/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:54:17,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:54:17,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:54:17,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:54:17,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:54:17,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:54:17,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:54:17,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:54:17,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:54:17,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:54:17,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:54:17,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:54:17,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:54:17,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:54:17,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:54:17,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:54:17,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:54:17,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:54:17,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:54:17,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:54:17,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:54:17,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:54:17,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:54:17,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:54:17,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:54:17,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:54:17,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:54:17,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:54:17,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:54:17,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:54:17,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:54:17,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:54:17,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:54:17,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:54:17,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:54:17,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:54:17,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:54:17,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:54:17,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:54:17,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:54:17,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:54:17,547 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 20:54:17,580 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:54:17,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:54:17,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:54:17,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:54:17,583 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:54:17,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:54:17,584 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:54:17,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:54:17,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:54:17,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:54:17,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:54:17,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:54:17,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:54:17,587 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:54:17,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:54:17,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:54:17,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:54:17,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:54:17,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:54:17,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:54:17,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:54:17,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:54:17,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:54:17,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:54:17,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:54:17,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:54:17,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:54:17,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:54:17,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:54:17,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:54:17,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:54:17,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:54:17,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:54:17,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:54:17,987 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:54:17,988 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-10-14 20:54:18,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/876334b4d/325a1546ecc44afd9d0a28fc835cbab7/FLAG55fffca1c [2020-10-14 20:54:18,550 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:54:18,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-10-14 20:54:18,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/876334b4d/325a1546ecc44afd9d0a28fc835cbab7/FLAG55fffca1c [2020-10-14 20:54:18,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/876334b4d/325a1546ecc44afd9d0a28fc835cbab7 [2020-10-14 20:54:18,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:54:18,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:54:18,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:54:18,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:54:18,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:54:18,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:54:18" (1/1) ... [2020-10-14 20:54:18,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243026c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:18, skipping insertion in model container [2020-10-14 20:54:18,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:54:18" (1/1) ... [2020-10-14 20:54:18,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:54:18,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:54:19,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:19,317 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:54:19,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:54:19,563 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:54:19,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19 WrapperNode [2020-10-14 20:54:19,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:54:19,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:54:19,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:54:19,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:54:19,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19" (1/1) ... [2020-10-14 20:54:19,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19" (1/1) ... [2020-10-14 20:54:19,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19" (1/1) ... [2020-10-14 20:54:19,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19" (1/1) ... [2020-10-14 20:54:19,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19" (1/1) ... [2020-10-14 20:54:19,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19" (1/1) ... [2020-10-14 20:54:19,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19" (1/1) ... [2020-10-14 20:54:19,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:54:19,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:54:19,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:54:19,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:54:19,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19" (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 20:54:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:54:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:54:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:54:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:54:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:54:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:54:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:54:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:54:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:54:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:54:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:54:21,005 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:54:21,005 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:54:21,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:21 BoogieIcfgContainer [2020-10-14 20:54:21,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:54:21,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:54:21,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:54:21,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:54:21,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:54:18" (1/3) ... [2020-10-14 20:54:21,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3ceada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:21, skipping insertion in model container [2020-10-14 20:54:21,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:54:19" (2/3) ... [2020-10-14 20:54:21,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3ceada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:54:21, skipping insertion in model container [2020-10-14 20:54:21,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:54:21" (3/3) ... [2020-10-14 20:54:21,021 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2020-10-14 20:54:21,032 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:54:21,041 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:54:21,056 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:54:21,084 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:54:21,084 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:54:21,085 