/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:32:16,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:32:16,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:32:16,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:32:16,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:32:16,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:32:16,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:32:16,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:32:16,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:32:16,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:32:16,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:32:16,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:32:16,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:32:16,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:32:16,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:32:16,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:32:16,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:32:16,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:32:16,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:32:16,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:32:16,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:32:16,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:32:16,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:32:16,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:32:16,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:32:16,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:32:16,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:32:16,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:32:16,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:32:16,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:32:16,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:32:16,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:32:16,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:32:16,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:32:16,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:32:16,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:32:16,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:32:16,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:32:16,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:32:16,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:32:16,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:32:16,891 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 [2020-09-21 12:32:16,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:32:16,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:32:16,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:32:16,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:32:16,924 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:32:16,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:32:16,924 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:32:16,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:32:16,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:32:16,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:32:16,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:32:16,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:32:16,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:32:16,926 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:32:16,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:32:16,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:32:16,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:32:16,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:32:16,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:32:16,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:32:16,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:32:16,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:32:16,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:32:16,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:32:16,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:32:16,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:32:16,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:32:16,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:32:16,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:32:16,931 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:32:17,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:32:17,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:32:17,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:32:17,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:32:17,459 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:32:17,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-09-21 12:32:17,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61c530001/c06a56e6d6ff4db58ea9dc18db39f5ba/FLAGe1a8f7c0d [2020-09-21 12:32:18,267 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:32:18,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label01.c [2020-09-21 12:32:18,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61c530001/c06a56e6d6ff4db58ea9dc18db39f5ba/FLAGe1a8f7c0d [2020-09-21 12:32:18,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61c530001/c06a56e6d6ff4db58ea9dc18db39f5ba [2020-09-21 12:32:18,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:32:18,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:32:18,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:32:18,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:32:18,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:32:18,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:32:18" (1/1) ... [2020-09-21 12:32:18,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5957f606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:18, skipping insertion in model container [2020-09-21 12:32:18,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:32:18" (1/1) ... [2020-09-21 12:32:18,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:32:18,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:32:19,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:32:19,171 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:32:19,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:32:19,393 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:32:19,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19 WrapperNode [2020-09-21 12:32:19,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:32:19,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:32:19,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:32:19,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:32:19,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19" (1/1) ... [2020-09-21 12:32:19,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19" (1/1) ... [2020-09-21 12:32:19,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19" (1/1) ... [2020-09-21 12:32:19,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19" (1/1) ... [2020-09-21 12:32:19,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19" (1/1) ... [2020-09-21 12:32:19,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19" (1/1) ... [2020-09-21 12:32:19,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19" (1/1) ... [2020-09-21 12:32:19,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:32:19,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:32:19,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:32:19,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:32:19,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19" (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 [2020-09-21 12:32:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:32:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:32:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:32:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:32:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:32:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:32:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:32:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:32:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:32:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:32:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:32:21,293 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:32:21,294 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:32:21,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:32:21 BoogieIcfgContainer [2020-09-21 12:32:21,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:32:21,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:32:21,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:32:21,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:32:21,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:32:18" (1/3) ... [2020-09-21 12:32:21,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1104ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:32:21, skipping insertion in model container [2020-09-21 12:32:21,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:32:19" (2/3) ... [2020-09-21 12:32:21,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1104ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:32:21, skipping insertion in model container [2020-09-21 12:32:21,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:32:21" (3/3) ... [2020-09-21 12:32:21,313 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label01.c [2020-09-21 12:32:21,328 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:32:21,339 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:32:21,362 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:32:21,397 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:32:21,398 