/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 20:56:57,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 20:56:57,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 20:56:57,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 20:56:57,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 20:56:57,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 20:56:57,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 20:56:57,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 20:56:57,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 20:56:57,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 20:56:57,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 20:56:57,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 20:56:57,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 20:56:57,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 20:56:57,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 20:56:57,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 20:56:57,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 20:56:57,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 20:56:57,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 20:56:57,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 20:56:57,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 20:56:57,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 20:56:57,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 20:56:57,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 20:56:57,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 20:56:57,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 20:56:57,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 20:56:57,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 20:56:57,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 20:56:57,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 20:56:57,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 20:56:57,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 20:56:57,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 20:56:57,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 20:56:57,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 20:56:57,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 20:56:57,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 20:56:57,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 20:56:57,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 20:56:57,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 20:56:57,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 20:56:57,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 20:56:57,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 20:56:57,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 20:56:57,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 20:56:57,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 20:56:57,962 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 20:56:57,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 20:56:57,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 20:56:57,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 20:56:57,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 20:56:57,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 20:56:57,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 20:56:57,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 20:56:57,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 20:56:57,966 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 20:56:57,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 20:56:57,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 20:56:57,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 20:56:57,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 20:56:57,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 20:56:57,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 20:56:57,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 20:56:57,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:56:57,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 20:56:57,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 20:56:57,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 20:56:57,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 20:56:57,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 20:56:57,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 20:56:57,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 20:56:57,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 20:56:58,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 20:56:58,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 20:56:58,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 20:56:58,324 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 20:56:58,325 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 20:56:58,326 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label16.c [2020-10-14 20:56:58,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49b4cd4f5/0463ae6ffb7646e88c42c8582fb858b4/FLAGb7a2f2ff9 [2020-10-14 20:56:59,043 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 20:56:59,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label16.c [2020-10-14 20:56:59,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49b4cd4f5/0463ae6ffb7646e88c42c8582fb858b4/FLAGb7a2f2ff9 [2020-10-14 20:56:59,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49b4cd4f5/0463ae6ffb7646e88c42c8582fb858b4 [2020-10-14 20:56:59,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 20:56:59,163 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 20:56:59,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 20:56:59,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 20:56:59,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 20:56:59,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:56:59" (1/1) ... [2020-10-14 20:56:59,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243026c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:56:59, skipping insertion in model container [2020-10-14 20:56:59,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:56:59" (1/1) ... [2020-10-14 20:56:59,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 20:56:59,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 20:56:59,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:56:59,868 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 20:57:00,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 20:57:00,074 INFO L208 MainTranslator]: Completed translation [2020-10-14 20:57:00,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00 WrapperNode [2020-10-14 20:57:00,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 20:57:00,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 20:57:00,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 20:57:00,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 20:57:00,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00" (1/1) ... [2020-10-14 20:57:00,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00" (1/1) ... [2020-10-14 20:57:00,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00" (1/1) ... [2020-10-14 20:57:00,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00" (1/1) ... [2020-10-14 20:57:00,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00" (1/1) ... [2020-10-14 20:57:00,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00" (1/1) ... [2020-10-14 20:57:00,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00" (1/1) ... [2020-10-14 20:57:00,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 20:57:00,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 20:57:00,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 20:57:00,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 20:57:00,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 20:57:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 20:57:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 20:57:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 20:57:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 20:57:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 20:57:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 20:57:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 20:57:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 20:57:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 20:57:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 20:57:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 20:57:02,380 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 20:57:02,381 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 20:57:02,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:57:02 BoogieIcfgContainer [2020-10-14 20:57:02,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 20:57:02,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 20:57:02,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 20:57:02,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 20:57:02,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:56:59" (1/3) ... [2020-10-14 20:57:02,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a658f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:57:02, skipping insertion in model container [2020-10-14 20:57:02,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:57:00" (2/3) ... [2020-10-14 20:57:02,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a658f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:57:02, skipping insertion in model container [2020-10-14 20:57:02,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:57:02" (3/3) ... [2020-10-14 20:57:02,398 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label16.c [2020-10-14 20:57:02,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 20:57:02,419 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 20:57:02,437 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 20:57:02,467 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 20:57:02,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 20:57:02,468 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 20:57:02,468 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 20:57:02,468 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 20:57:02,469 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 20:57:02,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 20:57:02,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 20:57:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 20:57:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 20:57:02,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:02,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:02,515 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:02,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:02,522 INFO L82 PathProgramCache]: Analyzing trace with hash -467621694, now seen corresponding path program 1 times [2020-10-14 20:57:02,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:02,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63728720] [2020-10-14 20:57:02,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:02,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:03,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:03,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-14 20:57:03,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:03,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-10-14 20:57:03,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:03,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:03,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:57:03,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:57:03,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 20:57:03,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 20:57:03,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:03,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:03,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:03,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:03,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:03,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 20:57:03,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:03,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:03,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:03,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:03,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:57:03,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:57:03,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63728720] [2020-10-14 20:57:03,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:57:03,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 20:57:03,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865411238] [2020-10-14 20:57:03,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 20:57:03,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:03,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 20:57:03,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 20:57:03,410 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 20:57:05,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:05,933 INFO L93 Difference]: Finished difference Result 805 states and 1402 transitions. [2020-10-14 20:57:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:57:05,935 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-10-14 20:57:05,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:05,967 INFO L225 Difference]: With dead ends: 805 [2020-10-14 20:57:05,968 INFO L226 Difference]: Without dead ends: 433 [2020-10-14 20:57:05,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:57:06,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-10-14 20:57:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 424. [2020-10-14 20:57:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-14 20:57:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 611 transitions. [2020-10-14 20:57:06,119 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 611 transitions. Word has length 49 [2020-10-14 20:57:06,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:06,119 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 611 transitions. [2020-10-14 20:57:06,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 20:57:06,119 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 611 transitions. [2020-10-14 20:57:06,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-14 20:57:06,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:06,129 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:06,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 20:57:06,132 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:06,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:06,133 INFO L82 PathProgramCache]: Analyzing trace with hash 2024977826, now seen corresponding path program 1 times [2020-10-14 20:57:06,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:06,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907539668] [2020-10-14 20:57:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:06,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:06,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:07,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:07,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:07,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 20:57:07,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:57:07,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1461 [2020-10-14 20:57:07,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:07,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:57:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:57:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:57:07,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:07,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:07,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:07,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:07,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:07,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:07,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:57:07,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:07,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:57:07,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:07,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:07,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:07,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:07,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:57:07,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:07,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-14 20:57:07,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:08,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:08,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:08,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 20:57:08,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-14 20:57:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:57:08,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907539668] [2020-10-14 20:57:08,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:57:08,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:57:08,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179926137] [2020-10-14 20:57:08,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:57:08,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:08,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:57:08,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:57:08,100 INFO L87 Difference]: Start difference. First operand 424 states and 611 transitions. Second operand 7 states. [2020-10-14 20:57:10,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:10,509 INFO L93 Difference]: Finished difference Result 1267 states and 1865 transitions. [2020-10-14 20:57:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:57:10,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-10-14 20:57:10,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:10,520 INFO L225 Difference]: With dead ends: 1267 [2020-10-14 20:57:10,520 INFO L226 Difference]: Without dead ends: 849 [2020-10-14 20:57:10,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:57:10,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2020-10-14 20:57:10,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 817. [2020-10-14 20:57:10,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2020-10-14 20:57:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1126 transitions. [2020-10-14 20:57:10,583 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1126 transitions. Word has length 121 [2020-10-14 20:57:10,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:10,587 INFO L479 AbstractCegarLoop]: Abstraction has 817 states and 1126 transitions. [2020-10-14 20:57:10,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:57:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1126 transitions. [2020-10-14 20:57:10,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 20:57:10,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:10,598 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:10,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 20:57:10,599 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:10,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:10,599 INFO L82 PathProgramCache]: Analyzing