19:47,834 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:47,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:47,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1607762335, now seen corresponding path program 1 times [2020-10-14 03:19:47,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:47,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085613744] [2020-10-14 03:19:47,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:47,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:47,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:48,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:49,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:49,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:51,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:51,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-14 03:19:51,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:19:51,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3983 [2020-10-14 03:19:51,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:51,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:51,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:51,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 03:19:51,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 03:19:51,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:19:51,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:51,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:51,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:51,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:51,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:51,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:19:51,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:51,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:51,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:51,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:51,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:51,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:52,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:52,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 03:19:52,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:52,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 03:19:52,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:52,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:19:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:52,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 03:19:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:52,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:52,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:52,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 03:19:52,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:52,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 03:19:52,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:52,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:52,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 03:19:52,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:19:52,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085613744] [2020-10-14 03:19:52,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:52,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:52,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852965001] [2020-10-14 03:19:52,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:52,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:52,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:52,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:52,475 INFO L87 Difference]: Start difference. First operand 2080 states and 2850 transitions. Second operand 7 states. [2020-10-14 03:19:54,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:19:54,878 INFO L93 Difference]: Finished difference Result 5236 states and 8102 transitions. [2020-10-14 03:19:54,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:19:54,879 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 272 [2020-10-14 03:19:54,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:19:54,897 INFO L225 Difference]: With dead ends: 5236 [2020-10-14 03:19:54,897 INFO L226 Difference]: Without dead ends: 2026 [2020-10-14 03:19:54,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:19:54,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2020-10-14 03:19:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 1898. [2020-10-14 03:19:54,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1898 states. [2020-10-14 03:19:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 2580 transitions. [2020-10-14 03:19:55,000 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 2580 transitions. Word has length 272 [2020-10-14 03:19:55,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:19:55,001 INFO L479 AbstractCegarLoop]: Abstraction has 1898 states and 2580 transitions. [2020-10-14 03:19:55,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:19:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2580 transitions. [2020-10-14 03:19:55,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-14 03:19:55,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:19:55,010 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:19:55,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:19:55,011 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:19:55,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:19:55,011 INFO L82 PathProgramCache]: Analyzing trace with hash 836042321, now seen corresponding path program 1 times [2020-10-14 03:19:55,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:19:55,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461114086] [2020-10-14 03:19:55,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:19:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:55,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:55,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:55,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:56,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:58,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:58,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-14 03:19:58,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:19:58,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3455 [2020-10-14 03:19:58,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:58,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 03:19:58,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 03:19:58,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:58,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:19:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:58,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:58,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:58,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:19:58,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:58,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:19:58,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:58,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:19:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:19:58,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:58,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:19:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:58,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:58,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:58,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:19:58,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:58,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 03:19:58,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:58,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:19:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:19:58,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 03:19:58,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:58,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-14 03:19:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:19:58,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:19:58,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:19:58,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 03:19:58,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:19:58,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-14 03:19:58,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:19:58,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:19:58,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:19:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:19:58,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 03:19:58,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:19:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:19:59,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461114086] [2020-10-14 03:19:59,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:19:59,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:19:59,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849145073] [2020-10-14 03:19:59,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:19:59,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:19:59,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:19:59,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:19:59,206 INFO L87 Difference]: Start difference. First operand 1898 states and 2580 transitions. Second operand 7 states. [2020-10-14 03:20:01,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:01,572 INFO L93 Difference]: Finished difference Result 4446 states and 6510 transitions. [2020-10-14 03:20:01,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:20:01,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 280 [2020-10-14 03:20:01,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:01,590 INFO L225 Difference]: With dead ends: 4446 [2020-10-14 03:20:01,590 INFO L226 Difference]: Without dead ends: 2554 [2020-10-14 03:20:01,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:20:01,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2020-10-14 03:20:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 2280. [2020-10-14 03:20:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2280 states. [2020-10-14 03:20:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 3017 transitions. [2020-10-14 03:20:01,683 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 3017 transitions. Word has length 280 [2020-10-14 03:20:01,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:01,684 INFO L479 AbstractCegarLoop]: Abstraction has 2280 states and 3017 transitions. [2020-10-14 03:20:01,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 3017 transitions. [2020-10-14 03:20:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-10-14 