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:32:21,398 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:32:21,398 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:32:21,398 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:32:21,398 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:32:21,399 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:32:21,399 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:32:21,427 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-09-21 12:32:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:32:21,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:21,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:21,441 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:21,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:21,449 INFO L82 PathProgramCache]: Analyzing trace with hash -184228989, now seen corresponding path program 1 times [2020-09-21 12:32:21,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:21,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [315199473] [2020-09-21 12:32:21,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:21,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:22,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:22,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 12:32:22,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:22,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 609 [2020-09-21 12:32:22,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:32:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:32:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 12:32:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:32:22,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:22,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:22,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:22,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:22,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:22,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:32:22,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:22,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:22,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:32:22,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:22,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:22,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [315199473] [2020-09-21 12:32:22,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:32:22,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:32:22,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345652999] [2020-09-21 12:32:22,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:22,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:22,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:22,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:22,566 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-09-21 12:32:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:25,347 INFO L93 Difference]: Finished difference Result 886 states and 1612 transitions. [2020-09-21 12:32:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:32:25,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 12:32:25,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:25,395 INFO L225 Difference]: With dead ends: 886 [2020-09-21 12:32:25,395 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 12:32:25,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:25,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 12:32:25,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-09-21 12:32:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-21 12:32:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 861 transitions. [2020-09-21 12:32:25,532 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 861 transitions. Word has length 60 [2020-09-21 12:32:25,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:25,533 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 861 transitions. [2020-09-21 12:32:25,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 861 transitions. [2020-09-21 12:32:25,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 12:32:25,548 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:25,549 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:25,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:32:25,551 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:25,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:25,551 INFO L82 PathProgramCache]: Analyzing trace with hash 2117260534, now seen corresponding path program 1 times [2020-09-21 12:32:25,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:25,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366108735] [2020-09-21 12:32:25,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:25,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:25,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:26,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:26,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-09-21 12:32:26,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:26,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-21 12:32:26,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:26,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-09-21 12:32:26,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:32:26,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:26,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:26,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:26,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:26,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:26,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:26,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:26,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:26,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:26,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:26,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:26,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:26,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 12:32:26,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:26,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-21 12:32:26,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 12:32:26,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:27,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366108735] [2020-09-21 12:32:27,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:27,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:27,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742779179] [2020-09-21 12:32:27,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:27,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:27,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:27,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:27,054 INFO L87 Difference]: Start difference. First operand 560 states and 861 transitions. Second operand 5 states. [2020-09-21 12:32:28,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:28,268 INFO L93 Difference]: Finished difference Result 1143 states and 1757 transitions. [2020-09-21 12:32:28,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:28,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2020-09-21 12:32:28,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:28,273 INFO L225 Difference]: With dead ends: 1143 [2020-09-21 12:32:28,274 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 12:32:28,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:28,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 12:32:28,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-09-21 12:32:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-21 12:32:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 858 transitions. [2020-09-21 12:32:28,319 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 858 transitions. Word has length 154 [2020-09-21 12:32:28,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:28,322 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 858 transitions. [2020-09-21 12:32:28,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 858 transitions. [2020-09-21 12:32:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-21 12:32:28,332 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:28,332 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:28,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:32:28,332 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:28,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:28,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1978989297, now seen corresponding path program 1 times [2020-09-21 12:32:28,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:28,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903674003] [2020-09-21 12:32:28,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:28,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:28,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:29,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:29,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:29,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-21 12:32:29,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:29,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:32:29,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:29,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-09-21 12:32:29,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 