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:54:21,085 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:54:21,085 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:54:21,085 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:54:21,086 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:54:21,086 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:54:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-14 20:54:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 20:54:21,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:21,121 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] [2020-10-14 20:54:21,122 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:21,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:21,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1515832586, now seen corresponding path program 1 times [2020-10-14 20:54:21,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:21,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418211449] [2020-10-14 20:54:21,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 20:54:21,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-10-14 20:54:21,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:21,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:21,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 20:54:21,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:54:21,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:21,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:21,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:21,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:21,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 20:54:21,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:21,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:21,903 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 20:54:21,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418211449] [2020-10-14 20:54:21,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:54:21,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:54:21,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920443341] [2020-10-14 20:54:21,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:54:21,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:21,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:54:21,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:54:21,937 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-14 20:54:23,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:23,538 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-14 20:54:23,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:23,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-14 20:54:23,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:23,577 INFO L225 Difference]: With dead ends: 581 [2020-10-14 20:54:23,577 INFO L226 Difference]: Without dead ends: 302 [2020-10-14 20:54:23,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:23,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-14 20:54:23,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-14 20:54:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-14 20:54:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-14 20:54:23,671 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 47 [2020-10-14 20:54:23,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:23,673 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-14 20:54:23,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:54:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-14 20:54:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 20:54:23,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:23,680 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:23,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:54:23,680 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:23,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:23,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1094514294, now seen corresponding path program 1 times [2020-10-14 20:54:23,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:23,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180766826] [2020-10-14 20:54:23,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:23,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:23,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:24,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:24,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:24,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 20:54:24,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:54:24,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-10-14 20:54:24,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:24,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:24,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 20:54:24,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:54:24,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-14 20:54:24,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:24,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:24,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:24,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:24,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:24,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:24,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:54:24,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:24,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:54:24,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:24,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:24,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:24,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:25,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:25,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:54:25,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:25,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 20:54:25,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:25,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:25,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:54:25,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 20:54:25,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180766826] [2020-10-14 20:54:25,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:25,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:54:25,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324113815] [2020-10-14 20:54:25,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:25,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:25,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:25,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:25,095 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 7 states. [2020-10-14 20:54:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:26,528 INFO L93 Difference]: Finished difference Result 912 states and 1338 transitions. [2020-10-14 20:54:26,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:54:26,528 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2020-10-14 20:54:26,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:26,534 INFO L225 Difference]: With dead ends: 912 [2020-10-14 20:54:26,535 INFO L226 Difference]: Without dead ends: 622 [2020-10-14 20:54:26,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 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 20:54:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2020-10-14 20:54:26,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 596. [2020-10-14 20:54:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-14 20:54:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 766 transitions. [2020-10-14 20:54:26,616 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 766 transitions. Word has length 119 [2020-10-14 20:54:26,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:26,617 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 766 transitions. [2020-10-14 20:54:26,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:26,618 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 766 transitions. [2020-10-14 20:54:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-14 20:54:26,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:26,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:54:26,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:54:26,628 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:26,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:26,628 INFO L82 PathProgramCache]: Analyzing trace with hash -446355495, now seen corresponding path program 1 times [2020-10-14 20:54:26,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:26,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1897549765] [2020-10-14 20:54:26,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:26,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:26,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:27,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 20:54:27,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:27,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 493 [2020-10-14 20:54:27,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:27,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:27,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:27,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 