/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label47.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:14:23,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:14:23,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:14:23,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:14:23,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:14:23,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:14:23,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:14:23,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:14:23,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:14:23,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:14:23,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:14:23,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:14:23,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:14:23,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:14:23,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:14:23,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:14:23,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:14:23,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:14:23,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:14:23,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:14:23,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:14:23,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:14:23,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:14:23,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:14:23,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:14:23,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:14:23,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:14:23,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:14:23,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:14:23,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:14:23,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:14:23,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:14:23,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:14:23,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:14:23,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:14:23,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:14:23,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:14:23,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:14:23,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:14:23,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:14:23,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:14:23,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 13:14:23,917 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:14:23,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:14:23,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:14:23,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:14:23,919 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:14:23,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:14:23,920 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:14:23,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:14:23,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:14:23,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:14:23,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:14:23,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:14:23,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:14:23,921 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:14:23,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:14:23,921 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:14:23,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:14:23,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:14:23,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:14:23,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:14:23,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:14:23,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:14:23,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:14:23,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:14:23,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:14:23,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:14:23,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:14:23,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:14:23,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:14:23,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:14:24,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:14:24,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:14:24,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:14:24,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:14:24,255 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:14:24,256 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label47.c [2020-10-12 13:14:24,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bebcc1f76/54ad29dc67b24de697b998d9e0199441/FLAG7b362a353 [2020-10-12 13:14:24,928 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:14:24,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label47.c [2020-10-12 13:14:24,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bebcc1f76/54ad29dc67b24de697b998d9e0199441/FLAG7b362a353 [2020-10-12 13:14:25,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bebcc1f76/54ad29dc67b24de697b998d9e0199441 [2020-10-12 13:14:25,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:14:25,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:14:25,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:14:25,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:14:25,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:14:25,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:14:25" (1/1) ... [2020-10-12 13:14:25,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6fb2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:25, skipping insertion in model container [2020-10-12 13:14:25,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:14:25" (1/1) ... [2020-10-12 13:14:25,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:14:25,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:14:25,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:14:25,980 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:14:26,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:14:26,217 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:14:26,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26 WrapperNode [2020-10-12 13:14:26,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:14:26,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:14:26,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:14:26,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:14:26,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26" (1/1) ... [2020-10-12 13:14:26,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26" (1/1) ... [2020-10-12 13:14:26,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26" (1/1) ... [2020-10-12 13:14:26,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26" (1/1) ... [2020-10-12 13:14:26,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26" (1/1) ... [2020-10-12 13:14:26,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26" (1/1) ... [2020-10-12 13:14:26,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26" (1/1) ... [2020-10-12 13:14:26,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:14:26,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:14:26,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:14:26,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:14:26,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:14:26,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:14:26,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:14:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:14:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:14:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:14:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:14:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:14:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:14:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:14:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:14:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:14:28,403 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:14:28,404 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:14:28,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:14:28 BoogieIcfgContainer [2020-10-12 13:14:28,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:14:28,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:14:28,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:14:28,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:14:28,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:14:25" (1/3) ... [2020-10-12 13:14:28,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8e2b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:14:28, skipping insertion in model container [2020-10-12 13:14:28,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:14:26" (2/3) ... [2020-10-12 13:14:28,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8e2b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:14:28, skipping insertion in model container [2020-10-12 13:14:28,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:14:28" (3/3) ... [2020-10-12 13:14:28,422 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label47.c [2020-10-12 13:14:28,434 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:14:28,445 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:14:28,466 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:14:28,502 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:14:28,502 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:14:28,502 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:14:28,503 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:14:28,503 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:14:28,503 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:14:28,503 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:14:28,503 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:14:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-12 13:14:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 13:14:28,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:28,546 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] [2020-10-12 13:14:28,547 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:28,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:28,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1102823458, now seen corresponding path program 1 times [2020-10-12 13:14:28,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:28,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814907589] [2020-10-12 13:14:28,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:28,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:29,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 13:14:29,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-10-12 13:14:29,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:14:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:14:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 13:14:29,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:14:29,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:29,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:29,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:29,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:29,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:29,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 13:14:29,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:29,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:29,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:14:29,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:14:29,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814907589] [2020-10-12 13:14:29,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:14:29,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:14:29,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701974581] [2020-10-12 13:14:29,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:14:29,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:29,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:14:29,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:14:29,513 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-12 13:14:31,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:31,921 INFO L93 Difference]: Finished difference Result 799 states and 1401 transitions. [2020-10-12 13:14:31,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:14:31,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-10-12 13:14:31,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:31,944 INFO L225 Difference]: With dead ends: 799 [2020-10-12 13:14:31,945 INFO L226 Difference]: Without dead ends: 443 [2020-10-12 13:14:31,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:14:31,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-10-12 13:14:32,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 429. [2020-10-12 13:14:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-10-12 13:14:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 645 transitions. [2020-10-12 13:14:32,043 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 645 transitions. Word has length 41 [2020-10-12 13:14:32,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:32,044 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 645 transitions. [2020-10-12 13:14:32,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:14:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 645 transitions. [2020-10-12 13:14:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 13:14:32,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:32,055 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:14:32,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:14:32,055 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:32,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:32,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1570656926, now seen corresponding path program 1 times [2020-10-12 13:14:32,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:32,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398003746] [2020-10-12 13:14:32,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:32,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:32,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:33,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:33,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 13:14:33,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:14:33,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1315 [2020-10-12 13:14:33,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:14:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:14:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 13:14:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 13:14:33,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:33,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:33,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:33,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:33,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 13:14:33,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:14:33,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:33,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:33,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:33,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:33,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:14:33,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:33,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-12 13:14:33,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:33,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:33,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 