03:20:01,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:01,691 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:20:01,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:20:01,692 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:01,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:01,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1288561904, now seen corresponding path program 1 times [2020-10-14 03:20:01,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:01,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802856979] [2020-10-14 03:20:01,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:01,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:01,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:02,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:03,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:04,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:04,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-14 03:20:04,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:04,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2947 [2020-10-14 03:20:04,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:04,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 03:20:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 03:20:04,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:04,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:04,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:04,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:04,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:04,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:04,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:04,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:04,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:04,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:04,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:04,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:04,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:04,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:04,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:20:04,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:04,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 03:20:04,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:04,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:04,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:20:04,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:04,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 03:20:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:04,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:05,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:05,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 03:20:05,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:05,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 03:20:05,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:05,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:05,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 03:20:05,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:05,280 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:20:05,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802856979] [2020-10-14 03:20:05,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:05,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:05,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494535675] [2020-10-14 03:20:05,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:05,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:05,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:05,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:05,293 INFO L87 Difference]: Start difference. First operand 2280 states and 3017 transitions. Second operand 7 states. [2020-10-14 03:20:07,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:07,356 INFO L93 Difference]: Finished difference Result 6056 states and 8314 transitions. [2020-10-14 03:20:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:20:07,357 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 283 [2020-10-14 03:20:07,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:07,378 INFO L225 Difference]: With dead ends: 6056 [2020-10-14 03:20:07,378 INFO L226 Difference]: Without dead ends: 3782 [2020-10-14 03:20:07,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:20:07,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3782 states. [2020-10-14 03:20:07,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3782 to 3742. [2020-10-14 03:20:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2020-10-14 03:20:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4792 transitions. [2020-10-14 03:20:07,484 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4792 transitions. Word has length 283 [2020-10-14 03:20:07,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:07,485 INFO L479 AbstractCegarLoop]: Abstraction has 3742 states and 4792 transitions. [2020-10-14 03:20:07,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4792 transitions. [2020-10-14 03:20:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2020-10-14 03:20:07,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:07,503 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:07,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:20:07,504 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:07,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:07,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1727017302, now seen corresponding path program 1 times [2020-10-14 03:20:07,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:07,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735575204] [2020-10-14 03:20:07,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:07,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:07,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:07,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:08,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:12,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:12,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 476 [2020-10-14 03:20:12,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 03:20:12,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:12,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 03:20:12,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:20:12,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:12,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:12,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:12,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:12,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:12,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:12,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:12,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:12,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:12,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:12,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:12,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:12,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:12,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:12,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:12,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:12,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:20:12,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:12,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 03:20:12,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:12,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:12,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:12,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:12,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:20:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:12,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 03:20:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:12,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:13,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:13,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:13,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-14 03:20:13,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:13,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:20:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:13,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-14 03:20:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:13,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:13,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:13,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 03:20:13,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:13,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:20:13,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:13,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:13,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 03:20:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:13,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 281 proven. 93 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-14 03:20:13,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735575204] [2020-10-14 03:20:13,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:13,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:20:13,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034784848] [2020-10-14 03:20:13,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:20:13,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:13,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:20:13,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:20:13,505 INFO L87 Difference]: Start difference. First operand 3742 states and 4792 transitions. Second operand 8 states. [2020-10-14 03:20:16,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:16,035 INFO L93 Difference]: Finished difference Result 9326 states and 12069 transitions. [2020-10-14 03:20:16,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:20:16,037 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 462 [2020-10-14 03:20:16,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:16,060 INFO L225 Difference]: With dead ends: 9326 [2020-10-14 03:20:16,061 INFO L226 Difference]: Without dead ends: 5590 [2020-10-14 03:20:16,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 03:20:16,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2020-10-14 03:20:16,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 5404. [2020-10-14 03:20:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5404 states. [2020-10-14 03:20:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5404 states to 5404 states and 6740 transitions. [2020-10-14 