20:54:27,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:27,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:27,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:27,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:27,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:27,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:27,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:27,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:27,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:27,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:27,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:27,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:27,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:27,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:27,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:27,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 20:54:27,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:27,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:27,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:27,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:27,425 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:54:27,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1897549765] [2020-10-14 20:54:27,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:27,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:27,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524210797] [2020-10-14 20:54:27,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:27,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:27,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:27,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:27,428 INFO L87 Difference]: Start difference. First operand 596 states and 766 transitions. Second operand 5 states. [2020-10-14 20:54:30,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:30,965 INFO L93 Difference]: Finished difference Result 1484 states and 1994 transitions. [2020-10-14 20:54:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:30,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-14 20:54:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:30,977 INFO L225 Difference]: With dead ends: 1484 [2020-10-14 20:54:30,977 INFO L226 Difference]: Without dead ends: 894 [2020-10-14 20:54:30,979 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 20:54:30,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-14 20:54:31,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 890. [2020-10-14 20:54:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-10-14 20:54:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1133 transitions. [2020-10-14 20:54:31,017 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1133 transitions. Word has length 126 [2020-10-14 20:54:31,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:31,018 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1133 transitions. [2020-10-14 20:54:31,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:31,018 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1133 transitions. [2020-10-14 20:54:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-14 20:54:31,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:31,025 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:54:31,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:54:31,026 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:31,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:31,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2102240106, now seen corresponding path program 1 times [2020-10-14 20:54:31,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:31,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255235828] [2020-10-14 20:54:31,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:31,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:31,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:31,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:32,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:32,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:32,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-14 20:54:32,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:32,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1846 [2020-10-14 20:54:32,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:32,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 20:54:32,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:54:32,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 20:54:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:33,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:33,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:33,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:33,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:33,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:33,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:33,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:33,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:33,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:33,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:33,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 20:54:33,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:33,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 20:54:33,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:33,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:33,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:33,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:33,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:33,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:33,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 20:54:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:33,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:33,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:33,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 20:54:33,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-14 20:54:33,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:33,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 20:54:33,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 150 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:33,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255235828] [2020-10-14 20:54:33,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:33,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:33,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560959955] [2020-10-14 20:54:33,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:33,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:33,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:33,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:33,401 INFO L87 Difference]: Start difference. First operand 890 states and 1133 transitions. Second operand 7 states. [2020-10-14 20:54:35,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:35,093 INFO L93 Difference]: Finished difference Result 2247 states and 2942 transitions. [2020-10-14 20:54:35,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:54:35,094 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-10-14 20:54:35,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:35,104 INFO L225 Difference]: With dead ends: 2247 [2020-10-14 20:54:35,104 INFO L226 Difference]: Without dead ends: 1071 [2020-10-14 20:54:35,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:35,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2020-10-14 20:54:35,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1051. [2020-10-14 20:54:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2020-10-14 20:54:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1288 transitions. [2020-10-14 20:54:35,158 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1288 transitions. Word has length 199 [2020-10-14 20:54:35,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:35,159 INFO L479 AbstractCegarLoop]: Abstraction has 1051 states and 1288 transitions. [2020-10-14 20:54:35,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1288 transitions. [2020-10-14 20:54:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 20:54:35,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:35,165 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, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:35,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:54:35,166 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:35,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:35,166 INFO L82 PathProgramCache]: Analyzing trace with hash 271418902, now seen corresponding path program 1 times [2020-10-14 20:54:35,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:35,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1528734058] [2020-10-14 20:54:35,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:35,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:35,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:35,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:35,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:36,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-14 20:54:36,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:36,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1606 [2020-10-14 20:54:36,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:36,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 20:54:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 20:54:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:36,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:36,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:36,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:36,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:36,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:36,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:36,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:36,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:36,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:36,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:36,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:36,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 