/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 02:33:46,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 02:33:46,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 02:33:46,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 02:33:46,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 02:33:46,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 02:33:46,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 02:33:46,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 02:33:46,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 02:33:46,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 02:33:46,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 02:33:46,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 02:33:46,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 02:33:46,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 02:33:46,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 02:33:46,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 02:33:46,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 02:33:46,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 02:33:46,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 02:33:46,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 02:33:46,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 02:33:46,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 02:33:46,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 02:33:46,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 02:33:46,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 02:33:46,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 02:33:46,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 02:33:46,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 02:33:46,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 02:33:46,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 02:33:46,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 02:33:46,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 02:33:46,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 02:33:46,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 02:33:46,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 02:33:46,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 02:33:46,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 02:33:46,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 02:33:46,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 02:33:46,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 02:33:46,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 02:33:46,903 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 02:33:46,942 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 02:33:46,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 02:33:46,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 02:33:46,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 02:33:46,944 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 02:33:46,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 02:33:46,945 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 02:33:46,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 02:33:46,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 02:33:46,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 02:33:46,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 02:33:46,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 02:33:46,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 02:33:46,949 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 02:33:46,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 02:33:46,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 02:33:46,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 02:33:46,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 02:33:46,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 02:33:46,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 02:33:46,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 02:33:46,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 02:33:46,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 02:33:46,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 02:33:46,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 02:33:46,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 02:33:46,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 02:33:46,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 02:33:46,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 02:33:46,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 02:33:47,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 02:33:47,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 02:33:47,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 02:33:47,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 02:33:47,296 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 02:33:47,297 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label17.c [2020-10-14 02:33:47,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a26f0d170/6d60536fadf74d0ea9e81d6ebf8c1630/FLAGbb348ee39 [2020-10-14 02:33:47,994 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 02:33:47,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label17.c [2020-10-14 02:33:48,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a26f0d170/6d60536fadf74d0ea9e81d6ebf8c1630/FLAGbb348ee39 [2020-10-14 02:33:48,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a26f0d170/6d60536fadf74d0ea9e81d6ebf8c1630 [2020-10-14 02:33:48,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 02:33:48,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 02:33:48,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 02:33:48,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 02:33:48,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 02:33:48,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:33:48" (1/1) ... [2020-10-14 02:33:48,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:48, skipping insertion in model container [2020-10-14 02:33:48,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:33:48" (1/1) ... [2020-10-14 02:33:48,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 02:33:48,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 02:33:49,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:33:49,061 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 02:33:49,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 02:33:49,259 INFO L208 MainTranslator]: Completed translation [2020-10-14 02:33:49,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49 WrapperNode [2020-10-14 02:33:49,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 02:33:49,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 02:33:49,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 02:33:49,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 02:33:49,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49" (1/1) ... [2020-10-14 02:33:49,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49" (1/1) ... [2020-10-14 02:33:49,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49" (1/1) ... [2020-10-14 02:33:49,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49" (1/1) ... [2020-10-14 02:33:49,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49" (1/1) ... [2020-10-14 02:33:49,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49" (1/1) ... [2020-10-14 02:33:49,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49" (1/1) ... [2020-10-14 02:33:49,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 02:33:49,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 02:33:49,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 02:33:49,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 02:33:49,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49" (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 02:33:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 02:33:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 02:33:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 02:33:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 02:33:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 02:33:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 02:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 02:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 02:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 02:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 02:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 02:33:51,299 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 02:33:51,300 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 02:33:51,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:33:51 BoogieIcfgContainer [2020-10-14 02:33:51,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 02:33:51,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 02:33:51,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 02:33:51,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 02:33:51,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:33:48" (1/3) ... [2020-10-14 02:33:51,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7ca375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:33:51, skipping insertion in model container [2020-10-14 02:33:51,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:33:49" (2/3) ... [2020-10-14 02:33:51,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7ca375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:33:51, skipping insertion in model container [2020-10-14 02:33:51,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:33:51" (3/3) ... [2020-10-14 02:33:51,328 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label17.c [2020-10-14 02:33:51,340 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 02:33:51,354 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 02:33:51,370 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 02:33:51,407 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 02:33:51,408 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 02:33:51,408 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 02:33:51,408 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 02:33:51,408 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 02:33:51,408 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 02:33:51,409 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 02:33:51,409 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 02:33:51,446 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-14 02:33:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-14 02:33:51,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:51,457 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] [2020-10-14 02:33:51,457 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:51,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:51,500 INFO L82 PathProgramCache]: Analyzing trace with hash 2013037499, now seen corresponding path program 1 times [2020-10-14 02:33:51,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:51,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117719838] [2020-10-14 02:33:51,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:51,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:52,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:52,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 02:33:52,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:52,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-14 02:33:52,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:52,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 02:33:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 02:33:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 02:33:52,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 