trace with hash 2027738246, now seen corresponding path program 1 times [2020-10-14 20:57:10,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:10,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490748500] [2020-10-14 20:57:10,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:10,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:10,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:11,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:12,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:12,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 20:57:12,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:57:12,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1504 [2020-10-14 20:57:12,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:12,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:57:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:57:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 20:57:12,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:12,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:12,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:12,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:12,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:12,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 20:57:12,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:12,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:57:12,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 20:57:12,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:12,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:12,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:12,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:57:12,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:12,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-14 20:57:12,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:12,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:12,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:57:12,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:57:12,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490748500] [2020-10-14 20:57:12,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:57:12,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:57:12,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785826072] [2020-10-14 20:57:12,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:57:12,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:12,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:57:12,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:57:12,607 INFO L87 Difference]: Start difference. First operand 817 states and 1126 transitions. Second operand 7 states. [2020-10-14 20:57:15,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:15,275 INFO L93 Difference]: Finished difference Result 2428 states and 3392 transitions. [2020-10-14 20:57:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:57:15,277 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-10-14 20:57:15,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:15,287 INFO L225 Difference]: With dead ends: 2428 [2020-10-14 20:57:15,287 INFO L226 Difference]: Without dead ends: 1617 [2020-10-14 20:57:15,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:57:15,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2020-10-14 20:57:15,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1595. [2020-10-14 20:57:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1595 states. [2020-10-14 20:57:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2059 transitions. [2020-10-14 20:57:15,387 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2059 transitions. Word has length 123 [2020-10-14 20:57:15,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:15,388 INFO L479 AbstractCegarLoop]: Abstraction has 1595 states and 2059 transitions. [2020-10-14 20:57:15,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:57:15,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2059 transitions. [2020-10-14 20:57:15,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 20:57:15,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:15,393 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:15,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 20:57:15,393 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:15,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:15,394 INFO L82 PathProgramCache]: Analyzing trace with hash 988787061, now seen corresponding path program 1 times [2020-10-14 20:57:15,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:15,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5686607] [2020-10-14 20:57:15,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:15,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:15,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:16,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:16,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 20:57:16,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:57:16,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 940 [2020-10-14 20:57:16,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:16,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:16,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:57:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:57:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 20:57:16,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 20:57:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:16,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:16,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:16,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:16,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:16,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 20:57:16,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:16,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:16,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:16,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:16,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:57:16,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:16,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:16,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:16,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:16,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 20:57:16,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:16,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-14 20:57:16,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:16,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:16,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:16,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 20:57:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:57:16,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5686607] [2020-10-14 20:57:16,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 20:57:16,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 20:57:16,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844403631] [2020-10-14 20:57:16,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:57:16,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:16,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:57:16,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:57:16,769 INFO L87 Difference]: Start difference. First operand 1595 states and 2059 transitions. Second operand 7 states. [2020-10-14 20:57:19,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:19,300 INFO L93 Difference]: Finished difference Result 3278 states and 4584 transitions. [2020-10-14 20:57:19,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 20:57:19,301 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-10-14 20:57:19,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:19,315 INFO L225 Difference]: With dead ends: 3278 [2020-10-14 20:57:19,315 INFO L226 Difference]: Without dead ends: 1689 [2020-10-14 20:57:19,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 20:57:19,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2020-10-14 20:57:19,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1614. [2020-10-14 20:57:19,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1614 states. [2020-10-14 20:57:19,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2036 transitions. [2020-10-14 20:57:19,385 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2036 transitions. Word has length 124 [2020-10-14 20:57:19,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:19,386 INFO L479 AbstractCegarLoop]: Abstraction has 1614 states and 2036 transitions. [2020-10-14 20:57:19,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:57:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2036 transitions. [2020-10-14 20:57:19,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-14 20:57:19,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:19,389 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:19,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 20:57:19,389 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:19,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:19,390 INFO L82 PathProgramCache]: Analyzing trace with hash -2045537286, now seen corresponding path program 1 times [2020-10-14 20:57:19,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:19,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879400161] [2020-10-14 20:57:19,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:19,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:19,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:19,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-14 