13:14:33,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:14:33,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398003746] [2020-10-12 13:14:33,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:14:33,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:14:33,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738962363] [2020-10-12 13:14:33,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:14:33,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:33,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:14:33,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:14:33,842 INFO L87 Difference]: Start difference. First operand 429 states and 645 transitions. Second operand 7 states. [2020-10-12 13:14:36,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:36,650 INFO L93 Difference]: Finished difference Result 1280 states and 2000 transitions. [2020-10-12 13:14:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:14:36,652 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-12 13:14:36,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:36,664 INFO L225 Difference]: With dead ends: 1280 [2020-10-12 13:14:36,665 INFO L226 Difference]: Without dead ends: 857 [2020-10-12 13:14:36,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:14:36,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-10-12 13:14:36,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 819. [2020-10-12 13:14:36,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2020-10-12 13:14:36,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1122 transitions. [2020-10-12 13:14:36,761 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1122 transitions. Word has length 111 [2020-10-12 13:14:36,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:36,765 INFO L479 AbstractCegarLoop]: Abstraction has 819 states and 1122 transitions. [2020-10-12 13:14:36,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:14:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1122 transitions. [2020-10-12 13:14:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 13:14:36,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:36,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:14:36,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:14:36,771 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:36,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:36,771 INFO L82 PathProgramCache]: Analyzing trace with hash -23297946, now seen corresponding path program 1 times [2020-10-12 13:14:36,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:36,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325752566] [2020-10-12 13:14:36,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:36,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:36,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:36,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:38,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:38,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-12 13:14:38,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:14:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1703 [2020-10-12 13:14:38,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:38,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:14:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:14:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 13:14:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:38,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:38,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:38,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:38,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:38,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:38,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 13:14:38,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:38,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:14:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:38,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:38,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:38,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:38,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:14:38,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:38,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 13:14:38,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:38,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:38,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:38,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 13:14:38,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:14:38,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325752566] [2020-10-12 13:14:38,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:14:38,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 13:14:38,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813338892] [2020-10-12 13:14:38,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:14:38,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:38,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:14:38,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:14:38,988 INFO L87 Difference]: Start difference. First operand 819 states and 1122 transitions. Second operand 7 states. [2020-10-12 13:14:41,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:41,237 INFO L93 Difference]: Finished difference Result 1837 states and 2490 transitions. [2020-10-12 13:14:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:14:41,238 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 115 [2020-10-12 13:14:41,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:41,248 INFO L225 Difference]: With dead ends: 1837 [2020-10-12 13:14:41,248 INFO L226 Difference]: Without dead ends: 1024 [2020-10-12 13:14:41,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-12 13:14:41,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2020-10-12 13:14:41,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1015. [2020-10-12 13:14:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-10-12 13:14:41,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1334 transitions. [2020-10-12 13:14:41,293 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1334 transitions. Word has length 115 [2020-10-12 13:14:41,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:41,295 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1334 transitions. [2020-10-12 13:14:41,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:14:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1334 transitions. [2020-10-12 13:14:41,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-12 13:14:41,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:41,306 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:14:41,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:14:41,309 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:41,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:41,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1324114650, now seen corresponding path program 1 times [2020-10-12 13:14:41,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:41,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525085614] [2020-10-12 13:14:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:41,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:41,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:41,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-12 13:14:41,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:41,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-12 13:14:41,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:41,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:14:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 13:14:41,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:41,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:41,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:41,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:41,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:41,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:41,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:14:41,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:41,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:41,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:41,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:41,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:41,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:14:41,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:41,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-12 13:14:41,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:41,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:41,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:41,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:14:41,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:14:42,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525085614] [2020-10-12 13:14:42,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:42,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:14:42,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485649110] [2020-10-12 13:14:42,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:14:42,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:42,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:14:42,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:14:42,088 INFO L87 Difference]: Start difference. First operand 1015 states and 1334 transitions. Second operand 6 states. [2020-10-12 13:14:45,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:45,005 INFO L93 Difference]: Finished difference Result 2831 states and 3993 transitions. [2020-10-12 13:14:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:14:45,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-10-12 13:14:45,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:45,018 INFO L225 Difference]: With dead ends: 2831 [2020-10-12 13:14:45,018 INFO L226 Difference]: Without dead ends: 2010 [2020-10-12 13:14:45,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:14:45,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2020-10-12 13:14:45,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 1992. [2020-10-12 13:14:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2020-10-12 13:14:45,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2630 transitions. [2020-10-12 13:14:45,087 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2630 transitions. Word has length 172 [2020-10-12 13:14:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:45,088 INFO L479 AbstractCegarLoop]: Abstraction has 1992 states and 2630 transitions. [2020-10-12 13:14:45,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:14:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2630 transitions. [2020-10-12 13:14:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 13:14:45,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:45,093 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:14:45,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:14:45,094 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:45,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:45,094 INFO L82 PathProgramCache]: Analyzing trace with hash 832728620, now seen corresponding path program 1 times [2020-10-12 13:14:45,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:45,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188560143] [2020-10-12 13:14:45,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:45,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:45,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:45,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:47,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:47,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 13:14:47,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:14:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2768 [2020-10-12 13:14:47,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-12 13:14:47,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 13:14:47,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:48,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:48,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:48,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:48,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:48,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:48,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 13:14:48,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:48,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:48,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:48,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:48,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:48,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:48,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:48,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:14:48,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 13:14:48,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:48,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:48,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:14:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:48,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:48,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 13:14:48,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:48,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 13:14:48,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 13:14:48,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-12 13:14:48,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188560143] [2020-10-12 13:14:48,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:48,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:14:48,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065567741] [2020-10-12 13:14:48,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:14:48,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:48,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:14:48,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:14:48,469 INFO L87 Difference]: Start difference. First operand 1992 states and 2630 transitions. Second operand 5 states. [2020-10-12 13:14:50,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:50,057 INFO L93 Difference]: Finished difference Result 3221 states and 4404 transitions. [2020-10-12 13:14:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:14:50,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2020-10-12 13:14:50,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:50,073 INFO L225 Difference]: With dead ends: 3221 [2020-10-12 13:14:50,074 INFO L226 Difference]: Without dead ends: 1994 [2020-10-12 13:14:50,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:14:50,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2020-10-12 13:14:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1992. [2020-10-12 13:14:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2020-10-12 13:14:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2621 transitions. [2020-10-12 13:14:50,139 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2621 transitions. Word has length 231 [2020-10-12 13:14:50,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:50,140 INFO L479 AbstractCegarLoop]: Abstraction has 1992 states and 2621 transitions. [2020-10-12 13:14:50,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:14:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2621 transitions. [2020-10-12 13:14:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-12 13:14:50,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:50,145 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:14:50,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:14:50,145 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:50,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:50,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1952417192, now