02:33:52,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:52,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:52,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:52,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:52,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:52,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 02:33:52,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:52,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 02:33:52,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:52,299 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 02:33:52,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117719838] [2020-10-14 02:33:52,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 02:33:52,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 02:33:52,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256259166] [2020-10-14 02:33:52,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 02:33:52,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:52,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 02:33:52,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 02:33:52,331 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-10-14 02:33:54,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:54,580 INFO L93 Difference]: Finished difference Result 788 states and 1382 transitions. [2020-10-14 02:33:54,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:54,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-10-14 02:33:54,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:54,600 INFO L225 Difference]: With dead ends: 788 [2020-10-14 02:33:54,600 INFO L226 Difference]: Without dead ends: 431 [2020-10-14 02:33:54,613 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 02:33:54,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-14 02:33:54,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2020-10-14 02:33:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-14 02:33:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-14 02:33:54,694 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 44 [2020-10-14 02:33:54,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:54,694 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-14 02:33:54,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 02:33:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-14 02:33:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 02:33:54,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:54,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:54,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 02:33:54,701 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:54,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:54,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1751018566, now seen corresponding path program 1 times [2020-10-14 02:33:54,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:54,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157867240] [2020-10-14 02:33:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:54,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:54,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:55,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:56,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:56,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 02:33:56,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:33:56,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1373 [2020-10-14 02:33:56,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:56,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:56,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:33:56,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 02:33:56,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:33:56,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:56,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:33:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:56,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:56,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:56,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:33:56,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:56,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 02:33:56,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:56,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:33:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:56,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:33:56,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:56,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:33:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:56,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:56,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:33:56,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 02:33:56,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:33:56,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 02:33:56,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:33:56,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:33:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:33:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:33:56,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 02:33:56,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:33:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:33:56,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157867240] [2020-10-14 02:33:56,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:33:56,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:33:56,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366409362] [2020-10-14 02:33:56,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:33:56,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:33:56,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:33:56,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:33:56,377 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 5 states. [2020-10-14 02:33:58,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:33:58,620 INFO L93 Difference]: Finished difference Result 1246 states and 1814 transitions. [2020-10-14 02:33:58,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:33:58,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-10-14 02:33:58,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:33:58,632 INFO L225 Difference]: With dead ends: 1246 [2020-10-14 02:33:58,632 INFO L226 Difference]: Without dead ends: 827 [2020-10-14 02:33:58,636 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 02:33:58,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-10-14 02:33:58,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 811. [2020-10-14 02:33:58,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-10-14 02:33:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1083 transitions. [2020-10-14 02:33:58,685 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1083 transitions. Word has length 116 [2020-10-14 02:33:58,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:33:58,686 INFO L479 AbstractCegarLoop]: Abstraction has 811 states and 1083 transitions. [2020-10-14 02:33:58,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:33:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1083 transitions. [2020-10-14 02:33:58,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-14 02:33:58,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:33:58,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:33:58,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 02:33:58,691 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:33:58,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:33:58,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1166670486, now seen corresponding path program 1 times [2020-10-14 02:33:58,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:33:58,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082988876] [2020-10-14 02:33:58,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:33:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:33:58,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:58,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:33:59,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:00,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:00,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 02:34:00,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:34:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1546 [2020-10-14 02:34:00,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:00,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 02:34:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:34:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:00,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:00,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:00,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:00,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:34:00,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:00,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:00,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:00,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:00,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 02:34:00,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:00,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 02:34:00,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:00,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:00,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:00,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:00,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 02:34:00,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:34:00,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082988876] [2020-10-14 02:34:00,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:00,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:34:00,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475394382] [2020-10-14 02:34:00,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:34:00,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:00,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:34:00,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:34:00,500 INFO L87 Difference]: Start difference. First operand 811 states and 1083 transitions. Second operand 5 states. [2020-10-14 02:34:02,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:02,667 INFO L93 Difference]: Finished difference Result 2017 states and 2762 transitions. [2020-10-14 02:34:02,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:34:02,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-14 02:34:02,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:02,675 INFO L225 Difference]: With dead ends: 2017 [2020-10-14 02:34:02,675 INFO L226 Difference]: Without dead ends: 1212 [2020-10-14 02:34:02,677 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 02:34:02,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2020-10-14 02:34:02,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1194. [2020-10-14 02:34:02,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-14 02:34:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1556 transitions. [2020-10-14 02:34:02,716 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1556 transitions. Word has length 118 [2020-10-14 02:34:02,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:02,717 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1556 transitions. [2020-10-14 02:34:02,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:34:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1556 transitions. [2020-10-14 02:34:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 02:34:02,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:02,721 