20:57:19,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:19,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-14 20:57:19,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:19,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:57:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-14 20:57:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:19,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:19,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:19,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:19,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:19,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:19,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:57:19,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:19,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:19,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:19,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:19,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:20,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:20,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:57:20,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-14 20:57:20,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:20,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:57:20,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 20:57:20,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879400161] [2020-10-14 20:57:20,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:20,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:57:20,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198675158] [2020-10-14 20:57:20,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:57:20,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:20,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:57:20,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:57:20,088 INFO L87 Difference]: Start difference. First operand 1614 states and 2036 transitions. Second operand 5 states. [2020-10-14 20:57:21,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:21,969 INFO L93 Difference]: Finished difference Result 3261 states and 4325 transitions. [2020-10-14 20:57:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:57:21,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 180 [2020-10-14 20:57:21,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:21,989 INFO L225 Difference]: With dead ends: 3261 [2020-10-14 20:57:21,989 INFO L226 Difference]: Without dead ends: 2425 [2020-10-14 20:57:21,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:57:21,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2425 states. [2020-10-14 20:57:22,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2425 to 2410. [2020-10-14 20:57:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2410 states. [2020-10-14 20:57:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3054 transitions. [2020-10-14 20:57:22,055 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3054 transitions. Word has length 180 [2020-10-14 20:57:22,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:22,056 INFO L479 AbstractCegarLoop]: Abstraction has 2410 states and 3054 transitions. [2020-10-14 20:57:22,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:57:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3054 transitions. [2020-10-14 20:57:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-14 20:57:22,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:22,062 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:22,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 20:57:22,062 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:22,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:22,062 INFO L82 PathProgramCache]: Analyzing trace with hash 2085931980, now seen corresponding path program 1 times [2020-10-14 20:57:22,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:22,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271443179] [2020-10-14 20:57:22,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:22,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:22,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:22,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:24,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:24,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-14 20:57:24,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:57:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2004 [2020-10-14 20:57:24,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:24,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:24,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 20:57:24,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 20:57:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:24,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:24,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:24,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:24,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:24,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:24,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:57:24,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:24,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:24,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:24,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:24,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:24,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:24,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:57:24,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:24,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 20:57:24,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:24,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:24,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:24,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 20:57:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:24,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:57:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:24,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:24,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:24,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:57:24,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:24,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 20:57:24,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:24,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:24,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:24,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:24,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:57:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:24,725 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:57:24,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271443179] [2020-10-14 20:57:24,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:24,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:57:24,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995114692] [2020-10-14 20:57:24,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:57:24,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:24,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:57:24,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:57:24,728 INFO L87 Difference]: Start difference. First operand 2410 states and 3054 transitions. Second operand 7 states. [2020-10-14 20:57:27,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:27,471 INFO L93 Difference]: Finished difference Result 5041 states and 6591 transitions. [2020-10-14 20:57:27,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 20:57:27,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 239 [2020-10-14 20:57:27,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:27,495 INFO L225 Difference]: With dead ends: 5041 [2020-10-14 20:57:27,495 INFO L226 Difference]: Without dead ends: 3015 [2020-10-14 20:57:27,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 20:57:27,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2020-10-14 20:57:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 2990. [2020-10-14 20:57:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2990 states. [2020-10-14 20:57:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 3702 transitions. [2020-10-14 20:57:27,590 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 3702 transitions. Word has length 239 [2020-10-14 20:57:27,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:27,590 INFO L479 AbstractCegarLoop]: Abstraction has 2990 states and 3702 transitions. [2020-10-14 20:57:27,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:57:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3702 transitions. [2020-10-14 20:57:27,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-14 20:57:27,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:27,596 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:27,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 20:57:27,596 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:27,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:27,597 INFO L82 PathProgramCache]: Analyzing trace with hash 678883008, now seen corresponding path program 1 times [2020-10-14 20:57:27,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:27,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887280931] [2020-10-14 20:57:27,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:27,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:27,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:28,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:28,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-14 