03:20:16,203 INFO L78 Accepts]: Start accepts. Automaton has 5404 states and 6740 transitions. Word has length 462 [2020-10-14 03:20:16,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:16,204 INFO L479 AbstractCegarLoop]: Abstraction has 5404 states and 6740 transitions. [2020-10-14 03:20:16,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:20:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 5404 states and 6740 transitions. [2020-10-14 03:20:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2020-10-14 03:20:16,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:16,239 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:20:16,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:20:16,239 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:16,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:16,240 INFO L82 PathProgramCache]: Analyzing trace with hash 2121799746, now seen corresponding path program 1 times [2020-10-14 03:20:16,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:16,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662063065] [2020-10-14 03:20:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:16,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:16,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:16,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:18,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:21,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:21,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 520 [2020-10-14 03:20:21,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:21,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 03:20:21,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:21,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-14 03:20:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:20:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:21,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:21,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:21,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:21,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:21,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:21,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:21,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:21,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:21,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:21,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:21,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:21,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:21,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:20:21,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 03:20:21,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:21,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 03:20:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:21,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 03:20:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:21,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:21,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:21,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:21,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:21,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-14 03:20:21,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:21,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:21,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:21,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:21,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:20:21,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:21,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-10-14 03:20:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:21,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:21,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:21,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 03:20:21,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:21,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:20:21,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:21,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 03:20:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:21,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 325 proven. 93 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-14 03:20:22,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662063065] [2020-10-14 03:20:22,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:22,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:22,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680512859] [2020-10-14 03:20:22,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:22,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:22,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:22,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:22,013 INFO L87 Difference]: Start difference. First operand 5404 states and 6740 transitions. Second operand 7 states. [2020-10-14 03:20:23,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:23,900 INFO L93 Difference]: Finished difference Result 11188 states and 13924 transitions. [2020-10-14 03:20:23,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:20:23,902 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 506 [2020-10-14 03:20:23,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:23,932 INFO L225 Difference]: With dead ends: 11188 [2020-10-14 03:20:23,932 INFO L226 Difference]: Without dead ends: 5790 [2020-10-14 03:20:23,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:20:23,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5790 states. [2020-10-14 03:20:24,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5790 to 5224. [2020-10-14 03:20:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5224 states. [2020-10-14 03:20:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 6534 transitions. [2020-10-14 03:20:24,075 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 6534 transitions. Word has length 506 [2020-10-14 03:20:24,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:24,076 INFO L479 AbstractCegarLoop]: Abstraction has 5224 states and 6534 transitions. [2020-10-14 03:20:24,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 6534 transitions. [2020-10-14 03:20:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-10-14 03:20:24,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:24,091 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:20:24,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:20:24,091 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:24,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:24,092 INFO L82 PathProgramCache]: Analyzing trace with hash -468039453, now seen corresponding path program 1 times [2020-10-14 03:20:24,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:24,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567203531] [2020-10-14 03:20:24,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:24,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:24,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:24,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:24,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:25,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:29,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:29,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 530 [2020-10-14 03:20:29,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:20:29,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-14 03:20:29,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:29,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-10-14 03:20:29,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 03:20:29,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:29,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:29,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:29,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:29,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:29,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:29,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:29,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:29,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:29,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:29,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:29,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:29,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:20:29,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:20:29,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:29,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:29,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:29,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:29,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 03:20:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:29,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:29,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:20:29,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:29,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 03:20:29,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:29,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:29,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:29,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 03:20:29,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:29,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 03:20:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:29,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:29,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:29,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:29,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-14 03:20:29,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:29,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:20:29,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 03:20:29,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:29,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-10-14 03:20:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:29,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:29,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:29,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 03:20:29,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 03:20:29,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:29,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:29,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:29,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 03:20:29,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:29,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 388 proven. 