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:02,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 02:34:02,721 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:02,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:02,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1884012758, now seen corresponding path program 1 times [2020-10-14 02:34:02,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:02,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366305618] [2020-10-14 02:34:02,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:02,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:02,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:03,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:03,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:04,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:04,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 02:34:04,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 02:34:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1418 [2020-10-14 02:34:04,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:04,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:04,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 02:34:04,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:34:04,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 02:34:04,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:04,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:04,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:04,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:04,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:04,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:34:04,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:04,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:04,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:04,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:04,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:04,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:04,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:34:04,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:04,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 02:34:04,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:04,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:04,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 02:34:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:34:04,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366305618] [2020-10-14 02:34:04,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:04,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:34:04,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986305585] [2020-10-14 02:34:04,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:34:04,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:04,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:34:04,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:34:04,388 INFO L87 Difference]: Start difference. First operand 1194 states and 1556 transitions. Second operand 5 states. [2020-10-14 02:34:06,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:06,796 INFO L93 Difference]: Finished difference Result 2782 states and 3719 transitions. [2020-10-14 02:34:06,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:34:06,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-10-14 02:34:06,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:06,808 INFO L225 Difference]: With dead ends: 2782 [2020-10-14 02:34:06,808 INFO L226 Difference]: Without dead ends: 1594 [2020-10-14 02:34:06,811 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 02:34:06,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2020-10-14 02:34:06,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1577. [2020-10-14 02:34:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1577 states. [2020-10-14 02:34:06,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2035 transitions. [2020-10-14 02:34:06,885 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2035 transitions. Word has length 124 [2020-10-14 02:34:06,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:06,886 INFO L479 AbstractCegarLoop]: Abstraction has 1577 states and 2035 transitions. [2020-10-14 02:34:06,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:34:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2035 transitions. [2020-10-14 02:34:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-14 02:34:06,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:06,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:06,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 02:34:06,891 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:06,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:06,892 INFO L82 PathProgramCache]: Analyzing trace with hash 716839870, now seen corresponding path program 1 times [2020-10-14 02:34:06,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:06,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692700409] [2020-10-14 02:34:06,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:06,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:07,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:07,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:07,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 02:34:07,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:34:07,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 787 [2020-10-14 02:34:07,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:07,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:07,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:07,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 02:34:07,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:34:07,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:07,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:07,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:07,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:07,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:07,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:07,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 02:34:07,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:07,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:07,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:07,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:07,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:07,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:07,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 02:34:07,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:07,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 02:34:07,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:07,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:07,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 02:34:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 02:34:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:34:07,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692700409] [2020-10-14 02:34:07,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:07,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:34:07,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480530389] [2020-10-14 02:34:07,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:34:07,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:07,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:34:07,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:34:07,974 INFO L87 Difference]: Start difference. First operand 1577 states and 2035 transitions. Second operand 5 states. [2020-10-14 02:34:10,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:10,396 INFO L93 Difference]: Finished difference Result 3180 states and 4306 transitions. [2020-10-14 02:34:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:34:10,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-10-14 02:34:10,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:10,414 INFO L225 Difference]: With dead ends: 3180 [2020-10-14 02:34:10,414 INFO L226 Difference]: Without dead ends: 2375 [2020-10-14 02:34:10,417 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 02:34:10,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2020-10-14 02:34:10,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2358. [2020-10-14 02:34:10,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2358 states. [2020-10-14 02:34:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 2358 states and 3040 transitions. [2020-10-14 02:34:10,490 INFO L78 Accepts]: Start accepts. Automaton has 2358 states and 3040 transitions. Word has length 130 [2020-10-14 02:34:10,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:10,491 INFO L479 AbstractCegarLoop]: Abstraction has 2358 states and 3040 transitions. [2020-10-14 02:34:10,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:34:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 3040 transitions. [2020-10-14 02:34:10,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 02:34:10,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:10,495 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:34:10,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 02:34:10,496 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:10,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:10,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1098409774, now seen corresponding path program 1 times [2020-10-14 02:34:10,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:10,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582982600] [2020-10-14 02:34:10,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:10,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:10,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:11,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:11,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 02:34:11,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:34:11,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-10-14 02:34:11,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:11,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:11,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:11,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-14 02:34:11,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:34:11,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:11,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:11,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:11,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:11,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:11,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:11,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:34:11,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:11,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:11,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:11,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:11,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:11,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 02:34:11,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 02:34:11,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:11,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 02:34:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 02:34:11,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582982600] [2020-10-14 02:34:11,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:11,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:34:11,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517851950] [2020-10-14 