12:32:29,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:29,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:29,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:29,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:29,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:29,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:29,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:29,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:29,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:29,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:29,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:29,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:29,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 12:32:29,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:29,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-21 12:32:29,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:29,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-21 12:32:29,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:29,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903674003] [2020-09-21 12:32:29,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:29,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:29,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257555459] [2020-09-21 12:32:29,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:29,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:29,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:29,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:29,808 INFO L87 Difference]: Start difference. First operand 560 states and 858 transitions. Second operand 5 states. [2020-09-21 12:32:31,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:31,105 INFO L93 Difference]: Finished difference Result 1141 states and 1749 transitions. [2020-09-21 12:32:31,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:31,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2020-09-21 12:32:31,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:31,115 INFO L225 Difference]: With dead ends: 1141 [2020-09-21 12:32:31,115 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 12:32:31,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:31,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 12:32:31,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-09-21 12:32:31,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-21 12:32:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 855 transitions. [2020-09-21 12:32:31,138 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 855 transitions. Word has length 159 [2020-09-21 12:32:31,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:31,139 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 855 transitions. [2020-09-21 12:32:31,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:31,139 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 855 transitions. [2020-09-21 12:32:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-21 12:32:31,142 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:31,142 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:31,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:32:31,142 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:31,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:31,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1345734182, now seen corresponding path program 1 times [2020-09-21 12:32:31,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:31,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [683770765] [2020-09-21 12:32:31,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:31,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:31,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:32,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:32,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-21 12:32:32,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1024 [2020-09-21 12:32:32,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-21 12:32:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:32:32,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:32,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:32,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:32,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:32,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:32,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:32,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:32,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:32,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:32,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:32,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:32,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:32,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:32,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 12:32:32,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:32,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-21 12:32:32,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-21 12:32:32,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:32,615 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:32,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [683770765] [2020-09-21 12:32:32,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:32,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:32,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369620887] [2020-09-21 12:32:32,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:32,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:32,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:32,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:32,619 INFO L87 Difference]: Start difference. First operand 560 states and 855 transitions. Second operand 5 states. [2020-09-21 12:32:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:33,793 INFO L93 Difference]: Finished difference Result 1137 states and 1739 transitions. [2020-09-21 12:32:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:33,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2020-09-21 12:32:33,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:33,800 INFO L225 Difference]: With dead ends: 1137 [2020-09-21 12:32:33,801 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 12:32:33,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:33,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 12:32:33,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-09-21 12:32:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-09-21 12:32:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 852 transitions. [2020-09-21 12:32:33,823 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 852 transitions. Word has length 194 [2020-09-21 12:32:33,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:33,823 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 852 transitions. [2020-09-21 12:32:33,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:33,824 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 852 transitions. [2020-09-21 12:32:33,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-21 12:32:33,827 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:33,827 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:32:33,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:32:33,827 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:33,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:33,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1698067270, now seen corresponding path program 1 times [2020-09-21 12:32:33,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:33,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295874392] [2020-09-21 12:32:33,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:33,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:34,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:34,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:34,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-21 12:32:34,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-21 12:32:34,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:34,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:34,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-09-21 12:32:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 12:32:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:34,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:34,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:34,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:34,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:34,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:34,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:32:34,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:34,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:34,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:34,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:34,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:34,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:35,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:35,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:35,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-09-21 12:32:35,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-21 12:32:35,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 12:32:35,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:35,265 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:32:35,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295874392] [2020-09-21 12:32:35,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:35,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:32:35,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67184914] [2020-09-21 