20:54:36,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:36,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 20:54:36,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:36,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:36,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:36,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 20:54:36,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:36,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 20:54:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:37,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:37,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:37,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:37,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:54:37,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:37,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 20:54:37,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:37,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:37,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:37,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:37,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:54:37,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:37,222 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 40 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:54:37,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1528734058] [2020-10-14 20:54:37,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:37,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:37,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296090912] [2020-10-14 20:54:37,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:37,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:37,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:37,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:37,225 INFO L87 Difference]: Start difference. First operand 1051 states and 1288 transitions. Second operand 7 states. [2020-10-14 20:54:38,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:38,964 INFO L93 Difference]: Finished difference Result 2563 states and 3226 transitions. [2020-10-14 20:54:38,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 20:54:38,965 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-10-14 20:54:38,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:38,975 INFO L225 Difference]: With dead ends: 2563 [2020-10-14 20:54:38,975 INFO L226 Difference]: Without dead ends: 1369 [2020-10-14 20:54:38,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 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 20:54:38,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2020-10-14 20:54:39,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1206. [2020-10-14 20:54:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-10-14 20:54:39,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1451 transitions. [2020-10-14 20:54:39,033 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1451 transitions. Word has length 207 [2020-10-14 20:54:39,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:39,033 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1451 transitions. [2020-10-14 20:54:39,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1451 transitions. [2020-10-14 20:54:39,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-14 20:54:39,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:39,038 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:39,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:54:39,038 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:39,039 INFO L82 PathProgramCache]: Analyzing trace with hash 762422009, now seen corresponding path program 1 times [2020-10-14 20:54:39,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:39,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212930845] [2020-10-14 20:54:39,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:39,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:39,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:39,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:42,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:42,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 20:54:42,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:42,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3608 [2020-10-14 20:54:42,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:42,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:54:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:54:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:42,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:42,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:42,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:42,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:54:42,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:42,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:42,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:42,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:42,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:42,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:54:42,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:42,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 20:54:42,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:42,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:54:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:54:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:54:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:42,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:42,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:42,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:54:42,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 20:54:42,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:42,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:42,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:42,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:42,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-14 20:54:42,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:43,079 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:43,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212930845] [2020-10-14 20:54:43,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:43,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 20:54:43,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727095179] [2020-10-14 20:54:43,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 20:54:43,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:43,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 20:54:43,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:54:43,084 INFO L87 Difference]: Start difference. First operand 1206 states and 1451 transitions. Second operand 8 states. [2020-10-14 20:54:44,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:44,652 INFO L93 Difference]: Finished difference Result 2716 states and 3392 transitions. [2020-10-14 20:54:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:44,653 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 214 [2020-10-14 20:54:44,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:44,664 INFO L225 Difference]: With dead ends: 2716 [2020-10-14 20:54:44,664 INFO L226 Difference]: Without dead ends: 1516 [2020-10-14 20:54:44,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 20:54:44,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2020-10-14 20:54:44,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1502. [2020-10-14 20:54:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1502 states. [2020-10-14 20:54:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 1892 transitions. [2020-10-14 20:54:44,732 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 1892 transitions. Word has length 214 [2020-10-14 20:54:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:44,732 INFO L479 AbstractCegarLoop]: Abstraction has 1502 states and 1892 transitions. [2020-10-14 20:54:44,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 20:54:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1892 transitions. [2020-10-14 20:54:44,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-14 20:54:44,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:44,737 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:54:44,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:54:44,738 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:44,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:44,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1540243501, now seen corresponding path program 1 times [2020-10-14 20:54:44,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:44,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474879044] [2020-10-14 20:54:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:44,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:44,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:45,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:47,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:48,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:49,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 20:54:49,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 20:54:49,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-14 20:54:49,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:49,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:54:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-14 