02:34:11,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:34:11,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:11,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:34:11,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:34:11,784 INFO L87 Difference]: Start difference. First operand 2358 states and 3040 transitions. Second operand 5 states. [2020-10-14 02:34:13,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:13,987 INFO L93 Difference]: Finished difference Result 5318 states and 7033 transitions. [2020-10-14 02:34:13,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:34:13,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-14 02:34:13,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:14,007 INFO L225 Difference]: With dead ends: 5318 [2020-10-14 02:34:14,007 INFO L226 Difference]: Without dead ends: 2966 [2020-10-14 02:34:14,013 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 02:34:14,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2020-10-14 02:34:14,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2932. [2020-10-14 02:34:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2932 states. [2020-10-14 02:34:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 3779 transitions. [2020-10-14 02:34:14,087 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 3779 transitions. Word has length 138 [2020-10-14 02:34:14,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:14,088 INFO L479 AbstractCegarLoop]: Abstraction has 2932 states and 3779 transitions. [2020-10-14 02:34:14,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:34:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 3779 transitions. [2020-10-14 02:34:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 02:34:14,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:14,092 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:34:14,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 02:34:14,093 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:14,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:14,093 INFO L82 PathProgramCache]: Analyzing trace with hash -303092310, now seen corresponding path program 1 times [2020-10-14 02:34:14,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:14,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193567296] [2020-10-14 02:34:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:14,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:14,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:15,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:16,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:16,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-14 02:34:16,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:34:16,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2845 [2020-10-14 02:34:16,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:16,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:16,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:16,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 02:34:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 02:34:16,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:17,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:17,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:17,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:17,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:17,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:17,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:34:17,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:17,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:17,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:17,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:17,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:17,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 02:34:17,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 02:34:17,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:17,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-14 02:34:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:17,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-14 02:34:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:17,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:17,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:17,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 02:34:17,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:17,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 02:34:17,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:17,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:17,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:17,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:17,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 02:34:17,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:17,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193567296] [2020-10-14 02:34:17,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:17,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:17,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295463393] [2020-10-14 02:34:17,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:17,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:17,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:17,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:17,503 INFO L87 Difference]: Start difference. First operand 2932 states and 3779 transitions. Second operand 7 states. [2020-10-14 02:34:20,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:20,581 INFO L93 Difference]: Finished difference Result 8673 states and 12882 transitions. [2020-10-14 02:34:20,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:34:20,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-10-14 02:34:20,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:20,624 INFO L225 Difference]: With dead ends: 8673 [2020-10-14 02:34:20,624 INFO L226 Difference]: Without dead ends: 5747 [2020-10-14 02:34:20,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:34:20,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5747 states. [2020-10-14 02:34:20,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5747 to 5490. [2020-10-14 02:34:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5490 states. [2020-10-14 02:34:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5490 states to 5490 states and 6985 transitions. [2020-10-14 02:34:20,828 INFO L78 Accepts]: Start accepts. Automaton has 5490 states and 6985 transitions. Word has length 207 [2020-10-14 02:34:20,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:20,828 INFO L479 AbstractCegarLoop]: Abstraction has 5490 states and 6985 transitions. [2020-10-14 02:34:20,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 5490 states and 6985 transitions. [2020-10-14 02:34:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-14 02:34:20,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:20,834 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:34:20,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 02:34:20,835 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:20,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:20,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1948444862, now seen corresponding path program 1 times [2020-10-14 02:34:20,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:20,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153424188] [2020-10-14 02:34:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:20,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:20,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:21,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:21,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:22,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:24,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:25,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:25,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:25,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-14 02:34:25,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 02:34:25,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4709 [2020-10-14 02:34:25,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:25,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:25,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:25,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 02:34:25,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 02:34:25,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 02:34:25,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:25,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:25,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:25,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:25,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:25,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:34:25,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:25,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:25,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:25,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:25,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:25,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:34:25,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:25,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 02:34:25,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:25,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 02:34:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:25,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 02:34:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:25,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:25,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:25,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 02:34:25,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:25,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 02:34:25,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:25,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:25,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 02:34:25,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:25,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153424188] [2020-10-14 02:34:25,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:25,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:25,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672946440] [2020-10-14 02:34:25,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:25,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:25,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:25,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:25,995 INFO L87 Difference]: Start difference. First operand 5490 states and 6985 transitions. Second operand 7 states. [2020-10-14 02:34:29,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:29,016 INFO L93 Difference]: Finished difference Result 13177 states and 17550 transitions. [2020-10-14 02:34:29,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:34:29,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-10-14 02:34:29,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:29,055 INFO L225 Difference]: With dead ends: 13177 [2020-10-14 02:34:29,055 INFO L226 Difference]: Without dead ends: 7693 [2020-10-14 02:34:29,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:34:29,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7693 states. [2020-10-14 02:34:29,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7693 to 7649. [2020-10-14 02:34:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7649 states. [2020-10-14 02:34:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7649 states to 7649 states and 9931 transitions. [2020-10-14 02:34:29,276 INFO L78 Accepts]: Start accepts. Automaton has 7649 states and 