seen corresponding path program 1 times [2020-10-12 13:14:50,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:50,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028027572] [2020-10-12 13:14:50,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:50,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:50,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:51,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:52,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:52,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-12 13:14:52,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:14:52,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2005 [2020-10-12 13:14:52,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:52,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:52,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 13:14:52,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 13:14:52,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:52,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:52,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:52,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:52,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:52,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:52,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:14:52,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:52,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:52,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:52,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:52,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:14:52,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:52,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-12 13:14:52,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:52,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 13:14:52,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:14:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:52,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:52,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:52,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 13:14:52,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:52,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-12 13:14:52,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:14:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 13:14:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:52,954 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:14:52,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028027572] [2020-10-12 13:14:52,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:52,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:14:52,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940072558] [2020-10-12 13:14:52,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:14:52,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:52,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:14:52,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:14:52,959 INFO L87 Difference]: Start difference. First operand 1992 states and 2621 transitions. Second operand 7 states. [2020-10-12 13:14:55,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:55,810 INFO L93 Difference]: Finished difference Result 4741 states and 7103 transitions. [2020-10-12 13:14:55,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:14:55,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-10-12 13:14:55,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:55,839 INFO L225 Difference]: With dead ends: 4741 [2020-10-12 13:14:55,839 INFO L226 Difference]: Without dead ends: 2943 [2020-10-12 13:14:55,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:14:55,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2943 states. [2020-10-12 13:14:55,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2943 to 2800. [2020-10-12 13:14:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2800 states. [2020-10-12 13:14:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 3669 transitions. [2020-10-12 13:14:55,969 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 3669 transitions. Word has length 237 [2020-10-12 13:14:55,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:55,970 INFO L479 AbstractCegarLoop]: Abstraction has 2800 states and 3669 transitions. [2020-10-12 13:14:55,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:14:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 3669 transitions. [2020-10-12 13:14:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-12 13:14:55,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:55,976 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:14:55,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:14:55,976 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:55,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:55,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1323596512, now seen corresponding path program 1 times [2020-10-12 13:14:55,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:55,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492032305] [2020-10-12 13:14:55,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:56,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:56,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:56,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:56,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-12 13:14:56,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:14:56,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 608 [2020-10-12 13:14:56,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:14:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:14:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 13:14:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:56,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:14:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:56,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:56,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:56,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:14:56,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:56,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:14:56,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:56,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:14:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:56,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:56,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:56,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:14:56,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:56,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 13:14:56,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:56,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:14:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:14:56,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:14:56,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:14:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:56,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:14:57,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:14:57,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 13:14:57,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:14:57,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-12 13:14:57,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:14:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:14:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:14:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:14:57,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:14:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-12 13:14:57,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492032305] [2020-10-12 13:14:57,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:14:57,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:14:57,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41048441] [2020-10-12 13:14:57,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:14:57,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:14:57,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:14:57,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:14:57,096 INFO L87 Difference]: Start difference. First operand 2800 states and 3669 transitions. Second operand 5 states. [2020-10-12 13:14:59,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:14:59,480 INFO L93 Difference]: Finished difference Result 6197 states and 8394 transitions. [2020-10-12 13:14:59,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:14:59,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2020-10-12 13:14:59,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:14:59,503 INFO L225 Difference]: With dead ends: 6197 [2020-10-12 13:14:59,503 INFO L226 Difference]: Without dead ends: 3591 [2020-10-12 13:14:59,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:14:59,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3591 states. [2020-10-12 13:14:59,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3591 to 3568. [2020-10-12 13:14:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3568 states. [2020-10-12 13:14:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3568 states and 4660 transitions. [2020-10-12 13:14:59,603 INFO L78 Accepts]: Start accepts. Automaton has 3568 states and 4660 transitions. Word has length 241 [2020-10-12 13:14:59,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:14:59,604 INFO L479 AbstractCegarLoop]: Abstraction has 3568 states and 4660 transitions. [2020-10-12 13:14:59,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:14:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 4660 transitions. [2020-10-12 13:14:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-12 13:14:59,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:14:59,609 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:14:59,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:14:59,610 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:14:59,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:14:59,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1491232157, now seen corresponding path program 1 times [2020-10-12 13:14:59,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:14:59,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4538648] [2020-10-12 13:14:59,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:14:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:14:59,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:00,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:00,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:00,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-12 13:15:00,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:00,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1251 [2020-10-12 13:15:00,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 218 [2020-10-12 13:15:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 13:15:00,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:01,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:01,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:01,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:01,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:01,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:01,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:01,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:15:01,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:01,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:01,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:01,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:15:01,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:01,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 13:15:01,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:01,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:01,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:01,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:01,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:01,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:15:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:01,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:01,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:01,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 13:15:01,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:01,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 13:15:01,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:01,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 13:15:01,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:15:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-12 13:15:01,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4538648] [2020-10-12 13:15:01,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:01,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:15:01,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937274472] [2020-10-12 13:15:01,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:15:01,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:01,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:15:01,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:15:01,371 INFO L87 Difference]: Start difference. First operand 3568 states and 4660 transitions. Second operand 5 states. [2020-10-12 13:15:04,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:04,343 INFO L93 Difference]: Finished difference Result 6964 states and 9485 transitions. [2020-10-12 13:15:04,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:15:04,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2020-10-12 13:15:04,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:04,367 INFO L225 Difference]: With dead ends: 6964 [2020-10-12 13:15:04,368 INFO L226 Difference]: Without dead ends: 4557 [2020-10-12 13:15:04,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:15:04,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2020-10-12 13:15:04,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 4539. [2020-10-12 13:15:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4539 states. [2020-10-12 13:15:04,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4539 states to 4539 states and 5859 transitions. [2020-10-12 13:15:04,516 INFO L78 Accepts]: Start accepts. Automaton has 4539 states and 5859 transitions. Word has length 247 [2020-10-12 13:15:04,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:04,517 INFO L479 AbstractCegarLoop]: Abstraction has 4539 states and 5859 transitions. [2020-10-12 13:15:04,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:15:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 4539 states and 5859 transitions. [2020-10-12 13:15:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-12 13:15:04,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:04,524 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:15:04,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:15:04,524 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:04,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:04,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1984921085, now seen corresponding path program 1 times [2020-10-12 13:15:04,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:04,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813525764] [2020-10-12 13:15:04,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:04,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:04,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:05,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:05,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:05,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 13:15:05,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:15:05,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1348 [2020-10-12 13:15:05,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-12 13:15:05,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 13:15:05,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:06,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:06,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:06,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:06,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:06,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:15:06,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:06,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:06,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:06,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:06,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:06,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:06,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:06,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:06,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:15:06,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:06,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 13:15:06,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:06,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:06,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:06,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:15:06,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:15:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:06,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:06,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:06,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:15:06,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-12 13:15:06,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 13:15:06,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-12 13:15:06,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813525764] [2020-10-12 13:15:06,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:06,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:15:06,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652147995] [2020-10-12 13:15:06,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:15:06,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:06,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:15:06,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:15:06,368 INFO L87 Difference]: Start difference. First operand 4539 states and 5859 transitions. Second operand 5 states. [2020-10-12 13:15:09,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:09,016 INFO L93 Difference]: Finished difference Result 8905 states and 11586 transitions. [2020-10-12 13:15:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:15:09,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 258 [2020-10-12 13:15:09,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:09,043 INFO L225 Difference]: With dead ends: 8905 [2020-10-12 13:15:09,044 INFO L226 Difference]: Without dead ends: 4560 [2020-10-12 13:15:09,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:15:09,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4560 states. [2020-10-12 13:15:09,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4560 to 4526. [2020-10-12 13:15:09,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4526 states. [2020-10-12 13:15:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4526 states to 4526 states and 5588 transitions. [2020-10-12 13:15:09,167 INFO L78 Accepts]: Start accepts. Automaton has 4526 states and 5588 transitions. Word has length 258 [2020-10-12 13:15:09,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:09,168 INFO L479 AbstractCegarLoop]: Abstraction has 4526 states and 5588 transitions. [2020-10-12 13:15:09,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:15:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 4526 states and 5588 transitions. [2020-10-12 13:15:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-12 13:15:09,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:09,180 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:09,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:15:09,181 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:09,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1064490607, now seen corresponding path program 1 times [2020-10-12 13:15:09,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:09,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362203984] [2020-10-12 13:15:09,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:09,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:09,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:09,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:11,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:12,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:12,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 342 [2020-10-12 13:15:12,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:15:12,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2823 [2020-10-12 13:15:12,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:15:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:15:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-12 13:15:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:12,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:12,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:12,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:12,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:12,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:12,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:12,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:12,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:12,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:12,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:12,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:12,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:15:12,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:12,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 13:15:12,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:12,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:15:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:12,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:12,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 13:15:12,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 13:15:12,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-12 13:15:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:12,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 13:15:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:12,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:12,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:12,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:12,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-12 13:15:12,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-12 13:15:12,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:12,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:12,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:12,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 13:15:12,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 235 proven. 35 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-12 13:15:12,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362203984] [2020-10-12 13:15:12,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:12,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:15:12,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506852385] [2020-10-12 13:15:12,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:15:12,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:12,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:15:12,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:15:12,722 INFO L87 Difference]: Start difference. First operand 4526 states and 5588 transitions. Second operand 7 states. [2020-10-12 13:15:16,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:16,700 INFO L93 Difference]: Finished difference Result 9924 states and 12711 transitions. [2020-10-12 13:15:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:15:16,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 328 [2020-10-12 13:15:16,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:16,741 INFO L225 Difference]: With dead ends: 9924 [2020-10-12 13:15:16,742 INFO L226 Difference]: Without dead ends: 6557 [2020-10-12 13:15:16,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:15:16,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6557 states. [2020-10-12 13:15:16,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6557 to 5960. [2020-10-12 13:15:16,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5960 states. [2020-10-12 13:15:16,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5960 states to 5960 states and 7522 transitions. [2020-10-12 13:15:16,901 INFO L78 Accepts]: Start accepts. Automaton has 5960 states and 7522 transitions. Word has length 328 [2020-10-12 13:15:16,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:16,902 INFO L479 AbstractCegarLoop]: Abstraction has 5960 states and 7522 transitions. [2020-10-12 13:15:16,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:15:16,902 INFO L276 IsEmpty]: Start isEmpty. Operand 5960 states and 7522 transitions. [2020-10-12 13:15:16,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-12 13:15:16,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:16,918 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:16,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:15:16,919 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:16,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:16,919 INFO L82 PathProgramCache]: Analyzing trace with hash -2119720404, now seen corresponding path program 1 times [2020-10-12 13:15:16,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:16,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [615557741] [2020-10-12 13:15:16,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:17,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:17,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:19,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:19,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-12 13:15:22,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:15:22,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-12 13:15:22,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:15:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-10-12 13:15:22,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-12 13:15:22,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:15:22,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:22,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:22,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 13:15:22,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:22,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:22,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:22,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:15:22,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:22,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 13:15:22,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:22,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:15:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:22,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 13:15:22,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-12 13:15:22,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 13:15:22,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:22,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 13:15:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:22,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:22,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:22,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-12 13:15:22,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-12 13:15:22,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:22,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:22,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 13:15:22,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 238 proven. 35 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-12 13:15:22,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [615557741] [2020-10-12 13:15:22,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:22,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:15:22,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964132972] [2020-10-12 13:15:22,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:15:22,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:22,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:15:22,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:15:22,809 INFO L87 Difference]: Start difference. First operand 5960 states and 7522 transitions. Second operand 6 states. [2020-10-12 13:15:25,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:25,509 INFO L93 Difference]: Finished difference Result 13848 states and 18729 transitions. [2020-10-12 13:15:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:15:25,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 345 [2020-10-12 13:15:25,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:25,548 INFO L225 Difference]: With dead ends: 13848 [2020-10-12 13:15:25,548 INFO L226 Difference]: Without dead ends: 8082 [2020-10-12 13:15:25,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:15:25,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8082 states. [2020-10-12 13:15:25,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8082 to 7897. [2020-10-12 13:15:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7897 states. [2020-10-12 13:15:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7897 states to 7897 states and 9742 transitions. [2020-10-12 13:15:25,843 INFO L78 Accepts]: Start accepts. Automaton has 7897 states and 9742 transitions. Word has length 345 [2020-10-12 13:15:25,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:25,844 INFO L479 AbstractCegarLoop]: Abstraction has 7897 states and 9742 transitions. [2020-10-12 13:15:25,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:15:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 7897 states and 9742 transitions. [2020-10-12 13:15:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-10-12 13:15:25,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:25,868 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:25,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 13:15:25,868 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:25,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:25,869 INFO L82 PathProgramCache]: Analyzing trace with hash 404515825, now seen corresponding path program 1 times [2020-10-12 13:15:25,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:25,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [774220296] [2020-10-12 13:15:25,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:26,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:26,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:26,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:26,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:26,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:29,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-12 13:15:31,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 13:15:31,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 13:15:31,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 13:15:31,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:15:31,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-12 13:15:31,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:31,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:31,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:31,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:31,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:15:31,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:15:31,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:31,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:31,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:15:31,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:31,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-12 13:15:31,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:15:31,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:31,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:15:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:31,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:15:31,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:31,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-12 13:15:31,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:15:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:15:31,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:31,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 13:15:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:31,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:31,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:31,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:15:31,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:31,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-12 13:15:31,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:15:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 110 proven. 