20:57:28,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:57:28,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 714 [2020-10-14 20:57:28,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:28,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-14 20:57:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 20:57:28,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:28,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:28,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:28,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:28,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:28,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:28,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:57:28,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:28,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:28,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:28,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:28,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:28,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-14 20:57:28,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:28,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 20:57:28,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:28,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:28,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:28,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:28,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:28,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 20:57:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:28,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:28,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:28,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 20:57:28,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:28,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 20:57:28,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:28,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 20:57:28,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-14 20:57:28,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887280931] [2020-10-14 20:57:28,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:28,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 20:57:28,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156994977] [2020-10-14 20:57:28,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 20:57:28,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:28,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 20:57:28,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 20:57:28,809 INFO L87 Difference]: Start difference. First operand 2990 states and 3702 transitions. Second operand 5 states. [2020-10-14 20:57:31,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:31,310 INFO L93 Difference]: Finished difference Result 6398 states and 8263 transitions. [2020-10-14 20:57:31,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 20:57:31,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2020-10-14 20:57:31,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:31,330 INFO L225 Difference]: With dead ends: 6398 [2020-10-14 20:57:31,331 INFO L226 Difference]: Without dead ends: 4378 [2020-10-14 20:57:31,337 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 [2020-10-14 20:57:31,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2020-10-14 20:57:31,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 3971. [2020-10-14 20:57:31,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3971 states. [2020-10-14 20:57:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3971 states and 4984 transitions. [2020-10-14 20:57:31,435 INFO L78 Accepts]: Start accepts. Automaton has 3971 states and 4984 transitions. Word has length 249 [2020-10-14 20:57:31,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:31,435 INFO L479 AbstractCegarLoop]: Abstraction has 3971 states and 4984 transitions. [2020-10-14 20:57:31,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 20:57:31,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 4984 transitions. [2020-10-14 20:57:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-14 20:57:31,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:31,441 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:57:31,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 20:57:31,442 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:31,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:31,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1940347326, now seen corresponding path program 1 times [2020-10-14 20:57:31,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:31,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625053208] [2020-10-14 20:57:31,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:31,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:31,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:31,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:33,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:33,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-14 20:57:33,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 20:57:33,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2192 [2020-10-14 20:57:33,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:33,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:33,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:33,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-14 20:57:33,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 20:57:33,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:33,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:33,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:33,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:33,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:33,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:33,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 20:57:33,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:33,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:33,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:33,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:33,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:33,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-14 20:57:33,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:33,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 20:57:33,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:33,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-14 20:57:33,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:34,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 20:57:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:34,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:34,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:34,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 20:57:34,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:34,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 20:57:34,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:34,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:34,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:57:34,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 20:57:34,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625053208] [2020-10-14 20:57:34,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:34,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:57:34,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977928719] [2020-10-14 20:57:34,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:57:34,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:34,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:57:34,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:57:34,412 INFO L87 Difference]: Start difference. First operand 3971 states and 4984 transitions. Second operand 7 states. [2020-10-14 20:57:37,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:37,361 INFO L93 Difference]: Finished difference Result 7598 states and 9689 transitions. [2020-10-14 20:57:37,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:57:37,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 254 [2020-10-14 20:57:37,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:37,417 INFO L225 Difference]: With dead ends: 7598 [2020-10-14 20:57:37,417 INFO L226 Difference]: Without dead ends: 4597 [2020-10-14 20:57:37,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:57:37,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4597 states. [2020-10-14 20:57:37,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4597 to 4564. [2020-10-14 20:57:37,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4564 states. [2020-10-14 20:57:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 4564 states and 5681 transitions. [2020-10-14 20:57:37,529 INFO L78 Accepts]: Start accepts. Automaton has 4564 states and 5681 transitions. Word has length 254 [2020-10-14 20:57:37,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:37,529 INFO L479 AbstractCegarLoop]: Abstraction has 4564 states and 5681 transitions. [2020-10-14 20:57:37,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:57:37,530 INFO L276 IsEmpty]: Start isEmpty. Operand 4564 states and 5681 transitions. [2020-10-14 20:57:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 20:57:37,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:37,536 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 20:57:37,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 20:57:37,536 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:37,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:37,537 INFO L82 PathProgramCache]: Analyzing trace with hash -677370260, now seen corresponding path program 1 times [2020-10-14 20:57:37,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:37,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [404510583] [2020-10-14 20:57:37,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:37,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:37,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:38,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:38,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:39,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:39,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 20:57:39,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 20:57:39,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1603 [2020-10-14 20:57:39,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:39,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 20:57:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 20:57:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-14 20:57:39,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:39,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:39,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:39,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:39,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:39,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 20:57:39,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:39,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 20:57:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 20:57:39,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:39,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:39,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:39,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:57:39,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 20:57:39,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:39,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:57:39,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:39,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:57:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:39,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:39,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:39,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:39,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 20:57:39,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:57:39,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-14 20:57:39,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:39,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:39,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:39,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:39,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 20:57:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 84 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-14 20:57:39,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [404510583] [2020-10-14 20:57:39,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:39,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 20:57:39,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088021910] [2020-10-14 20:57:39,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 20:57:39,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:39,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 20:57:39,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 20:57:39,792 INFO L87 Difference]: Start difference. First operand 4564 states and 5681 transitions. Second operand 6 states. [2020-10-14 20:57:42,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:42,951 INFO L93 Difference]: Finished difference Result 11860 states and 15919 transitions. [2020-10-14 20:57:42,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 20:57:42,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 255 [2020-10-14 20:57:42,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:43,000 INFO L225 Difference]: With dead ends: 11860 [2020-10-14 20:57:43,001 INFO L226 Difference]: Without dead ends: 7680 [2020-10-14 20:57:43,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 20:57:43,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7680 states. [2020-10-14 20:57:43,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7680 to 7272. [2020-10-14 20:57:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7272 states. [2020-10-14 20:57:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7272 states to 7272 states and 9761 transitions. [2020-10-14 20:57:43,201 INFO L78 Accepts]: Start accepts. Automaton has 7272 states and 9761 transitions. Word has length 255 [2020-10-14 20:57:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:43,202 INFO L479 AbstractCegarLoop]: Abstraction has 7272 states and 9761 transitions. [2020-10-14 20:57:43,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 20:57:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 7272 states and 9761 transitions. [2020-10-14 20:57:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-14 20:57:43,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 20:57:43,223 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 20:57:43,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 20:57:43,224 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 20:57:43,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 20:57:43,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1933626026, now seen corresponding path program 1 times [2020-10-14 20:57:43,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 20:57:43,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186043598] [2020-10-14 20:57:43,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 20:57:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:43,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:43,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:43,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:43,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:46,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:47,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:48,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:48,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-14 20:57:48,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 20:57:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-14 20:57:48,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:48,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 20:57:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 20:57:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 308 [2020-10-14 20:57:48,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:48,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 20:57:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:48,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:48,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:48,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 20:57:48,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:48,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 20:57:48,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:48,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 20:57:48,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:48,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 20:57:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:48,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:48,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:48,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:48,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 20:57:48,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:57:48,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-14 20:57:48,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:48,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:48,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:48,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 20:57:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:48,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 20:57:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:48,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:48,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:48,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:48,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 20:57:48,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 20:57:48,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 20:57:48,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:48,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 20:57:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 20:57:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 20:57:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 20:57:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-14 20:57:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 20:57:48,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 20:57:49,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 20:57:49,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 20:57:49,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 20:57:49,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 20:57:49,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 20:57:49,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 20:57:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 20:57:49,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 20:57:49,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 20:57:49,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 20:57:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 286 proven. 