93 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-10-14 03:20:30,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567203531] [2020-10-14 03:20:30,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:30,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:20:30,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724704627] [2020-10-14 03:20:30,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:20:30,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:30,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:20:30,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:20:30,098 INFO L87 Difference]: Start difference. First operand 5224 states and 6534 transitions. Second operand 7 states. [2020-10-14 03:20:32,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:32,789 INFO L93 Difference]: Finished difference Result 13108 states and 16792 transitions. [2020-10-14 03:20:32,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:20:32,790 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 514 [2020-10-14 03:20:32,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:32,820 INFO L225 Difference]: With dead ends: 13108 [2020-10-14 03:20:32,820 INFO L226 Difference]: Without dead ends: 7890 [2020-10-14 03:20:32,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:20:32,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7890 states. [2020-10-14 03:20:33,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7890 to 7890. [2020-10-14 03:20:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7890 states. [2020-10-14 03:20:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 9878 transitions. [2020-10-14 03:20:33,033 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 9878 transitions. Word has length 514 [2020-10-14 03:20:33,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:33,034 INFO L479 AbstractCegarLoop]: Abstraction has 7890 states and 9878 transitions. [2020-10-14 03:20:33,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:20:33,034 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 9878 transitions. [2020-10-14 03:20:33,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2020-10-14 03:20:33,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:20:33,066 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 03:20:33,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:20:33,067 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:20:33,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:20:33,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1559762603, now seen corresponding path program 1 times [2020-10-14 03:20:33,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:20:33,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229213783] [2020-10-14 03:20:33,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:20:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:33,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:33,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:38,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:38,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 598 [2020-10-14 03:20:38,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:20:38,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 03:20:38,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:38,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:20:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 542 [2020-10-14 03:20:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 03:20:38,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:38,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:20:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:38,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:38,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:38,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:20:38,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:38,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:20:38,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:38,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:38,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:38,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:20:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:38,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:38,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:38,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:20:38,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:38,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:20:38,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:38,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:38,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:38,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:38,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:20:38,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 03:20:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:38,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:38,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:38,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:20:38,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:38,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 03:20:38,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:38,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:38,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:38,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-14 03:20:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:38,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:38,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:38,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:20:38,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:38,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 03:20:38,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:38,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:38,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:20:38,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:38,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:20:38,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:38,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-14 03:20:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:20:38,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:20:38,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:20:38,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 03:20:38,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:20:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:20:38,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:20:38,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:20:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:20:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:20:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 03:20:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:20:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 201 proven. 4 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2020-10-14 03:20:38,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229213783] [2020-10-14 03:20:38,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:20:38,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:20:38,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413313208] [2020-10-14 03:20:38,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:20:38,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:20:38,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:20:38,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:20:38,610 INFO L87 Difference]: Start difference. First operand 7890 states and 9878 transitions. Second operand 5 states. [2020-10-14 03:20:40,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:20:40,148 INFO L93 Difference]: Finished difference Result 16148 states and 20168 transitions. [2020-10-14 03:20:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:20:40,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 582 [2020-10-14 03:20:40,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:20:40,150 INFO L225 Difference]: With dead ends: 16148 [2020-10-14 03:20:40,150 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:20:40,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:20:40,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:20:40,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:20:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:20:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:20:40,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 582 [2020-10-14 03:20:40,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:20:40,191 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:20:40,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:20:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:20:40,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:20:40,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:20:40,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:20:41,900 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 43 [2020-10-14 03:20:42,361 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 43 [2020-10-14 03:20:43,186 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 54 [2020-10-14 03:20:43,358 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-14 03:20:43,491 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-14 03:20:43,496 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:20:43,496 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:20:43,496 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:20:43,496 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:20:43,497 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:20:43,497 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,497 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,498 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,498 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:20:43,498 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:20:43,499 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:20:43,499 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:20:43,499 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:20:43,499 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:20:43,499 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:20:43,499 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:20:43,499 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,499 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,499 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,500 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:20:43,500 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:20:43,500 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:20:43,500 