9931 transitions. Word has length 211 [2020-10-14 02:34:29,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:29,277 INFO L479 AbstractCegarLoop]: Abstraction has 7649 states and 9931 transitions. [2020-10-14 02:34:29,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 7649 states and 9931 transitions. [2020-10-14 02:34:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-14 02:34:29,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:29,291 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:34:29,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 02:34:29,291 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:29,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:29,292 INFO L82 PathProgramCache]: Analyzing trace with hash 192360270, now seen corresponding path program 1 times [2020-10-14 02:34:29,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:29,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014271054] [2020-10-14 02:34:29,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:29,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:29,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:30,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:32,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:34,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:34,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-14 02:34:34,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:34:34,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4979 [2020-10-14 02:34:34,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:34,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:34,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:34,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-10-14 02:34:34,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 02:34:34,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:34,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:34,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:34,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:34,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:34,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:34:34,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:34,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:34,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:34,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:34,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:34,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:34,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:34,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-14 02:34:34,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-14 02:34:34,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:34,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-14 02:34:34,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:34,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 02:34:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:34,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:34,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:34,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 02:34:34,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-14 02:34:34,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:34,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:34,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:34,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:34,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-14 02:34:34,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:34,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014271054] [2020-10-14 02:34:34,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:34,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:34,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136915075] [2020-10-14 02:34:34,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:34,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:34,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:34,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:34,865 INFO L87 Difference]: Start difference. First operand 7649 states and 9931 transitions. Second operand 7 states. [2020-10-14 02:34:38,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:38,745 INFO L93 Difference]: Finished difference Result 16663 states and 22648 transitions. [2020-10-14 02:34:38,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:34:38,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 274 [2020-10-14 02:34:38,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:38,809 INFO L225 Difference]: With dead ends: 16663 [2020-10-14 02:34:38,810 INFO L226 Difference]: Without dead ends: 11330 [2020-10-14 02:34:38,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 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 02:34:38,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11330 states. [2020-10-14 02:34:39,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11330 to 10948. [2020-10-14 02:34:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10948 states. [2020-10-14 02:34:39,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10948 states to 10948 states and 14538 transitions. [2020-10-14 02:34:39,122 INFO L78 Accepts]: Start accepts. Automaton has 10948 states and 14538 transitions. Word has length 274 [2020-10-14 02:34:39,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:39,123 INFO L479 AbstractCegarLoop]: Abstraction has 10948 states and 14538 transitions. [2020-10-14 02:34:39,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:39,123 INFO L276 IsEmpty]: Start isEmpty. Operand 10948 states and 14538 transitions. [2020-10-14 02:34:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-14 02:34:39,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:39,142 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:34:39,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 02:34:39,143 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:39,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:39,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1868718177, now seen corresponding path program 1 times [2020-10-14 02:34:39,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:39,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34089026] [2020-10-14 02:34:39,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:39,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:39,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:39,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:40,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:40,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:42,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:42,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-14 02:34:42,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:34:42,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3674 [2020-10-14 02:34:42,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:42,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-14 02:34:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 02:34:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:42,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:42,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:42,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:42,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:42,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:42,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:34:42,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:42,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:42,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:42,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:42,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:42,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:43,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:43,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 02:34:43,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:43,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 02:34:43,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:43,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:43,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:43,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 02:34:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:43,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 02:34:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:43,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:43,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:43,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-14 02:34:43,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:43,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 02:34:43,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:43,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:43,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-14 02:34:43,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 151 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:43,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34089026] [2020-10-14 02:34:43,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:43,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:43,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877352869] [2020-10-14 02:34:43,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:43,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:43,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:43,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:43,373 INFO L87 Difference]: Start difference. First operand 10948 states and 14538 transitions. Second operand 7 states. [2020-10-14 02:34:46,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:46,384 INFO L93 Difference]: Finished difference Result 24367 states and 34231 transitions. [2020-10-14 02:34:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:34:46,385 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 282 [2020-10-14 02:34:46,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:46,460 INFO L225 Difference]: With dead ends: 24367 [2020-10-14 02:34:46,460 INFO L226 Difference]: Without dead ends: 15751 [2020-10-14 02:34:46,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 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 02:34:46,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15751 states. [2020-10-14 02:34:46,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15751 to 15568. [2020-10-14 02:34:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15568 states. [2020-10-14 02:34:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15568 states to 15568 states and 20363 transitions. [2020-10-14 02:34:46,888 INFO L78 Accepts]: Start accepts. Automaton has 15568 states and 20363 transitions. Word has length 282 [2020-10-14 02:34:46,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:46,889 INFO L479 AbstractCegarLoop]: Abstraction has 15568 states and 20363 transitions. [2020-10-14 02:34:46,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 15568 states and 20363 transitions. [2020-10-14 02:34:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-10-14 02:34:46,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:46,907 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:34:46,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 02:34:46,907 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:46,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:46,908 INFO L82 PathProgramCache]: Analyzing trace with hash 538045036, now seen corresponding path program 1 times [2020-10-14 02:34:46,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:46,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205904593] [2020-10-14 