12:32:35,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:32:35,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:35,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:32:35,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:32:35,268 INFO L87 Difference]: Start difference. First operand 560 states and 852 transitions. Second operand 5 states. [2020-09-21 12:32:37,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:37,198 INFO L93 Difference]: Finished difference Result 1670 states and 2578 transitions. [2020-09-21 12:32:37,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:32:37,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 200 [2020-09-21 12:32:37,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:37,208 INFO L225 Difference]: With dead ends: 1670 [2020-09-21 12:32:37,209 INFO L226 Difference]: Without dead ends: 1116 [2020-09-21 12:32:37,211 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 [2020-09-21 12:32:37,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-09-21 12:32:37,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1112. [2020-09-21 12:32:37,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-09-21 12:32:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1575 transitions. [2020-09-21 12:32:37,243 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1575 transitions. Word has length 200 [2020-09-21 12:32:37,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:37,244 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1575 transitions. [2020-09-21 12:32:37,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:32:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1575 transitions. [2020-09-21 12:32:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-21 12:32:37,248 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:37,248 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 12:32:37,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:32:37,249 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:37,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:37,249 INFO L82 PathProgramCache]: Analyzing trace with hash 328652488, now seen corresponding path program 1 times [2020-09-21 12:32:37,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:37,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289542537] [2020-09-21 12:32:37,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:37,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:37,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:38,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:38,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:38,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-21 12:32:38,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:38,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-09-21 12:32:38,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-09-21 12:32:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 12:32:38,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:38,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:38,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:38,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:38,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:38,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:32:38,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:38,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:38,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:38,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:38,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:38,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:32:38,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 12:32:38,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:32:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:38,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 12:32:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:38,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:38,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:38,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:32:38,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:38,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-21 12:32:38,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:38,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:38,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:38,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:32:38,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:32:38,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289542537] [2020-09-21 12:32:38,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:38,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:32:38,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820958676] [2020-09-21 12:32:38,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:38,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:38,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:38,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:38,760 INFO L87 Difference]: Start difference. First operand 1112 states and 1575 transitions. Second operand 7 states. [2020-09-21 12:32:41,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:41,388 INFO L93 Difference]: Finished difference Result 2670 states and 4089 transitions. [2020-09-21 12:32:41,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:32:41,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 219 [2020-09-21 12:32:41,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:41,401 INFO L225 Difference]: With dead ends: 2670 [2020-09-21 12:32:41,401 INFO L226 Difference]: Without dead ends: 1564 [2020-09-21 12:32:41,405 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:32:41,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2020-09-21 12:32:41,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1308. [2020-09-21 12:32:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1308 states. [2020-09-21 12:32:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1807 transitions. [2020-09-21 12:32:41,459 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1807 transitions. Word has length 219 [2020-09-21 12:32:41,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:41,460 INFO L479 AbstractCegarLoop]: Abstraction has 1308 states and 1807 transitions. [2020-09-21 12:32:41,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1807 transitions. [2020-09-21 12:32:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-21 12:32:41,464 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:41,465 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 12:32:41,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:32:41,465 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:41,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:41,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1526957379, now seen corresponding path program 1 times [2020-09-21 12:32:41,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:41,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608930830] [2020-09-21 12:32:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:41,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:41,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:41,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:42,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:42,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-21 12:32:42,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:42,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:32:42,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 12:32:42,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 12:32:42,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:42,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:42,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:42,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:42,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:42,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:32:42,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:42,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:42,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:42,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:42,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:42,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:42,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:42,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:32:42,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-21 12:32:42,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 12:32:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:42,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 12:32:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:42,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:42,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:42,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:32:42,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:42,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-21 12:32:42,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:32:42,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:32:43,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608930830] [2020-09-21 12:32:43,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:43,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:32:43,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987559568] [2020-09-21 12:32:43,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:43,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:43,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:43,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:43,140 INFO L87 Difference]: Start difference. First operand 1308 states and 1807 transitions. Second