20:54:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 20:54:49,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:49,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:49,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:49,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:49,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:49,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:49,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:49,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:49,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:49,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:50,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:50,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:54:50,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:50,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 20:54:50,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:50,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:50,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:50,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:50,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 20:54:50,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:50,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:54:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:50,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:50,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:50,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:50,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 20:54:50,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:54:50,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-14 20:54:50,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:50,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-14 20:54:50,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-14 20:54:50,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474879044] [2020-10-14 20:54:50,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:50,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:54:50,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295336351] [2020-10-14 20:54:50,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:54:50,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:50,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:54:50,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:54:50,311 INFO L87 Difference]: Start difference. First operand 1502 states and 1892 transitions. Second operand 5 states. [2020-10-14 20:54:51,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:51,571 INFO L93 Difference]: Finished difference Result 3008 states and 3804 transitions. [2020-10-14 20:54:51,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:54:51,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2020-10-14 20:54:51,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:51,585 INFO L225 Difference]: With dead ends: 3008 [2020-10-14 20:54:51,585 INFO L226 Difference]: Without dead ends: 1363 [2020-10-14 20:54:51,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:54:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-10-14 20:54:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1204. [2020-10-14 20:54:51,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-10-14 20:54:51,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1438 transitions. [2020-10-14 20:54:51,625 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1438 transitions. Word has length 224 [2020-10-14 20:54:51,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:51,625 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1438 transitions. [2020-10-14 20:54:51,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:54:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1438 transitions. [2020-10-14 20:54:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-14 20:54:51,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:51,631 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:51,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:54:51,632 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:51,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:51,632 INFO L82 PathProgramCache]: Analyzing trace with hash 619546762, now seen corresponding path program 1 times [2020-10-14 20:54:51,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:51,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256076917] [2020-10-14 20:54:51,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:51,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:51,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:51,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:52,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:56,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:56,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-14 20:54:56,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:54:56,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4938 [2020-10-14 20:54:56,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:56,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:56,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:56,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 20:54:56,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 20:54:56,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:56,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:54:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:56,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:56,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:56,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:54:56,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:56,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:54:56,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:56,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:56,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:54:56,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:56,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:54:56,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:54:56,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:54:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:56,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:56,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:56,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 20:54:56,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 20:54:56,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:56,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:54:56,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:54:56,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 20:54:56,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:56,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 20:54:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:56,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:57,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:54:57,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:54:57,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:54:57,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-14 20:54:57,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:54:57,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:54:57,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:54:57,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:54:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 20:54:57,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:54:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:54:57,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256076917] [2020-10-14 20:54:57,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:54:57,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:54:57,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846660512] [2020-10-14 20:54:57,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:54:57,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:54:57,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:54:57,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:54:57,223 INFO L87 Difference]: Start difference. First operand 1204 states and 1438 transitions. Second operand 7 states. [2020-10-14 20:54:58,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:54:58,976 INFO L93 Difference]: Finished difference Result 3165 states and 3824 transitions. [2020-10-14 20:54:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:54:58,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 243 [2020-10-14 20:54:58,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:54:58,987 INFO L225 Difference]: With dead ends: 3165 [2020-10-14 20:54:58,987 INFO L226 Difference]: Without dead ends: 1967 [2020-10-14 20:54:58,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:54:58,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2020-10-14 20:54:59,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1802. [2020-10-14 20:54:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1802 states. [2020-10-14 20:54:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2160 transitions. [2020-10-14 20:54:59,043 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2160 transitions. Word has length 243 [2020-10-14 20:54:59,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:54:59,044 INFO L479 AbstractCegarLoop]: Abstraction has 1802 states and 2160 transitions. [2020-10-14 20:54:59,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:54:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2160 transitions. [2020-10-14 20:54:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-14 