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:20:43,500 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:20:43,500 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:20:43,500 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:20:43,500 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:20:43,500 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,501 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,501 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,501 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:20:43,501 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:20:43,502 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:20:43,502 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:20:43,502 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:20:43,502 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:20:43,502 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:20:43,502 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:20:43,502 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:20:43,504 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,504 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,504 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,504 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:20:43,505 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:20:43,505 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:20:43,505 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:20:43,505 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:20:43,505 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:20:43,505 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:20:43,505 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,505 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,505 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:20:43,506 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,507 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,507 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,507 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,507 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:20:43,507 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:20:43,508 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:20:43,508 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:20:43,509 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:20:43,509 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:20:43,509 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:20:43,509 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:20:43,509 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,509 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,509 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,509 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:20:43,509 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:20:43,510 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:20:43,511 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse7 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse4 (= ~a15~0 |old(~a15~0)|))) (let ((.cse5 (and .cse2 .cse7 .cse3 .cse4)) (.cse0 (not (= 8 |old(~a15~0)|))) (.cse1 (and .cse2 .cse7 (= ~a15~0 8) .cse3)) (.cse6 (not (<= 82 |old(~a12~0)|)))) (and (or (not (<= 10 |old(~a21~0)|)) .cse0 .cse1) (or (and .cse2 (= ~a21~0 9) .cse3 .cse4) (not (= 9 |old(~a21~0)|))) (or .cse5 (not (= 7 |old(~a15~0)|))) (or .cse5 (not (= 5 |old(~a15~0)|))) (or .cse5 (not (<= |old(~a12~0)| 80))) (or (and .cse2 (= ~a21~0 6) .cse3 .cse4) (not (= 6 |old(~a21~0)|)) .cse6) (or .cse5 (not (= 9 |old(~a15~0)|))) (or .cse0 .cse1 .cse6)))) [2020-10-14 03:20:43,511 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:20:43,511 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:20:43,511 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,511 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,511 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,511 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:20:43,512 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:20:43,513 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:20:43,514 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:20:43,515 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,516 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:20:43,517 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:20:43,518 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:20:43,519 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:20:43,520 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:20:43,520 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:20:43,520 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:20:43,520 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:20:43,520 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,520 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,520 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,520 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:20:43,520 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,521 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,522 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,523 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:20:43,523 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:20:43,523 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:20:43,523 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:20:43,523 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:20:43,523 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:20:43,523 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:20:43,523 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a12~0 10) (= ~a15~0 8) (not (= ~a21~0 9)) (not (= ~a21~0 8))) [2020-10-14 03:20:43,523 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:20:43,524 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:20:43,524 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (= 8 |old(~a21~0)|) (not (<= |old(~a12~0)| 10)) (not (= 8 |old(~a15~0)|)) (= 9 |old(~a21~0)|) (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-14 03:20:43,524 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:20:43,524 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8)) (.cse1 (<= 82 ~a12~0))) (or (= 7 ~a15~0) (= 5 ~a15~0) (= 8 |old(~a21~0)|) (and .cse0 (<= 10 ~a21~0)) (and .cse1 .cse0) (not (= 8 |old(~a15~0)|)) (not (<= |old(~a12~0)| 10)) (<= ~a12~0 80) (= ~a21~0 9) (= 9 |old(~a21~0)|) (= ~a15~0 9) (and .cse1 (= ~a21~0 6)))) [2020-10-14 03:20:43,524 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:20:43,524 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:20:43,525 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8)) (.cse1 (<= 82 ~a12~0))) (or (= 7 ~a15~0) (= 5 ~a15~0) (= 8 |old(~a21~0)|) (and .cse0 (<= 10 ~a21~0)) (and .cse1 .cse0) (not (= 8 |old(~a15~0)|)) (not (<= |old(~a12~0)| 10)) (<= ~a12~0 80) (= ~a21~0 9) (= 9 |old(~a21~0)|) (= ~a15~0 9) (and .cse1 (= ~a21~0 6)))) [2020-10-14 03:20:43,525 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:20:43,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:20:43 BoogieIcfgContainer [2020-10-14 03:20:43,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:20:43,549 INFO L168 Benchmark]: Toolchain (without parser) took 81670.14 ms. Allocated memory was 148.4 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 103.0 MB in the beginning and 633.4 MB in the end (delta: -530.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-14 03:20:43,550 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 123.0 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 03:20:43,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.45 ms. Allocated memory was 148.4 MB in the beginning and 209.2 MB in the end (delta: 60.8 MB). Free memory was 102.6 MB in the beginning and 171.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:43,551 INFO L168 Benchmark]: Boogie Preprocessor took 124.74 ms. Allocated memory is still 209.2 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:43,552 INFO L168 Benchmark]: RCFGBuilder took 1580.79 ms. Allocated memory was 209.2 MB in the beginning and 237.5 MB in the end (delta: 28.3 MB). Free memory was 166.1 MB in the beginning and 153.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:43,552 INFO L168 Benchmark]: TraceAbstraction took 79125.93 ms. Allocated memory was 237.5 MB in the beginning and 1.2 GB in the end (delta: 997.2 MB). Free memory was 151.8 MB in the beginning and 633.4 MB in the end (delta: -481.7 MB). Peak memory consumption was 998.3 MB. Max. memory is 7.1 GB. [2020-10-14 03:20:43,556 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 123.0 MB in the beginning and 122.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 830.45 ms. Allocated memory was 148.4 MB in the beginning and 209.2 MB in the end (delta: 60.8 MB). Free memory was 102.6 MB in the beginning and 171.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.74 ms. Allocated memory is still 209.2 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1580.79 ms. Allocated memory was 209.2 MB in the beginning and 237.5 MB in the end (delta: 28.3 MB). Free memory was 166.1 MB in the beginning and 153.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 79125.93 ms. Allocated memory was 237.5 MB in the beginning and 1.2 GB in the end (delta: 997.2 MB). Free memory was 151.8 MB in the beginning and 633.4 MB in the end (delta: -481.7 MB). Peak memory consumption was 998.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((7 == a15 || 5 == a15) || 8 == \old(a21)) || (a15 == 8 && 10 <= a21)) || (82 <= a12 && a15 == 8)) || !(8 == \old(a15))) || !(\old(a12) <= 10)) || a12 <= 80) || a21 == 9) || 9 == \old(a21)) || a15 == 9) || (82 <= a12 && a21 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 75.6s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 26.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 6506 SDslu, 437 SDs, 0 SdLazy, 15491 SolverSat, 2573 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 118 SyntacticMatches, 2 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7890occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 2880 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 291 PreInvPairs, 459 NumberOfFragments, 334 HoareAnnotationTreeSize, 291 FomulaSimplifications, 8350430 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5539 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 45.8s InterpolantComputationTime, 3740 NumberOfCodeBlocks, 3740 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3727 ConstructedInterpolants, 0 QuantifiedInterpolants, 2543771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 3156/3451 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...