248 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 13:15:32,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [774220296] [2020-10-12 13:15:32,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:32,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 13:15:32,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075894020] [2020-10-12 13:15:32,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 13:15:32,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:32,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 13:15:32,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:15:32,437 INFO L87 Difference]: Start difference. First operand 7897 states and 9742 transitions. Second operand 10 states. [2020-10-12 13:15:36,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:36,345 INFO L93 Difference]: Finished difference Result 15689 states and 19903 transitions. [2020-10-12 13:15:36,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 13:15:36,347 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 346 [2020-10-12 13:15:36,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:36,378 INFO L225 Difference]: With dead ends: 15689 [2020-10-12 13:15:36,378 INFO L226 Difference]: Without dead ends: 9315 [2020-10-12 13:15:36,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-10-12 13:15:36,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9315 states. [2020-10-12 13:15:36,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9315 to 7916. [2020-10-12 13:15:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7916 states. [2020-10-12 13:15:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7916 states to 7916 states and 9838 transitions. [2020-10-12 13:15:36,595 INFO L78 Accepts]: Start accepts. Automaton has 7916 states and 9838 transitions. Word has length 346 [2020-10-12 13:15:36,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:36,595 INFO L479 AbstractCegarLoop]: Abstraction has 7916 states and 9838 transitions. [2020-10-12 13:15:36,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 13:15:36,596 INFO L276 IsEmpty]: Start isEmpty. Operand 7916 states and 9838 transitions. [2020-10-12 13:15:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-10-12 13:15:36,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:36,615 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:36,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 13:15:36,616 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:36,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:36,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1600504010, now seen corresponding path program 1 times [2020-10-12 13:15:36,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:36,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523673434] [2020-10-12 13:15:36,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:36,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:37,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:37,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:37,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-12 13:15:37,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:37,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1074 [2020-10-12 13:15:37,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 13:15:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-12 13:15:37,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:37,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:37,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:37,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:37,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:37,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:37,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:37,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:37,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:37,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:37,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:37,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:37,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:38,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:38,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:15:38,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:38,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 13:15:38,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-12 13:15:38,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:38,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:15:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:38,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:38,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:38,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 13:15:38,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:38,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-12 13:15:38,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:38,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:38,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:38,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-12 13:15:38,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:15:38,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523673434] [2020-10-12 13:15:38,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:38,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:15:38,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175317545] [2020-10-12 13:15:38,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:15:38,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:38,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:15:38,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:15:38,507 INFO L87 Difference]: Start difference. First operand 7916 states and 9838 transitions. Second operand 7 states. [2020-10-12 13:15:41,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:41,228 INFO L93 Difference]: Finished difference Result 20329 states and 25986 transitions. [2020-10-12 13:15:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:15:41,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 351 [2020-10-12 13:15:41,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:41,276 INFO L225 Difference]: With dead ends: 20329 [2020-10-12 13:15:41,277 INFO L226 Difference]: Without dead ends: 12607 [2020-10-12 13:15:41,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:15:41,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12607 states. [2020-10-12 13:15:41,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12607 to 12530. [2020-10-12 13:15:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12530 states. [2020-10-12 13:15:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12530 states to 12530 states and 15857 transitions. [2020-10-12 13:15:41,588 INFO L78 Accepts]: Start accepts. Automaton has 12530 states and 15857 transitions. Word has length 351 [2020-10-12 13:15:41,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:41,589 INFO L479 AbstractCegarLoop]: Abstraction has 12530 states and 15857 transitions. [2020-10-12 13:15:41,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:15:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 12530 states and 15857 transitions. [2020-10-12 13:15:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-10-12 13:15:41,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:41,610 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:41,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 13:15:41,611 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:41,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:41,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1392969753, now seen corresponding path program 1 times [2020-10-12 13:15:41,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:41,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794655813] [2020-10-12 13:15:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:41,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:42,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:43,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:43,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-12 13:15:43,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:43,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1596 [2020-10-12 13:15:43,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:15:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-12 13:15:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-12 13:15:43,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:43,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:43,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:43,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:43,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:43,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:43,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:43,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:43,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:43,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:43,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:43,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 13:15:43,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 13:15:43,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-12 13:15:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 13:15:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:43,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:43,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:43,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-12 13:15:43,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-12 13:15:43,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:15:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-12 13:15:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 198 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:15:44,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794655813] [2020-10-12 13:15:44,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:44,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:15:44,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212402830] [2020-10-12 13:15:44,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:15:44,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:44,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:15:44,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:15:44,135 INFO L87 Difference]: Start difference. First operand 12530 states and 15857 transitions. Second operand 8 states. [2020-10-12 13:15:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:47,585 INFO L93 Difference]: Finished difference Result 27981 states and 35986 transitions. [2020-10-12 13:15:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:15:47,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 354 [2020-10-12 13:15:47,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:47,625 INFO L225 Difference]: With dead ends: 27981 [2020-10-12 13:15:47,625 INFO L226 Difference]: Without dead ends: 15436 [2020-10-12 13:15:47,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:15:47,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15436 states. [2020-10-12 13:15:47,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15436 to 14990. [2020-10-12 13:15:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14990 states. [2020-10-12 13:15:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14990 states to 14990 states and 18552 transitions. [2020-10-12 13:15:47,931 INFO L78 Accepts]: Start accepts. Automaton has 14990 states and 18552 transitions. Word has length 354 [2020-10-12 13:15:47,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:47,932 INFO L479 AbstractCegarLoop]: Abstraction has 14990 states and 18552 transitions. [2020-10-12 13:15:47,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:15:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 14990 states and 18552 transitions. [2020-10-12 13:15:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-12 13:15:47,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:47,951 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:47,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 13:15:47,952 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:47,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:47,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1393378423, now seen corresponding path program 1 times [2020-10-12 13:15:47,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:47,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68460201] [2020-10-12 13:15:47,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:48,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:48,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:48,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:48,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:49,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:51,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:51,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-12 13:15:51,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:15:51,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3606 [2020-10-12 13:15:51,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:15:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-12 13:15:51,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-12 13:15:51,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:51,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:15:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:51,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:51,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:51,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:15:51,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:51,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:15:51,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:51,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:51,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:51,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:51,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:51,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:15:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:51,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:51,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:51,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:15:51,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:51,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 13:15:51,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:15:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:51,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:15:51,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:15:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:51,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:51,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:51,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 13:15:51,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:15:51,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 13:15:51,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:51,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:15:51,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:15:51,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 13:15:51,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 13:15:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:51,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:51,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:52,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:15:52,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:15:52,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:15:52,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 13:15:52,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:15:52,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:15:52,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:15:52,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:15:52,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:15:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 249 proven. 