20:54:59,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:54:59,050 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:54:59,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:54:59,050 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:54:59,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:54:59,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1818552278, now seen corresponding path program 1 times [2020-10-14 20:54:59,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:54:59,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419715710] [2020-10-14 20:54:59,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:54:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:54:59,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:59,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:54:59,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-14 20:55:02,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:02,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3274 [2020-10-14 20:55:02,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:55:02,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:55:02,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 20:55:02,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:02,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:02,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 20:55:02,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:55:02,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:02,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:55:02,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:02,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-14 20:55:02,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:55:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 20:55:02,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 20:55:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:02,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:02,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:02,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:55:02,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:02,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 20:55:02,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:02,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:55:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:02,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 80 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 20:55:03,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419715710] [2020-10-14 20:55:03,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:03,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:03,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757248555] [2020-10-14 20:55:03,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:03,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:03,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:03,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:03,011 INFO L87 Difference]: Start difference. First operand 1802 states and 2160 transitions. Second operand 7 states. [2020-10-14 20:55:04,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:04,622 INFO L93 Difference]: Finished difference Result 3755 states and 4489 transitions. [2020-10-14 20:55:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:55:04,623 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-10-14 20:55:04,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:04,633 INFO L225 Difference]: With dead ends: 3755 [2020-10-14 20:55:04,633 INFO L226 Difference]: Without dead ends: 1959 [2020-10-14 20:55:04,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:55:04,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2020-10-14 20:55:04,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1945. [2020-10-14 20:55:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2020-10-14 20:55:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2310 transitions. [2020-10-14 20:55:04,688 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2310 transitions. Word has length 253 [2020-10-14 20:55:04,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:04,688 INFO L479 AbstractCegarLoop]: Abstraction has 1945 states and 2310 transitions. [2020-10-14 20:55:04,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:04,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2310 transitions. [2020-10-14 20:55:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-14 20:55:04,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:04,698 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:55:04,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:55:04,699 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:04,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:04,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1983690497, now seen corresponding path program 1 times [2020-10-14 20:55:04,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:04,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480141364] [2020-10-14 20:55:04,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:04,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:05,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:06,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:06,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-10-14 20:55:06,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:55:06,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1934 [2020-10-14 20:55:06,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:06,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:06,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:06,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 20:55:06,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 20:55:06,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:06,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:06,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:06,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:06,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:06,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:55:06,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:06,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:06,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:06,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:06,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:06,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:06,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 20:55:06,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:06,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 20:55:06,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:06,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-14 20:55:06,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:06,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 20:55:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:06,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:07,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:07,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:55:07,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 20:55:07,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:07,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:55:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 20:55:07,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:07,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 20:55:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:07,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:07,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:07,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:55:07,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:07,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 20:55:07,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:07,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:07,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:07,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 20:55:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:07,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:07,461 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 208 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-14 20:55:07,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480141364] [2020-10-14 20:55:07,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:07,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:55:07,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389259016] [2020-10-14 20:55:07,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:55:07,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:07,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:55:07,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:55:07,463 INFO L87 Difference]: Start difference. First operand 1945 states and 2310 transitions. Second operand 7 states. [2020-10-14 20:55:09,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:09,188 INFO L93 Difference]: Finished difference Result 4059 states and 4903 transitions. [2020-10-14 20:55:09,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:55:09,188 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 368 [2020-10-14 20:55:09,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:09,198 INFO L225 Difference]: With dead ends: 4059 [2020-10-14 20:55:09,199 INFO L226 Difference]: Without dead ends: 2263 [2020-10-14 20:55:09,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:55:09,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-10-14 20:55:09,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2245. [2020-10-14 