operand 7 states. [2020-09-21 12:32:45,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:45,727 INFO L93 Difference]: Finished difference Result 3224 states and 4705 transitions. [2020-09-21 12:32:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:32:45,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-09-21 12:32:45,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:45,740 INFO L225 Difference]: With dead ends: 3224 [2020-09-21 12:32:45,740 INFO L226 Difference]: Without dead ends: 1922 [2020-09-21 12:32:45,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:32:45,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2020-09-21 12:32:45,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1690. [2020-09-21 12:32:45,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1690 states. [2020-09-21 12:32:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2325 transitions. [2020-09-21 12:32:45,796 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2325 transitions. Word has length 222 [2020-09-21 12:32:45,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:45,797 INFO L479 AbstractCegarLoop]: Abstraction has 1690 states and 2325 transitions. [2020-09-21 12:32:45,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2325 transitions. [2020-09-21 12:32:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-21 12:32:45,802 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:45,803 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-09-21 12:32:45,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:32:45,803 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:45,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:45,804 INFO L82 PathProgramCache]: Analyzing trace with hash 403658543, now seen corresponding path program 1 times [2020-09-21 12:32:45,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:45,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397706860] [2020-09-21 12:32:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:45,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:46,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:46,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:46,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-21 12:32:46,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:46,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-21 12:32:46,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:46,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:32:46,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:32:46,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 12:32:46,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:46,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:46,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:46,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:46,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:46,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:46,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:32:46,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:46,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:46,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:46,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:32:46,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:46,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:46,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:47,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:47,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:32:47,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:47,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-21 12:32:47,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:47,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:47,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:47,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 12:32:47,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:32:47,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 12:32:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:47,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:47,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:47,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 12:32:47,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:47,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 12:32:47,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-09-21 12:32:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:47,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:47,361 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 106 proven. 74 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 12:32:47,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397706860] [2020-09-21 12:32:47,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:47,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:32:47,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906515104] [2020-09-21 12:32:47,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:32:47,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:47,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:32:47,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:32:47,364 INFO L87 Difference]: Start difference. First operand 1690 states and 2325 transitions. Second operand 8 states. [2020-09-21 12:32:49,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:49,175 INFO L93 Difference]: Finished difference Result 3394 states and 4707 transitions. [2020-09-21 12:32:49,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:32:49,175 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 244 [2020-09-21 12:32:49,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:49,185 INFO L225 Difference]: With dead ends: 3394 [2020-09-21 12:32:49,186 INFO L226 Difference]: Without dead ends: 1710 [2020-09-21 12:32:49,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:32:49,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2020-09-21 12:32:49,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1706. [2020-09-21 12:32:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-09-21 12:32:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2185 transitions. [2020-09-21 12:32:49,237 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2185 transitions. Word has length 244 [2020-09-21 12:32:49,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:49,238 INFO L479 AbstractCegarLoop]: Abstraction has 1706 states and 2185 transitions. [2020-09-21 12:32:49,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:32:49,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2185 transitions. [2020-09-21 12:32:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-09-21 12:32:49,243 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:49,244 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 12:32:49,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:32:49,244 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:49,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:49,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1656895012, now seen corresponding path program 1 times [2020-09-21 12:32:49,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:49,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272107571] [2020-09-21 12:32:49,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:49,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:50,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:50,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-21 12:32:50,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:32:50,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1042 [2020-09-21 12:32:50,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-21 12:32:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-21 12:32:50,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:50,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:50,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:50,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:50,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:50,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:50,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:32:50,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:50,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:50,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:50,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:50,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:50,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:50,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:50,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-09-21 12:32:50,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:50,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-21 12:32:50,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:50,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:50,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:50,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-21 12:32:50,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:32:50,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-21 12:32:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:50,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:50,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:50,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:32:50,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:50,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-21 12:32:50,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:50,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:50,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:32:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:32:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:32:51,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272107571] [2020-09-21 