35 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-12 13:15:52,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68460201] [2020-10-12 13:15:52,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:15:52,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:15:52,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230246348] [2020-10-12 13:15:52,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 13:15:52,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:15:52,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 13:15:52,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:15:52,127 INFO L87 Difference]: Start difference. First operand 14990 states and 18552 transitions. Second operand 6 states. [2020-10-12 13:15:54,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:15:54,775 INFO L93 Difference]: Finished difference Result 30403 states and 37956 transitions. [2020-10-12 13:15:54,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 13:15:54,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 357 [2020-10-12 13:15:54,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:15:54,822 INFO L225 Difference]: With dead ends: 30403 [2020-10-12 13:15:54,822 INFO L226 Difference]: Without dead ends: 17543 [2020-10-12 13:15:54,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:15:54,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17543 states. [2020-10-12 13:15:55,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17543 to 16922. [2020-10-12 13:15:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16922 states. [2020-10-12 13:15:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16922 states to 16922 states and 21151 transitions. [2020-10-12 13:15:55,180 INFO L78 Accepts]: Start accepts. Automaton has 16922 states and 21151 transitions. Word has length 357 [2020-10-12 13:15:55,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:15:55,181 INFO L479 AbstractCegarLoop]: Abstraction has 16922 states and 21151 transitions. [2020-10-12 13:15:55,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 13:15:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 16922 states and 21151 transitions. [2020-10-12 13:15:55,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-10-12 13:15:55,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:15:55,196 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:15:55,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 13:15:55,196 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:15:55,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:15:55,197 INFO L82 PathProgramCache]: Analyzing trace with hash -992527425, now seen corresponding path program 1 times [2020-10-12 13:15:55,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:15:55,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465888899] [2020-10-12 13:15:55,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:15:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:15:55,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:55,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:55,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:55,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:15:56,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:00,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-10-12 13:16:00,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 13:16:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 13:16:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:16:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-12 13:16:00,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 13:16:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:00,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:16:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:00,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:16:00,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:00,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:16:00,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:16:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:16:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:00,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:16:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:00,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:00,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:16:00,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:00,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 13:16:00,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:00,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:16:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:16:00,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:00,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:16:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:00,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:00,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:16:00,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:00,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 13:16:00,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:16:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:00,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 13:16:00,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:00,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 13:16:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:00,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:00,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:01,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:01,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:16:01,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:16:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-12 13:16:01,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:16:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:16:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 290 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-12 13:16:01,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465888899] [2020-10-12 13:16:01,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:16:01,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 13:16:01,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682596956] [2020-10-12 13:16:01,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 13:16:01,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:16:01,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 13:16:01,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:16:01,691 INFO L87 Difference]: Start difference. First operand 16922 states and 21151 transitions. Second operand 10 states. [2020-10-12 13:16:01,892 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-12 13:16:02,099 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-12 13:16:02,398 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-12 13:16:02,538 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 55 [2020-10-12 13:16:03,873 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2020-10-12 13:16:04,169 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2020-10-12 13:16:04,859 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2020-10-12 13:16:06,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:16:06,137 INFO L93 Difference]: Finished difference Result 32420 states and 40856 transitions. [2020-10-12 13:16:06,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 13:16:06,138 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 361 [2020-10-12 13:16:06,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:16:06,181 INFO L225 Difference]: With dead ends: 32420 [2020-10-12 13:16:06,181 INFO L226 Difference]: Without dead ends: 17336 [2020-10-12 13:16:06,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-10-12 13:16:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17336 states. [2020-10-12 13:16:06,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17336 to 16924. [2020-10-12 13:16:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16924 states. [2020-10-12 13:16:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16924 states to 16924 states and 21056 transitions. [2020-10-12 13:16:06,511 INFO L78 Accepts]: Start accepts. Automaton has 16924 states and 21056 transitions. Word has length 361 [2020-10-12 13:16:06,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:16:06,512 INFO L479 AbstractCegarLoop]: Abstraction has 16924 states and 21056 transitions. [2020-10-12 13:16:06,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 13:16:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 16924 states and 21056 transitions. [2020-10-12 13:16:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-10-12 13:16:06,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:16:06,527 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 13:16:06,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 13:16:06,527 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:16:06,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:16:06,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1854573658, now seen corresponding path program 1 times [2020-10-12 13:16:06,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:16:06,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948103637] [2020-10-12 13:16:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:16:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:06,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:06,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:07,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:08,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:10,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:11,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:11,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 381 [2020-10-12 13:16:11,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 13:16:11,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-12 13:16:11,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:11,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 13:16:11,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:16:11,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 286 [2020-10-12 13:16:11,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:11,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:16:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:11,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:11,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:16:11,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:11,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:16:11,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:16:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:16:11,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:16:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:11,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:11,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:11,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:16:11,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:11,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-12 13:16:11,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:11,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:16:11,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:16:11,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:11,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:16:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:11,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:12,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:12,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-12 13:16:12,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:12,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 13:16:12,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:12,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:16:12,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-12 13:16:12,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:12,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-12 13:16:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:12,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:12,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:12,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:12,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:16:12,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:16:12,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-12 13:16:12,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:16:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 13:16:12,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:12,771 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-10-12 13:16:12,945 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-10-12 13:16:13,114 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-10-12 13:16:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 104 proven. 