02:34:46,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:46,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:47,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:48,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:50,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-14 02:34:50,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:34:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3387 [2020-10-14 02:34:50,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:50,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:50,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:50,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-14 02:34:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 02:34:50,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:50,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:50,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:50,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:50,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:50,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:50,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 02:34:50,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:50,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:50,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:50,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:50,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 02:34:50,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:50,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 02:34:50,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:50,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:50,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:50,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:50,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-14 02:34:50,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:50,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 02:34:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:50,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:50,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:50,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 02:34:50,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-14 02:34:50,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:50,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:34:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 02:34:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 02:34:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:34:50,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205904593] [2020-10-14 02:34:50,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:34:50,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:34:50,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680523445] [2020-10-14 02:34:50,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:34:50,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:34:50,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:34:50,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:34:50,789 INFO L87 Difference]: Start difference. First operand 15568 states and 20363 transitions. Second operand 7 states. [2020-10-14 02:34:53,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:34:53,957 INFO L93 Difference]: Finished difference Result 36207 states and 48441 transitions. [2020-10-14 02:34:53,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 02:34:53,957 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 287 [2020-10-14 02:34:53,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:34:54,014 INFO L225 Difference]: With dead ends: 36207 [2020-10-14 02:34:54,014 INFO L226 Difference]: Without dead ends: 20645 [2020-10-14 02:34:54,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:34:54,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20645 states. [2020-10-14 02:34:54,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20645 to 19590. [2020-10-14 02:34:54,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19590 states. [2020-10-14 02:34:54,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19590 states to 19590 states and 25686 transitions. [2020-10-14 02:34:54,471 INFO L78 Accepts]: Start accepts. Automaton has 19590 states and 25686 transitions. Word has length 287 [2020-10-14 02:34:54,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:34:54,472 INFO L479 AbstractCegarLoop]: Abstraction has 19590 states and 25686 transitions. [2020-10-14 02:34:54,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:34:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 19590 states and 25686 transitions. [2020-10-14 02:34:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-14 02:34:54,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:34:54,496 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 02:34:54,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 02:34:54,497 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:34:54,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:34:54,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1572217004, now seen corresponding path program 1 times [2020-10-14 02:34:54,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:34:54,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841941066] [2020-10-14 02:34:54,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:34:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:54,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:54,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:54,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:55,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:56,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:59,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:59,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-14 02:34:59,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 02:34:59,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 02:34:59,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:59,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:59,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:34:59,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-10-14 02:34:59,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 02:34:59,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:59,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:34:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:59,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:59,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:59,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:34:59,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:59,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:34:59,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:59,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:59,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:34:59,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:59,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:34:59,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:59,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:34:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:59,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:34:59,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:34:59,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 02:34:59,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:34:59,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 02:34:59,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:34:59,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:34:59,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:34:59,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:34:59,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 02:34:59,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:34:59,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 02:34:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:34:59,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:00,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:00,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 02:35:00,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:00,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-14 02:35:00,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:00,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:00,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:00,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:35:00,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-14 02:35:00,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:00,176 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:35:00,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841941066] [2020-10-14 02:35:00,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:00,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:35:00,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331789658] [2020-10-14 02:35:00,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:35:00,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:00,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:35:00,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:35:00,179 INFO L87 Difference]: Start difference. First operand 19590 states and 25686 transitions. Second operand 7 states. [2020-10-14 02:35:02,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:02,916 INFO L93 Difference]: Finished difference Result 36390 states and 48887 transitions. [2020-10-14 02:35:02,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 02:35:02,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 308 [2020-10-14 02:35:02,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:02,955 INFO L225 Difference]: With dead ends: 36390 [2020-10-14 02:35:02,955 INFO L226 Difference]: Without dead ends: 14852 [2020-10-14 02:35:02,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:35:03,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14852 states. [2020-10-14 02:35:03,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14852 to 13607. [2020-10-14 02:35:03,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13607 states. [2020-10-14 02:35:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13607 states to 13607 states and 16409 transitions. [2020-10-14 02:35:03,311 INFO L78 Accepts]: Start accepts. Automaton has 13607 states and 16409 transitions. Word has length 308 [2020-10-14 02:35:03,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:03,312 INFO L479 AbstractCegarLoop]: Abstraction has 13607 states and 16409 transitions. [2020-10-14 02:35:03,312 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:35:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 13607 states and 16409 transitions. [2020-10-14 02:35:03,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-14 02:35:03,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:03,343 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:35:03,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 02:35:03,344 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:03,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:03,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1341207687, now seen corresponding path program 1 times [2020-10-14 02:35:03,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:03,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563351860] [2020-10-14 02:35:03,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:03,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:03,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:04,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:06,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:06,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-10-14 