12:32:51,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:51,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:32:51,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186838952] [2020-09-21 12:32:51,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:32:51,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:51,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:32:51,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:32:51,155 INFO L87 Difference]: Start difference. First operand 1706 states and 2185 transitions. Second operand 7 states. [2020-09-21 12:32:53,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:53,358 INFO L93 Difference]: Finished difference Result 4530 states and 5853 transitions. [2020-09-21 12:32:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:32:53,359 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-09-21 12:32:53,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:53,374 INFO L225 Difference]: With dead ends: 4530 [2020-09-21 12:32:53,375 INFO L226 Difference]: Without dead ends: 2830 [2020-09-21 12:32:53,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:32:53,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2020-09-21 12:32:53,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2640. [2020-09-21 12:32:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2640 states. [2020-09-21 12:32:53,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2640 states and 3358 transitions. [2020-09-21 12:32:53,481 INFO L78 Accepts]: Start accepts. Automaton has 2640 states and 3358 transitions. Word has length 253 [2020-09-21 12:32:53,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:53,482 INFO L479 AbstractCegarLoop]: Abstraction has 2640 states and 3358 transitions. [2020-09-21 12:32:53,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:32:53,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3358 transitions. [2020-09-21 12:32:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-09-21 12:32:53,488 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:32:53,489 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:32:53,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:32:53,489 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:32:53,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:32:53,490 INFO L82 PathProgramCache]: Analyzing trace with hash -689541770, now seen corresponding path program 1 times [2020-09-21 12:32:53,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:32:53,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801015670] [2020-09-21 12:32:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:32:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:53,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:53,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:54,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:54,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:54,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-09-21 12:32:54,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:32:54,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1246 [2020-09-21 12:32:54,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:54,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:32:54,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-09-21 12:32:54,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 12:32:54,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:54,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:32:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:54,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:54,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:54,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:32:54,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:54,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:32:54,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:54,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:54,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:54,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:54,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:32:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:54,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:54,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:54,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 12:32:54,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 12:32:54,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:32:54,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:32:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:55,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-21 12:32:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:32:55,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:32:55,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:32:55,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 12:32:55,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:32:55,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-21 12:32:55,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:32:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:32:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:32:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-21 12:32:55,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:32:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-09-21 12:32:55,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801015670] [2020-09-21 12:32:55,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:32:55,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:32:55,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604842855] [2020-09-21 12:32:55,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:32:55,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:32:55,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:32:55,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:32:55,237 INFO L87 Difference]: Start difference. First operand 2640 states and 3358 transitions. Second operand 6 states. [2020-09-21 12:32:57,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:32:57,102 INFO L93 Difference]: Finished difference Result 2836 states and 3603 transitions. [2020-09-21 12:32:57,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:32:57,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 277 [2020-09-21 12:32:57,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:32:57,104 INFO L225 Difference]: With dead ends: 2836 [2020-09-21 12:32:57,104 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:32:57,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:32:57,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:32:57,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:32:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:32:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:32:57,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2020-09-21 12:32:57,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:32:57,110 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:32:57,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:32:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:32:57,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:32:57,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:32:57,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:32:57,979 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 51 [2020-09-21 12:32:58,263 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 51 [2020-09-21 12:32:58,853 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 46 [2020-09-21 12:32:59,097 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2020-09-21 12:32:59,291 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2020-09-21 12:32:59,296 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:32:59,297 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-09-21 12:32:59,297 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:32:59,297 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-09-21 12:32:59,297 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-09-21 12:32:59,298 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,298 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,298 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,298 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-09-21 12:32:59,298 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 12:32:59,298 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 12:32:59,299 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 12:32:59,299 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-09-21 12:32:59,299 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-09-21 12:32:59,299 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-09-21 12:32:59,299 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-09-21 12:32:59,299 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,299 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,299 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,300 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-09-21 12:32:59,300 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-09-21 12:32:59,300 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 12:32:59,300 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 12:32:59,300 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 12:32:59,300 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-09-21 12:32:59,300 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-09-21 