20:55:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2245 states. [2020-10-14 20:55:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2641 transitions. [2020-10-14 20:55:09,261 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2641 transitions. Word has length 368 [2020-10-14 20:55:09,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:09,262 INFO L479 AbstractCegarLoop]: Abstraction has 2245 states and 2641 transitions. [2020-10-14 20:55:09,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:55:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2641 transitions. [2020-10-14 20:55:09,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-10-14 20:55:09,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:55:09,273 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 20:55:09,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:55:09,274 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:55:09,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:55:09,274 INFO L82 PathProgramCache]: Analyzing trace with hash -822510094, now seen corresponding path program 1 times [2020-10-14 20:55:09,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:55:09,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11989618] [2020-10-14 20:55:09,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:55:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:09,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:09,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 401 [2020-10-14 20:55:10,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:55:10,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1302 [2020-10-14 20:55:10,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:55:10,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-14 20:55:10,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 20:55:10,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:10,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:55:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:55:10,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:55:10,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:10,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:10,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:55:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 20:55:10,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 20:55:10,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:10,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:10,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 20:55:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 20:55:10,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 20:55:10,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:55:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:55:10,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:55:10,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-14 20:55:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:55:10,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:55:10,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:55:10,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 20:55:10,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:55:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 20:55:10,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:55:10,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:55:10,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:55:10,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:55:10,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-14 20:55:10,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:55:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-14 20:55:11,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11989618] [2020-10-14 20:55:11,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:55:11,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:55:11,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085267589] [2020-10-14 20:55:11,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:55:11,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:55:11,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:55:11,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:55:11,038 INFO L87 Difference]: Start difference. First operand 2245 states and 2641 transitions. Second operand 5 states. [2020-10-14 20:55:12,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:55:12,315 INFO L93 Difference]: Finished difference Result 4631 states and 5465 transitions. [2020-10-14 20:55:12,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:55:12,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 387 [2020-10-14 20:55:12,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:55:12,317 INFO L225 Difference]: With dead ends: 4631 [2020-10-14 20:55:12,317 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:55:12,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:55:12,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:55:12,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:55:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:55:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:55:12,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2020-10-14 20:55:12,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:55:12,327 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:55:12,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:55:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:55:12,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:55:12,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 20:55:12,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:55:12,738 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 85 [2020-10-14 20:55:12,950 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 85 [2020-10-14 20:55:13,294 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2020-10-14 20:55:13,481 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2020-10-14 20:55:13,673 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 25 [2020-10-14 20:55:13,676 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:55:13,677 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-14 20:55:13,677 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:55:13,677 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-14 20:55:13,677 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,678 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,678 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,678 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,678 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,678 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,679 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-14 20:55:13,679 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-14 20:55:13,679 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 20:55:13,679 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 20:55:13,679 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 20:55:13,679 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 20:55:13,679 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 20:55:13,679 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 20:55:13,680 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-14 20:55:13,680 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-14 20:55:13,680 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-14 20:55:13,680 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,680 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,680 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,680 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,680 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,680 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-14 20:55:13,681 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-14 20:55:13,682 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-14 20:55:13,682 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-14 20:55:13,682 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2020-10-14 20:55:13,682 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-14 20:55:13,682 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,682 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,682 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,682 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,683 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,683 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-14 20:55:13,683 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 20:55:13,683 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 20:55:13,683 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 20:55:13,683 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 20:55:13,683 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 20:55:13,683 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-14 20:55:13,683 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-14 20:55:13,684 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-14 20:55:13,684 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-14 20:55:13,684 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,684 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,684 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,684 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,684 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,684 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-14 20:55:13,685 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-14 20:55:13,686 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-14 20:55:13,686 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-14 