02:35:06,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 02:35:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3272 [2020-10-14 02:35:06,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:06,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-14 02:35:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-14 02:35:06,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:06,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:06,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:06,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:06,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:06,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:06,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 02:35:06,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:06,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:06,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:06,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:06,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:06,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:06,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:06,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:06,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:06,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 02:35:06,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:06,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-14 02:35:06,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:06,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:06,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-14 02:35:06,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:06,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 02:35:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:06,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:07,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:07,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 02:35:07,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:07,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-14 02:35:07,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:07,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 02:35:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-14 02:35:07,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 02:35:07,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563351860] [2020-10-14 02:35:07,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:07,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 02:35:07,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379902190] [2020-10-14 02:35:07,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 02:35:07,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:07,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 02:35:07,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 02:35:07,226 INFO L87 Difference]: Start difference. First operand 13607 states and 16409 transitions. Second operand 7 states. [2020-10-14 02:35:09,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:09,879 INFO L93 Difference]: Finished difference Result 28961 states and 34944 transitions. [2020-10-14 02:35:09,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 02:35:09,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 336 [2020-10-14 02:35:09,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:09,914 INFO L225 Difference]: With dead ends: 28961 [2020-10-14 02:35:09,915 INFO L226 Difference]: Without dead ends: 15360 [2020-10-14 02:35:09,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 02:35:09,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15360 states. [2020-10-14 02:35:10,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15360 to 14745. [2020-10-14 02:35:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14745 states. [2020-10-14 02:35:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14745 states to 14745 states and 17579 transitions. [2020-10-14 02:35:10,192 INFO L78 Accepts]: Start accepts. Automaton has 14745 states and 17579 transitions. Word has length 336 [2020-10-14 02:35:10,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:10,193 INFO L479 AbstractCegarLoop]: Abstraction has 14745 states and 17579 transitions. [2020-10-14 02:35:10,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 02:35:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 14745 states and 17579 transitions. [2020-10-14 02:35:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-10-14 02:35:10,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 02:35:10,227 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 02:35:10,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 02:35:10,228 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 02:35:10,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 02:35:10,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1644707978, now seen corresponding path program 1 times [2020-10-14 02:35:10,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 02:35:10,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38588317] [2020-10-14 02:35:10,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 02:35:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:10,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:10,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:11,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:11,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-10-14 02:35:11,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 02:35:11,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 988 [2020-10-14 02:35:11,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:11,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:11,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 02:35:11,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-14 02:35:11,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 02:35:11,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:11,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 02:35:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:11,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:11,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:11,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 02:35:11,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:11,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 02:35:11,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:11,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:11,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:11,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:11,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 02:35:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:11,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:11,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:11,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 02:35:11,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:11,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 02:35:11,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:11,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 02:35:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 02:35:11,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:11,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 02:35:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 02:35:11,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 02:35:11,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 02:35:11,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-14 02:35:11,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 02:35:11,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 02:35:11,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 02:35:11,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 02:35:11,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 02:35:11,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 02:35:11,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-14 02:35:11,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 02:35:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 02:35:11,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38588317] [2020-10-14 02:35:11,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 02:35:11,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 02:35:11,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395431984] [2020-10-14 02:35:11,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 02:35:11,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 02:35:11,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 02:35:11,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 02:35:11,682 INFO L87 Difference]: Start difference. First operand 14745 states and 17579 transitions. Second operand 5 states. [2020-10-14 02:35:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 02:35:13,731 INFO L93 Difference]: Finished difference Result 16661 states and 19803 transitions. [2020-10-14 02:35:13,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 02:35:13,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 357 [2020-10-14 02:35:13,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 02:35:13,733 INFO L225 Difference]: With dead ends: 16661 [2020-10-14 02:35:13,733 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 02:35:13,750 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 02:35:13,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 02:35:13,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 02:35:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 02:35:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 02:35:13,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2020-10-14 02:35:13,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 02:35:13,752 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 02:35:13,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 02:35:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 02:35:13,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 02:35:13,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 02:35:13,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 02:35:15,908 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 590 DAG size of output: 230 [2020-10-14 02:35:16,661 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 230 [2020-10-14 02:35:18,307 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 336 DAG size of output: 65 [2020-10-14 02:35:19,292 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 55 [2020-10-14 02:35:20,213 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 55 [2020-10-14 02:35:20,220 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:35:20,220 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 02:35:20,220 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:35:20,220 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-14 02:35:20,220 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-14 02:35:20,221 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-14 02:35:20,221 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,221 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,221 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,221 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,221 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,221 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,221 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,222 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-14 02:35:20,222 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-14 02:35:20,222 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-14 02:35:20,222 