4 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-14 20:57:49,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186043598] [2020-10-14 20:57:49,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 20:57:49,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 20:57:49,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705901234] [2020-10-14 20:57:49,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 20:57:49,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 20:57:49,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 20:57:49,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 20:57:49,286 INFO L87 Difference]: Start difference. First operand 7272 states and 9761 transitions. Second operand 7 states. [2020-10-14 20:57:51,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 20:57:51,635 INFO L93 Difference]: Finished difference Result 13610 states and 18691 transitions. [2020-10-14 20:57:51,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 20:57:51,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 349 [2020-10-14 20:57:51,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 20:57:51,637 INFO L225 Difference]: With dead ends: 13610 [2020-10-14 20:57:51,637 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 20:57:51,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 20:57:51,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 20:57:51,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 20:57:51,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 20:57:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 20:57:51,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 349 [2020-10-14 20:57:51,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 20:57:51,668 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 20:57:51,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 20:57:51,669 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 20:57:51,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 20:57:51,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 20:57:51,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 20:57:52,657 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 34 [2020-10-14 20:57:52,799 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 35 [2020-10-14 20:57:52,907 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 35 [2020-10-14 20:57:52,912 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:57:52,912 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)|)) [2020-10-14 20:57:52,912 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:57:52,913 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 20:57:52,913 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 20:57:52,913 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 20:57:52,913 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,913 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,913 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,914 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,914 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,914 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,915 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,915 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 20:57:52,915 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 20:57:52,918 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 20:57:52,918 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,918 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,918 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,918 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,918 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,919 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,919 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,919 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,919 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,919 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 20:57:52,919 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 20:57:52,919 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 20:57:52,919 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,919 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,920 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,920 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,920 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,920 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,920 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,920 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,920 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,920 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 20:57:52,920 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 20:57:52,921 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 20:57:52,921 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 20:57:52,921 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 20:57:52,921 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 20:57:52,921 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 20:57:52,921 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,921 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,921 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,921 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 20:57:52,922 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,923 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,923 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,923 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,923 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,923 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 20:57:52,923 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 20:57:52,923 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 20:57:52,923 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,923 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,924 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,924 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,924 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,924 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 20:57:52,924 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 20:57:52,924 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,924 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,924 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,924 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,926 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,926 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,926 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 20:57:52,926 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 20:57:52,926 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,926 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,927 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 20:57:52,927 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 20:57:52,927 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 20:57:52,927 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,927 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,927 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,927 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,927 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,927 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,928 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,928 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 20:57:52,928 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 20:57:52,928 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 20:57:52,928 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 20:57:52,928 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 20:57:52,928 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 20:57:52,928 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 20:57:52,928 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,929 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,929 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 20:57:52,929 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 20:57:52,929 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,929 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,929 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,929 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,931 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (not (= |old(~a4~0)| 1))) (.cse1 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)))) (and (or .cse0 (not (<= |old(~a25~0)| 10)) .cse1) (or .cse0 .cse1 (not (<= |old(~a29~0)| 275))) (or .cse1 (not (= |old(~a4~0)| 0))) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 4))) .cse1))) [2020-10-14 20:57:52,932 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,932 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 20:57:52,932 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 20:57:52,932 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 20:57:52,932 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,932 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,932 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,932 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,932 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,933 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,933 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 20:57:52,933 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 20:57:52,933 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 20:57:52,933 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,933 