20:55:13,686 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,686 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,686 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,686 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,686 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,686 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 20:55:13,686 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 20:55:13,687 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 20:55:13,687 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 20:55:13,687 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 20:55:13,687 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-14 20:55:13,687 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-14 20:55:13,687 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-14 20:55:13,687 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-14 20:55:13,687 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,687 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,688 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,688 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,688 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,688 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,688 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,688 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-14 20:55:13,688 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-14 20:55:13,688 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-14 20:55:13,689 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-14 20:55:13,690 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,690 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,690 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,690 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,690 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 20:55:13,690 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,690 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,690 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-14 20:55:13,691 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-14 20:55:13,691 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-14 20:55:13,691 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 20:55:13,691 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 20:55:13,691 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 20:55:13,691 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 20:55:13,691 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 20:55:13,691 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,692 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,693 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-14 20:55:13,693 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-14 20:55:13,693 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-14 20:55:13,693 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 20:55:13,693 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 20:55:13,693 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 20:55:13,693 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 20:55:13,693 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 20:55:13,693 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 20:55:13,694 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-14 20:55:13,694 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-14 20:55:13,694 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (not (= |old(~a10~0)| 1)) .cse0) (or (not (<= 4 |old(~a10~0)|)) .cse0) (or .cse0 (not (= 9 |old(~a19~0)|))) (or (not (= 6 |old(~a19~0)|)) .cse0) (or .cse0 (not (= 2 |old(~a10~0)|))) (or .cse0 (not (= 0 |old(~a10~0)|))))) [2020-10-14 20:55:13,694 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-14 20:55:13,694 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-14 20:55:13,694 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-14 20:55:13,694 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,694 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,694 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,695 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,695 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,695 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,695 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-14 20:55:13,695 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 20:55:13,695 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 20:55:13,695 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 20:55:13,695 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 20:55:13,695 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,696 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 20:55:13,697 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,698 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 20:55:13,699 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 20:55:13,700 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-14 20:55:13,700 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-14 20:55:13,700 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-14 20:55:13,700 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:55:13,700 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-14 20:55:13,700 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:55:13,700 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:55:13,700 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-14 20:55:13,701 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:55:13,701 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (= ~a10~0 1) (= ~a10~0 2) (= ~a10~0 0) (<= 4 ~a10~0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (= ~a19~0 6) (not (= 23 |old(~a1~0)|))) [2020-10-14 20:55:13,701 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-14 20:55:13,701 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 20:55:13,701 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (= ~a10~0 1) (= ~a10~0 2) (= ~a10~0 0) (<= 4 ~a10~0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (= ~a19~0 6) (not (= 23 |old(~a1~0)|))) [2020-10-14 20:55:13,701 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-14 20:55:13,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:55:13 BoogieIcfgContainer [2020-10-14 20:55:13,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:55:13,727 INFO L168 Benchmark]: Toolchain (without parser) took 54894.65 ms. Allocated memory was 144.7 MB in the beginning and 918.6 MB in the end (delta: 773.8 MB). Free memory was 100.0 MB in the beginning and 672.1 MB in the end (delta: -572.1 MB). Peak memory consumption was 759.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:13,728 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.3 MB in the beginning and 118.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 20:55:13,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.91 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.6 MB in the beginning and 169.0 MB in the end (delta: -69.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:13,730 INFO L168 Benchmark]: Boogie Preprocessor took 113.94 ms. Allocated memory is still 202.4 MB. Free memory was 169.0 MB in the beginning and 163.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:13,731 INFO L168 Benchmark]: RCFGBuilder took 1333.34 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 163.8 MB in the beginning and 179.4 MB in the end (delta: -15.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:13,732 INFO L168 Benchmark]: TraceAbstraction took 52709.78 ms. Allocated memory was 233.8 MB in the beginning and 918.6 MB in the end (delta: 684.7 MB). Free memory was 179.4 MB in the beginning and 672.1 MB in the end (delta: -492.7 MB). Peak memory consumption was 749.6 MB. Max. memory is 7.1 GB. [2020-10-14 20:55:13,737 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.3 MB in the beginning and 118.8 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.91 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.6 MB in the beginning and 169.0 MB in the end (delta: -69.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.94 ms. Allocated memory is still 202.4 MB. Free memory was 169.0 MB in the beginning and 163.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1333.34 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 163.8 MB in the beginning and 179.4 MB in the end (delta: -15.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52709.78 ms. Allocated memory was 233.8 MB in the beginning and 918.6 MB in the end (delta: 684.7 MB). Free memory was 179.4 MB in the beginning and 672.1 MB in the end (delta: -492.7 MB). Peak memory consumption was 749.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: 582]: Loop Invariant Derived loop invariant: (((((((a10 == 1 || a10 == 2) || a10 == 0) || 4 <= a10) || !(9 == \old(a19))) || a19 == 9) || !(0 == \old(a10))) || a19 == 6) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 3627 SDslu, 408 SDs, 0 SdLazy, 10006 SolverSat, 1168 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2245occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 589 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 111 PreInvPairs, 153 NumberOfFragments, 218 HoareAnnotationTreeSize, 111 FomulaSimplifications, 226976 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16162 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 29.7s InterpolantComputationTime, 2387 NumberOfCodeBlocks, 2387 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2376 ConstructedInterpolants, 0 QuantifiedInterpolants, 1369624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 1596/1853 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...