296 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 13:16:13,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948103637] [2020-10-12 13:16:13,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:16:13,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 13:16:13,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437026590] [2020-10-12 13:16:13,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 13:16:13,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:16:13,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 13:16:13,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-12 13:16:13,875 INFO L87 Difference]: Start difference. First operand 16924 states and 21056 transitions. Second operand 14 states. [2020-10-12 13:16:14,804 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2020-10-12 13:16:15,020 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-12 13:16:15,242 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-12 13:16:15,853 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2020-10-12 13:16:16,414 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 50 [2020-10-12 13:16:16,594 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 39 [2020-10-12 13:16:16,930 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2020-10-12 13:16:17,232 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2020-10-12 13:16:17,977 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-10-12 13:16:18,379 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-12 13:16:20,450 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-12 13:16:20,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:16:20,486 INFO L93 Difference]: Finished difference Result 31998 states and 40116 transitions. [2020-10-12 13:16:20,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 13:16:20,488 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 367 [2020-10-12 13:16:20,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:16:20,529 INFO L225 Difference]: With dead ends: 31998 [2020-10-12 13:16:20,530 INFO L226 Difference]: Without dead ends: 17072 [2020-10-12 13:16:20,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=266, Invalid=924, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 13:16:20,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17072 states. [2020-10-12 13:16:20,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17072 to 16938. [2020-10-12 13:16:20,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16938 states. [2020-10-12 13:16:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16938 states to 16938 states and 21108 transitions. [2020-10-12 13:16:21,007 INFO L78 Accepts]: Start accepts. Automaton has 16938 states and 21108 transitions. Word has length 367 [2020-10-12 13:16:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:16:21,008 INFO L479 AbstractCegarLoop]: Abstraction has 16938 states and 21108 transitions. [2020-10-12 13:16:21,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 13:16:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 16938 states and 21108 transitions. [2020-10-12 13:16:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-12 13:16:21,022 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:16:21,023 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 13:16:21,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 13:16:21,023 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:16:21,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:16:21,023 INFO L82 PathProgramCache]: Analyzing trace with hash -416794270, now seen corresponding path program 1 times [2020-10-12 13:16:21,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:16:21,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051069422] [2020-10-12 13:16:21,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:16:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:21,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:21,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:21,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:22,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:26,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:26,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-12 13:16:26,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:16:26,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 13:16:26,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:26,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:16:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-10-12 13:16:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-12 13:16:26,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:16:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:26,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:26,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:26,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:16:26,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:26,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:16:26,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:16:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:26,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:16:26,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:26,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:16:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:26,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:26,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:26,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 13:16:26,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:26,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 13:16:26,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:16:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:16:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:26,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 13:16:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:26,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:26,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:26,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 13:16:26,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:26,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-12 13:16:26,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:16:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-12 13:16:26,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:26,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-12 13:16:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:26,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:27,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:27,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:27,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-12 13:16:27,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:16:27,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-12 13:16:27,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:27,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:16:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-12 13:16:27,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 238 proven. 39 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-12 13:16:27,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051069422] [2020-10-12 13:16:27,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:16:27,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:16:27,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359427394] [2020-10-12 13:16:27,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:16:27,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:16:27,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:16:27,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:16:27,973 INFO L87 Difference]: Start difference. First operand 16938 states and 21108 transitions. Second operand 8 states. [2020-10-12 13:16:29,306 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2020-10-12 13:16:32,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:16:32,958 INFO L93 Difference]: Finished difference Result 36452 states and 46203 transitions. [2020-10-12 13:16:32,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 13:16:32,960 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 369 [2020-10-12 13:16:32,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:16:33,004 INFO L225 Difference]: With dead ends: 36452 [2020-10-12 13:16:33,004 INFO L226 Difference]: Without dead ends: 21644 [2020-10-12 13:16:33,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-12 13:16:33,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21644 states. [2020-10-12 13:16:33,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21644 to 17322. [2020-10-12 13:16:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17322 states. [2020-10-12 13:16:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17322 states to 17322 states and 21558 transitions. [2020-10-12 13:16:33,356 INFO L78 Accepts]: Start accepts. Automaton has 17322 states and 21558 transitions. Word has length 369 [2020-10-12 13:16:33,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:16:33,356 INFO L479 AbstractCegarLoop]: Abstraction has 17322 states and 21558 transitions. [2020-10-12 13:16:33,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:16:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 17322 states and 21558 transitions. [2020-10-12 13:16:33,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2020-10-12 13:16:33,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:16:33,380 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:16:33,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 13:16:33,380 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:16:33,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:16:33,380 INFO L82 PathProgramCache]: Analyzing trace with hash 282719499, now seen corresponding path program 1 times [2020-10-12 13:16:33,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:16:33,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256100072] [2020-10-12 13:16:33,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:16:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:33,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:33,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:35,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:37,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:37,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 446 [2020-10-12 13:16:37,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:16:37,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4228 [2020-10-12 13:16:37,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:37,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 13:16:37,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 237 [2020-10-12 13:16:37,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 208 [2020-10-12 13:16:37,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:37,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:16:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:37,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:37,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:37,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:16:37,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:37,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:16:37,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:37,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:16:37,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:37,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:16:37,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:37,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:16:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:37,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:37,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:37,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 13:16:37,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 13:16:37,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:16:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:16:37,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:37,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 13:16:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:38,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:38,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:38,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 13:16:38,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:38,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-12 13:16:38,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:16:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:16:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-12 13:16:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:16:38,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-12 13:16:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:16:38,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:16:38,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:16:38,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-12 13:16:38,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:16:38,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-12 13:16:38,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:16:38,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 13:16:38,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:16:38,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-12 13:16:38,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:16:38,835 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 293 proven. 35 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-12 13:16:38,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256100072] [2020-10-12 13:16:38,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:16:38,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 13:16:38,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537435602] [2020-10-12 13:16:38,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 13:16:38,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:16:38,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 13:16:38,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 13:16:38,838 INFO L87 Difference]: Start difference. First operand 17322 states and 21558 transitions. Second operand 8 states. [2020-10-12 13:16:42,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:16:42,497 INFO L93 Difference]: Finished difference Result 37371 states and 47222 transitions. [2020-10-12 13:16:42,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:16:42,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 432 [2020-10-12 13:16:42,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:16:42,499 INFO L225 Difference]: With dead ends: 37371 [2020-10-12 13:16:42,499 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:16:42,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-12 13:16:42,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:16:42,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:16:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:16:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:16:42,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 432 [2020-10-12 13:16:42,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:16:42,540 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:16:42,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 13:16:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:16:42,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:16:42,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 13:16:42,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:16:45,784 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 635 DAG size of output: 484 [2020-10-12 13:16:46,940 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 635 DAG size of output: 484 [2020-10-12 13:16:47,120 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2020-10-12 13:16:51,635 WARN L193 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 637 DAG size of output: 93 [2020-10-12 13:16:54,690 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 449 DAG size of output: 79 [2020-10-12 13:16:57,781 WARN L193 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 449 DAG size of output: 79 [2020-10-12 13:16:57,785 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:16:57,786 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-12 13:16:57,786 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:16:57,786 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-12 13:16:57,786 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-12 13:16:57,786 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-12 13:16:57,786 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,786 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,787 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,787 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,787 