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,933 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,933 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,933 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,934 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,935 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,935 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,935 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,935 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,935 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,935 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,935 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,935 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 20:57:52,935 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,936 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,937 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,938 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,938 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,938 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,938 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2020-10-14 20:57:52,938 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 20:57:52,938 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 20:57:52,938 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,938 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 20:57:52,939 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 20:57:52,940 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,941 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,942 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,942 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 20:57:52,942 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 20:57:52,942 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,942 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,942 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,942 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,942 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,942 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,943 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 20:57:52,944 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 20:57:52,945 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 20:57:52,947 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,948 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,948 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,948 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,950 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,950 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,950 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,950 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,950 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,950 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,951 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 20:57:52,953 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 20:57:52,953 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 20:57:52,953 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,953 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 20:57:52,953 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 20:57:52,953 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,954 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,954 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,954 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,954 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,954 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,954 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 20:57:52,954 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 20:57:52,954 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 20:57:52,954 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,955 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,955 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,955 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,955 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 20:57:52,955 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 20:57:52,955 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,955 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,955 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 20:57:52,956 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,956 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,956 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 20:57:52,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 20:57:52,958 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 10 ~a25~0) (= ~a29~0 130) (= ~a4~0 1) (= ~a23~0 312)) [2020-10-14 20:57:52,958 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 20:57:52,958 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 20:57:52,958 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (not (= 312 |old(~a23~0)|)) (not (= 130 |old(~a29~0)|)) (and (<= ~a25~0 10) (<= 10 ~a25~0) (= ~a4~0 |old(~a4~0)|) (= ~a29~0 130) (= ~a23~0 312))) [2020-10-14 20:57:52,958 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 20:57:52,958 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (<= ~a29~0 275) .cse0) (= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (not (= 130 |old(~a29~0)|)) (and (<= ~a25~0 10) .cse0) (and .cse0 (<= 0 (+ ~a23~0 4))))) [2020-10-14 20:57:52,959 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 20:57:52,959 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 20:57:52,959 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (not (<= 10 |old(~a25~0)|)) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (<= ~a29~0 275) .cse0) (= ~a4~0 0) (not (= 312 |old(~a23~0)|)) (not (= 130 |old(~a29~0)|)) (and (<= ~a25~0 10) .cse0) (and .cse0 (<= 0 (+ ~a23~0 4))))) [2020-10-14 20:57:52,959 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 20:57:52,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:57:52 BoogieIcfgContainer [2020-10-14 20:57:52,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 20:57:53,001 INFO L168 Benchmark]: Toolchain (without parser) took 53838.71 ms. Allocated memory was 147.3 MB in the beginning and 792.7 MB in the end (delta: 645.4 MB). Free memory was 100.5 MB in the beginning and 389.8 MB in the end (delta: -289.2 MB). Peak memory consumption was 356.2 MB. Max. memory is 7.1 GB. [2020-10-14 20:57:53,003 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 20:57:53,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.22 ms. Allocated memory was 147.3 MB in the beginning and 210.8 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 162.9 MB in the end (delta: -62.3 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:57:53,006 INFO L168 Benchmark]: Boogie Preprocessor took 169.98 ms. Allocated memory is still 210.8 MB. Free memory was 162.9 MB in the beginning and 155.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-10-14 20:57:53,009 INFO L168 Benchmark]: RCFGBuilder took 2142.15 ms. Allocated memory was 210.8 MB in the beginning and 239.6 MB in the end (delta: 28.8 MB). Free memory was 155.4 MB in the beginning and 94.6 MB in the end (delta: 60.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2020-10-14 20:57:53,011 INFO L168 Benchmark]: TraceAbstraction took 50608.79 ms. Allocated memory was 239.6 MB in the beginning and 792.7 MB in the end (delta: 553.1 MB). Free memory was 94.6 MB in the beginning and 389.8 MB in the end (delta: -295.2 MB). Peak memory consumption was 257.9 MB. Max. memory is 7.1 GB. [2020-10-14 20:57:53,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 912.22 ms. Allocated memory was 147.3 MB in the beginning and 210.8 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 162.9 MB in the end (delta: -62.3 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.98 ms. Allocated memory is still 210.8 MB. Free memory was 162.9 MB in the beginning and 155.4 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2142.15 ms. Allocated memory was 210.8 MB in the beginning and 239.6 MB in the end (delta: 28.8 MB). Free memory was 155.4 MB in the beginning and 94.6 MB in the end (delta: 60.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 50608.79 ms. Allocated memory was 239.6 MB in the beginning and 792.7 MB in the end (delta: 553.1 MB). Free memory was 94.6 MB in the beginning and 389.8 MB in the end (delta: -295.2 MB). Peak memory consumption was 257.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 135]: 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: (((((((!(10 <= \old(a25)) || !(\old(a4) == 1)) || !(\old(a25) <= 10)) || (a29 <= 275 && a4 == 1)) || a4 == 0) || !(312 == \old(a23))) || !(130 == \old(a29))) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && 0 <= a23 + 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 49.2s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 450 SDtfs, 6736 SDslu, 801 SDs, 0 SdLazy, 12992 SolverSat, 2080 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7272occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 1026 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 161 PreInvPairs, 251 NumberOfFragments, 272 HoareAnnotationTreeSize, 161 FomulaSimplifications, 5496 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2963 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 1943 NumberOfCodeBlocks, 1943 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1933 ConstructedInterpolants, 0 QuantifiedInterpolants, 1085871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 1173/1186 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...