12:32:59,300 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-09-21 12:32:59,300 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,302 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,302 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,302 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-09-21 12:32:59,302 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 12:32:59,302 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 12:32:59,302 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 12:32:59,303 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-09-21 12:32:59,304 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-09-21 12:32:59,304 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-09-21 12:32:59,304 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-09-21 12:32:59,306 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-09-21 12:32:59,308 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,308 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,308 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,308 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-09-21 12:32:59,309 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 12:32:59,309 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 12:32:59,309 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 12:32:59,309 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-09-21 12:32:59,309 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-09-21 12:32:59,309 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-09-21 12:32:59,309 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,310 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,310 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,310 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-09-21 12:32:59,310 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 12:32:59,310 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 12:32:59,310 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 12:32:59,310 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-09-21 12:32:59,310 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-09-21 12:32:59,311 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-09-21 12:32:59,311 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-09-21 12:32:59,311 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-09-21 12:32:59,311 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,311 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,311 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,311 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,311 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-09-21 12:32:59,312 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 12:32:59,312 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 12:32:59,313 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 12:32:59,314 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-09-21 12:32:59,314 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-09-21 12:32:59,314 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-09-21 12:32:59,314 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-09-21 12:32:59,314 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,314 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,314 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,315 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 12:32:59,315 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 12:32:59,315 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 12:32:59,315 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-09-21 12:32:59,315 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-09-21 12:32:59,315 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-09-21 12:32:59,315 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-09-21 12:32:59,317 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-09-21 12:32:59,317 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,317 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,317 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,317 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-09-21 12:32:59,317 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-09-21 12:32:59,318 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 12:32:59,318 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 12:32:59,318 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 12:32:59,318 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-09-21 12:32:59,320 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= 8 |old(~a21~0)|)) (.cse8 (= ~a12~0 |old(~a12~0)|)) (.cse9 (= ~a15~0 |old(~a15~0)|))) (let ((.cse1 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) .cse8 .cse9)) (.cse2 (not (= |old(~a24~0)| 1))) (.cse3 (not .cse0)) (.cse4 (not (<= 12 |old(~a12~0)|))) (.cse5 (not (<= |old(~a12~0)| 80))) (.cse6 (= ~a24~0 1)) (.cse7 (= ~a21~0 8))) (and (or .cse0 .cse1) (or .cse1 (not (<= 7 |old(~a15~0)|))) (or .cse2 .cse3 .cse4 .cse5 (and (= 5 ~a15~0) .cse6 .cse7 .cse8) (not (= 5 |old(~a15~0)|))) (or (not (= 6 |old(~a15~0)|)) .cse2 .cse3 .cse4 .cse5 (and .cse6 .cse7 .cse8 .cse9))))) [2020-09-21 12:32:59,321 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-09-21 12:32:59,321 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-09-21 12:32:59,321 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,321 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,321 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,323 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 12:32:59,324 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:32:59,324 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 12:32:59,324 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-09-21 12:32:59,325 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-09-21 12:32:59,325 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-09-21 12:32:59,325 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-09-21 12:32:59,325 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-09-21 12:32:59,325 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,325 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,326 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,326 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-09-21 12:32:59,326 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-09-21 12:32:59,326 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 12:32:59,326 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:32:59,326 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 12:32:59,326 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-09-21 12:32:59,326 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-09-21 12:32:59,327 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-09-21 12:32:59,327 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,327 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,327 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,327 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-09-21 12:32:59,327 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 12:32:59,327 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:32:59,327 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 12:32:59,328 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-09-21 12:32:59,328 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-09-21 12:32:59,328 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-09-21 12:32:59,328 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-09-21 12:32:59,328 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,328 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,328 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,328 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-09-21 12:32:59,329 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:32:59,329 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:32:59,329 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 12:32:59,329 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-09-21 12:32:59,329 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-09-21 12:32:59,329 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-09-21 12:32:59,329 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-09-21 12:32:59,329 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,330 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,330 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-09-21 12:32:59,330 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 12:32:59,330 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 12:32:59,330 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-09-21 12:32:59,330 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-09-21 12:32:59,330 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-09-21 12:32:59,330 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-09-21 12:32:59,331 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-09-21 12:32:59,331 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2020-09-21 12:32:59,331 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,331 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,331 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-09-21 12:32:59,331 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 12:32:59,331 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 12:32:59,331 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-09-21 12:32:59,332 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-09-21 12:32:59,332 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-09-21 12:32:59,332 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,332 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,332 