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,787 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,787 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,788 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-12 13:16:57,788 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-12 13:16:57,788 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-12 13:16:57,788 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,796 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,796 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,796 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,796 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,796 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,796 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,796 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,797 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,798 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,798 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,798 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-12 13:16:57,798 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-12 13:16:57,798 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-12 13:16:57,798 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-12 13:16:57,798 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-12 13:16:57,798 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,799 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,800 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,801 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,801 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,801 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,801 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-12 13:16:57,803 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-12 13:16:57,804 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,804 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,804 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,804 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,804 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,804 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,805 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,806 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-12 13:16:57,807 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-12 13:16:57,807 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,807 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,807 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,807 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,807 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse14 (= ~a23~0 |old(~a23~0)|)) (.cse15 (= ~a29~0 |old(~a29~0)|)) (.cse16 (= ~a4~0 |old(~a4~0)|)) (.cse18 (= ~a3~0 1)) (.cse17 (= ~a8~0 15))) (let ((.cse2 (not (= 13 |old(~a25~0)|))) (.cse0 (not (<= |old(~a29~0)| 599998))) (.cse1 (not .cse17)) (.cse4 (not (<= |old(~a4~0)| 1))) (.cse5 (not .cse18)) (.cse6 (not (<= 1 |old(~a4~0)|))) (.cse13 (not (<= |old(~a4~0)| 0))) (.cse12 (and (not (<= 307 |old(~a23~0)|)) .cse17 (not (<= 246 |old(~a29~0)|)) .cse18 (not (<= |old(~a23~0)| 138)))) (.cse10 (and .cse14 .cse15 (= ~a25~0 12) .cse16)) (.cse9 (not (<= |old(~a29~0)| 274))) (.cse7 (= |old(~a4~0)| 1)) (.cse11 (not (= 12 |old(~a25~0)|))) (.cse8 (not (<= |old(~a29~0)| 599999))) (.cse3 (and (= ~a25~0 |old(~a25~0)|) .cse14 .cse15 .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (not .cse7) .cse1 (not (<= 0 (+ |old(~a23~0)| 42))) (not (<= |old(~a23~0)| 137)) .cse3 (not (= 9 |old(~a25~0)|)) .cse5) (or .cse8 .cse3 (not (= 11 |old(~a25~0)|))) (or .cse9 .cse2 .cse3) (or (not (<= (+ |old(~a29~0)| 21) 0)) .cse10 .cse11) (or .cse12 .cse10 .cse0 .cse1 .cse11 .cse4 .cse5 .cse6) (or .cse10 .cse9 .cse11 .cse13) (or .cse8 .cse10 .cse11 (not (<= |old(~a23~0)| 85)) .cse13) (or .cse12 .cse10 .cse9 .cse7 .cse11) (or (not (<= |old(~a25~0)| 10)) .cse8 .cse3)))) [2020-10-12 13:16:57,807 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-12 13:16:57,808 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,809 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,810 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-12 13:16:57,811 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-12 13:16:57,812 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-12 13:16:57,813 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,813 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,813 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,813 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,813 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,813 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,813 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-12 13:16:57,813 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,814 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,815 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-12 13:16:57,815 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-12 13:16:57,815 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-12 13:16:57,815 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-12 13:16:57,815 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-12 13:16:57,815 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-12 13:16:57,815 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,815 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,816 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,816 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,816 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,816 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,816 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,816 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-12 13:16:57,816 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-12 13:16:57,816 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,816 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,817 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,817 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,817 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,817 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,817 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,817 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-12 13:16:57,817 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-12 13:16:57,817 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,818 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,818 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,818 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,818 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,818 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,818 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,818 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-12 13:16:57,818 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,818 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,819 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,819 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-12 13:16:57,819 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-12 13:16:57,819 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-12 13:16:57,819 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,819 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-12 13:16:57,819 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,819 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-12 13:16:57,819 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,820 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,820 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,820 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,820 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,820 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,820 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-12 13:16:57,820 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-12 13:16:57,820 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-12 13:16:57,821 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,821 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,821 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,821 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,821 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,821 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,821 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,821 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,821 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,822 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,822 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-12 13:16:57,822 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-12 13:16:57,822 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-12 13:16:57,822 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,822 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-12 13:16:57,822 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-12 13:16:57,822 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,822 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,823 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-12 13:16:57,824 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:16:57,825 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (<= 1 ~a4~0) (= ~a8~0 15) (= ~a29~0 130) (= ~a3~0 1) (<= ~a4~0 1) (= ~a23~0 312)) [2020-10-12 13:16:57,825 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:16:57,825 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:16:57,825 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 312 |old(~a23~0)|)) (not (= 130 |old(~a29~0)|)) (not (= ~a8~0 15)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a29~0 130) (= ~a23~0 312)) (not (<= |old(~a4~0)| 1)) (not (= ~a3~0 1)) (not (<= 1 |old(~a4~0)|))) [2020-10-12 13:16:57,825 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-12 13:16:57,825 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15)))) (let ((.cse3 (or (<= ~a23~0 138) .cse0 (<= 307 ~a23~0) (<= 246 ~a29~0))) (.cse2 (<= ~a29~0 274)) (.cse8 (<= ~a29~0 599999)) (.cse9 (<= ~a4~0 0)) (.cse5 (= ~a25~0 12)) (.cse4 (<= 1 ~a4~0)) (.cse1 (= ~a25~0 13)) (.cse6 (<= ~a29~0 599998)) (.cse7 (<= ~a4~0 1))) (or .cse0 (and .cse1 .cse2) (not (<= |old(~a4~0)| 1)) (and .cse3 .cse4 .cse5 .cse6 .cse7) (not (= ~a3~0 1)) (not (<= 1 |old(~a4~0)|)) (and .cse3 .cse5 .cse2) (and (= ~a25~0 9) (<= ~a23~0 137) (<= 0 (+ ~a23~0 42)) (= ~a4~0 1)) (and (<= (+ ~a29~0 21) 0) .cse5) (and .cse8 (<= ~a25~0 10)) (not (= 312 |old(~a23~0)|)) (and .cse9 .cse2 .cse5) (and .cse8 (= ~a25~0 11)) (and .cse8 .cse9 (<= ~a23~0 85) .cse5) (not (= 130 |old(~a29~0)|)) (and .cse4 .cse1 .cse6 .cse7) (not (= 10 |old(~a25~0)|))))) [2020-10-12 13:16:57,826 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-12 13:16:57,826 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-12 13:16:57,826 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15)))) (let ((.cse3 (or (<= ~a23~0 138) .cse0 (<= 307 ~a23~0) (<= 246 ~a29~0))) (.cse2 (<= ~a29~0 274)) (.cse8 (<= ~a29~0 599999)) (.cse9 (<= ~a4~0 0)) (.cse5 (= ~a25~0 12)) (.cse4 (<= 1 ~a4~0)) (.cse1 (= ~a25~0 13)) (.cse6 (<= ~a29~0 599998)) (.cse7 (<= ~a4~0 1))) (or .cse0 (and .cse1 .cse2) (not (<= |old(~a4~0)| 1)) (and .cse3 .cse4 .cse5 .cse6 .cse7) (not (= ~a3~0 1)) (not (<= 1 |old(~a4~0)|)) (and .cse3 .cse5 .cse2) (and (= ~a25~0 9) (<= ~a23~0 137) (<= 0 (+ ~a23~0 42)) (= ~a4~0 1)) (and (<= (+ ~a29~0 21) 0) .cse5) (and .cse8 (<= ~a25~0 10)) (not (= 312 |old(~a23~0)|)) (and .cse9 .cse2 .cse5) (and .cse8 (= ~a25~0 11)) (and .cse8 .cse9 (<= ~a23~0 85) .cse5) (not (= 130 |old(~a29~0)|)) (and .cse4 .cse1 .cse6 .cse7) (not (= 10 |old(~a25~0)|))))) [2020-10-12 13:16:57,826 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-12 13:16:57,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:16:57 BoogieIcfgContainer [2020-10-12 13:16:57,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:16:57,854 INFO L168 Benchmark]: Toolchain (without parser) took 152700.85 ms. Allocated memory was 147.3 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 100.3 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-10-12 13:16:57,854 INFO L168 Benchmark]: CDTParser took 0.17 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 13:16:57,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1064.76 ms. Allocated memory was 147.3 MB in the beginning and 210.2 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 164.6 MB in the end (delta: -64.7 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. [2020-10-12 13:16:57,856 INFO L168 Benchmark]: Boogie Preprocessor took 235.71 ms. Allocated memory is still 210.2 MB. Free memory was 164.6 MB in the beginning and 156.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:16:57,856 INFO L168 Benchmark]: RCFGBuilder took 1957.08 ms. Allocated memory was 210.2 MB in the beginning and 241.2 MB in the end (delta: 30.9 MB). Free memory was 156.6 MB in the beginning and 97.2 MB in the end (delta: 59.4 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2020-10-12 13:16:57,857 INFO L168 Benchmark]: TraceAbstraction took 149438.43 ms. Allocated memory was 241.2 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 97.2 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-12 13:16:57,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1064.76 ms. Allocated memory was 147.3 MB in the beginning and 210.2 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 164.6 MB in the end (delta: -64.7 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 235.71 ms. Allocated memory is still 210.2 MB. Free memory was 164.6 MB in the beginning and 156.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1957.08 ms. Allocated memory was 210.2 MB in the beginning and 241.2 MB in the end (delta: 30.9 MB). Free memory was 156.6 MB in the beginning and 97.2 MB in the end (delta: 59.4 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 149438.43 ms. Allocated memory was 241.2 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 97.2 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((((((((((!(a8 == 15) || (a25 == 13 && a29 <= 274)) || !(\old(a4) <= 1)) || (((((((a23 <= 138 || !(a8 == 15)) || 307 <= a23) || 246 <= a29) && 1 <= a4) && a25 == 12) && a29 <= 599998) && a4 <= 1)) || !(a3 == 1)) || !(1 <= \old(a4))) || (((((a23 <= 138 || !(a8 == 15)) || 307 <= a23) || 246 <= a29) && a25 == 12) && a29 <= 274)) || (((a25 == 9 && a23 <= 137) && 0 <= a23 + 42) && a4 == 1)) || (a29 + 21 <= 0 && a25 == 12)) || (a29 <= 599999 && a25 <= 10)) || !(312 == \old(a23))) || ((a4 <= 0 && a29 <= 274) && a25 == 12)) || (a29 <= 599999 && a25 == 11)) || (((a29 <= 599999 && a4 <= 0) && a23 <= 85) && a25 == 12)) || !(130 == \old(a29))) || (((1 <= a4 && a25 == 13) && a29 <= 599998) && a4 <= 1)) || !(10 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 134.0s, OverallIterations: 19, TraceHistogramMax: 4, AutomataDifference: 62.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 904 SDtfs, 14494 SDslu, 1780 SDs, 0 SdLazy, 28732 SolverSat, 4003 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 366 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17322occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 8492 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 760 PreInvPairs, 1018 NumberOfFragments, 744 HoareAnnotationTreeSize, 760 FomulaSimplifications, 377911 FormulaSimplificationTreeSizeReduction, 4.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 58821 FormulaSimplificationTreeSizeReductionInter, 10.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 62.8s InterpolantComputationTime, 5263 NumberOfCodeBlocks, 5263 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5244 ConstructedInterpolants, 0 QuantifiedInterpolants, 9083031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 3560/4314 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...