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-09-21 12:32:59,332 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-09-21 12:32:59,332 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 12:32:59,332 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 12:32:59,332 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-09-21 12:32:59,333 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-09-21 12:32:59,333 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-09-21 12:32:59,333 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-09-21 12:32:59,333 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,333 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,333 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-09-21 12:32:59,333 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-09-21 12:32:59,333 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 12:32:59,334 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:32:59,334 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-09-21 12:32:59,334 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-09-21 12:32:59,334 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-09-21 12:32:59,334 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,334 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,334 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,334 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-09-21 12:32:59,334 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-09-21 12:32:59,335 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 12:32:59,335 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:32:59,335 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-09-21 12:32:59,335 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-09-21 12:32:59,335 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,335 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,335 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 12:32:59,335 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,336 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-09-21 12:32:59,336 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-09-21 12:32:59,336 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-09-21 12:32:59,336 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 12:32:59,336 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:32:59,336 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 12:32:59,336 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-09-21 12:32:59,336 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-09-21 12:32:59,336 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-09-21 12:32:59,337 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-09-21 12:32:59,337 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,337 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,337 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,337 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-09-21 12:32:59,337 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 12:32:59,337 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:32:59,337 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 12:32:59,337 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-09-21 12:32:59,338 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-09-21 12:32:59,338 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-09-21 12:32:59,338 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-09-21 12:32:59,338 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,338 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,338 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,338 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-09-21 12:32:59,338 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-09-21 12:32:59,338 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 12:32:59,339 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 12:32:59,339 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 12:32:59,339 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-09-21 12:32:59,339 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-09-21 12:32:59,339 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-09-21 12:32:59,339 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,339 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,339 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,340 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-09-21 12:32:59,340 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 12:32:59,340 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 12:32:59,340 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 12:32:59,340 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-09-21 12:32:59,340 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-09-21 12:32:59,340 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-09-21 12:32:59,340 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-09-21 12:32:59,341 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:32:59,342 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a15~0) (<= ~a12~0 11) (<= ~a15~0 8)) [2020-09-21 12:32:59,342 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:32:59,342 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:32:59,342 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a12~0)| 11))) [2020-09-21 12:32:59,342 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-09-21 12:32:59,342 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (<= 12 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse2 (<= ~a12~0 80))) (or (<= 7 ~a15~0) (not (<= |old(~a15~0)| 8)) (and (= 5 ~a15~0) .cse0 .cse1 .cse2) (not (<= |old(~a21~0)| 7)) (and .cse0 .cse1 .cse2 (= ~a15~0 6)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a12~0)| 11)) (not (= ~a21~0 8)))) [2020-09-21 12:32:59,342 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-09-21 12:32:59,343 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-09-21 12:32:59,343 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= 12 ~a12~0)) (.cse1 (= ~a24~0 1)) (.cse2 (<= ~a12~0 80))) (or (<= 7 ~a15~0) (not (<= |old(~a15~0)| 8)) (and (= 5 ~a15~0) .cse0 .cse1 .cse2) (not (<= |old(~a21~0)| 7)) (and .cse0 .cse1 .cse2 (= ~a15~0 6)) (not (<= 7 |old(~a15~0)|)) (not (<= |old(~a12~0)| 11)) (not (= ~a21~0 8)))) [2020-09-21 12:32:59,343 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-09-21 12:32:59,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:32:59 BoogieIcfgContainer [2020-09-21 12:32:59,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:32:59,368 INFO L168 Benchmark]: Toolchain (without parser) took 40900.78 ms. Allocated memory was 147.3 MB in the beginning and 651.2 MB in the end (delta: 503.8 MB). Free memory was 101.1 MB in the beginning and 166.6 MB in the end (delta: -65.4 MB). Peak memory consumption was 438.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:59,369 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:32:59,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 921.21 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 168.1 MB in the end (delta: -67.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:59,371 INFO L168 Benchmark]: Boogie Preprocessor took 176.95 ms. Allocated memory is still 205.5 MB. Free memory was 168.1 MB in the beginning and 162.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:59,372 INFO L168 Benchmark]: RCFGBuilder took 1729.75 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 162.4 MB in the beginning and 154.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:59,373 INFO L168 Benchmark]: TraceAbstraction took 38062.92 ms. Allocated memory was 238.0 MB in the beginning and 651.2 MB in the end (delta: 413.1 MB). Free memory was 154.2 MB in the beginning and 166.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 400.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:32:59,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 921.21 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 168.1 MB in the end (delta: -67.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 176.95 ms. Allocated memory is still 205.5 MB. Free memory was 168.1 MB in the beginning and 162.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1729.75 ms. Allocated memory was 205.5 MB in the beginning and 238.0 MB in the end (delta: 32.5 MB). Free memory was 162.4 MB in the beginning and 154.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38062.92 ms. Allocated memory was 238.0 MB in the beginning and 651.2 MB in the end (delta: 413.1 MB). Free memory was 154.2 MB in the beginning and 166.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 400.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((7 <= a15 || !(\old(a15) <= 8)) || (((5 == a15 && 12 <= a12) && a24 == 1) && a12 <= 80)) || !(\old(a21) <= 7)) || (((12 <= a12 && a24 == 1) && a12 <= 80) && a15 == 6)) || !(7 <= \old(a15))) || !(\old(a12) <= 11)) || !(a21 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 269 SDtfs, 4973 SDslu, 292 SDs, 0 SdLazy, 10879 SolverSat, 1733 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 68 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2640occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 702 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 69 PreInvPairs, 107 NumberOfFragments, 279 HoareAnnotationTreeSize, 69 FomulaSimplifications, 373950 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1971 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 1982 NumberOfCodeBlocks, 1982 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1972 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1068/1154 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...