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,222 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,222 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,222 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,222 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,222 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,223 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,223 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,223 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,223 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-14 02:35:20,223 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-14 02:35:20,223 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-14 02:35:20,223 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,223 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-14 02:35:20,224 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-14 02:35:20,225 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:35:20,225 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:35:20,225 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-14 02:35:20,225 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-14 02:35:20,225 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,225 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,225 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,225 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,225 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,226 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,227 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,228 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,228 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:35:20,228 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-14 02:35:20,228 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,228 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,228 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,228 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,228 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,228 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,229 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:35:20,229 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-14 02:35:20,229 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,229 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,229 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-14 02:35:20,229 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-14 02:35:20,229 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-14 02:35:20,229 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,229 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:35:20,230 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,231 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,232 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse3 (not (<= |old(~a23~0)| 278))) (.cse1 (not (<= 247 |old(~a29~0)|))) (.cse2 (not (= 11 |old(~a25~0)|))) (.cse5 (not (<= |old(~a4~0)| 1))) (.cse6 (not (<= 1 |old(~a4~0)|))) (.cse0 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|))) (.cse4 (not (= |old(~a4~0)| 0)))) (and (or (not (<= |old(~a29~0)| 273)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse4) (or (not (= 10 |old(~a25~0)|)) .cse0 .cse5 .cse6) (or .cse0 .cse5 (not (<= 160 |old(~a23~0)|)) .cse6) (or (not (= 13 |old(~a25~0)|)) .cse1 .cse0 .cse5 .cse6) (or .cse1 .cse0 .cse2 .cse5 .cse6) (or .cse0 (and (or (not (<= |old(~a25~0)| 9)) .cse5 .cse6) (or (not (<= |old(~a29~0)| 245)) .cse5 .cse6))) (or .cse0 (not (<= |old(~a29~0)| 275)) .cse4))) [2020-10-14 02:35:20,232 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,232 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-14 02:35:20,232 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-14 02:35:20,232 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-14 02:35:20,232 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,232 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,233 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,234 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,235 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:35:20,236 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-14 02:35:20,236 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-14 02:35:20,236 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-14 02:35:20,236 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-14 02:35:20,236 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,236 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,236 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,236 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,237 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:35:20,238 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-14 02:35:20,238 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,238 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,238 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,238 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,238 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,238 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2020-10-14 02:35:20,238 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-14 02:35:20,238 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,239 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,240 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,241 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,242 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,243 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,244 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,244 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-14 02:35:20,244 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,244 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,244 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,244 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 02:35:20,244 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-14 02:35:20,244 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-14 02:35:20,244 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,245 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:35:20,245 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,245 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-14 02:35:20,245 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,245 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,245 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,245 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,245 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,245 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,246 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 02:35:20,246 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-14 02:35:20,246 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-14 02:35:20,246 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,246 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,246 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,246 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,246 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,246 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,247 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,247 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,247 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,247 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,247 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 02:35:20,247 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-14 02:35:20,247 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-14 02:35:20,247 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,248 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:35:20,248 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-14 02:35:20,248 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,248 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,248 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,248 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,248 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,248 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,248 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-14 02:35:20,249 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-14 02:35:20,249 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-14 02:35:20,249 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,249 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,249 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,249 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,249 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:35:20,249 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-14 02:35:20,249 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,250 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,250 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-14 02:35:20,250 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,250 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,250 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-14 02:35:20,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 02:35:20,250 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~a4~0) (= ~a25~0 10) (<= ~a29~0 245) (<= ~a4~0 1) (= ~a23~0 312)) [2020-10-14 02:35:20,250 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 02:35:20,251 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 02:35:20,251 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 245)) (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a23~0 312)) (not (<= |old(~a4~0)| 1)) (not (<= 1 |old(~a4~0)|))) [2020-10-14 02:35:20,251 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:35:20,251 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse2 (= ~a4~0 0)) (.cse4 (<= ~a23~0 278)) (.cse3 (= ~a25~0 11)) (.cse5 (<= 247 ~a29~0)) (.cse0 (<= 1 ~a4~0)) (.cse1 (<= ~a4~0 1))) (or (and .cse0 (<= ~a29~0 245) .cse1) (and (<= ~a29~0 275) .cse2) (and .cse3 .cse4 (<= ~a29~0 273) .cse5) (and .cse0 (= ~a25~0 13) .cse1 .cse5) (not (<= |old(~a4~0)| 1)) (and (= ~a25~0 10) (= ~a4~0 |old(~a4~0)|)) (not (<= 1 |old(~a4~0)|)) (not (= 312 |old(~a23~0)|)) (and .cse2 .cse4) (and .cse3 .cse0 .cse1 .cse5) (not (<= |old(~a29~0)| 245)) (not (= 10 |old(~a25~0)|)) (and .cse0 (<= ~a25~0 9) .cse1) (and .cse0 .cse1 (<= 160 ~a23~0)))) [2020-10-14 02:35:20,251 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-14 02:35:20,251 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-14 02:35:20,252 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse2 (= ~a4~0 0)) (.cse4 (<= ~a23~0 278)) (.cse3 (= ~a25~0 11)) (.cse5 (<= 247 ~a29~0)) (.cse0 (<= 1 ~a4~0)) (.cse1 (<= ~a4~0 1))) (or (and .cse0 (<= ~a29~0 245) .cse1) (and (<= ~a29~0 275) .cse2) (and .cse3 .cse4 (<= ~a29~0 273) .cse5) (and .cse0 (= ~a25~0 13) .cse1 .cse5) (not (<= |old(~a4~0)| 1)) (and (= ~a25~0 10) (= ~a4~0 |old(~a4~0)|)) (not (<= 1 |old(~a4~0)|)) (not (= 312 |old(~a23~0)|)) (and .cse2 .cse4) (and .cse3 .cse0 .cse1 .cse5) (not (<= |old(~a29~0)| 245)) (not (= 10 |old(~a25~0)|)) (and .cse0 (<= ~a25~0 9) .cse1) (and .cse0 .cse1 (<= 160 ~a23~0)))) [2020-10-14 02:35:20,252 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-14 02:35:20,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:35:20 BoogieIcfgContainer [2020-10-14 02:35:20,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 02:35:20,277 INFO L168 Benchmark]: Toolchain (without parser) took 92061.37 ms. Allocated memory was 148.9 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 102.8 MB in the beginning and 487.3 MB in the end (delta: -384.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-10-14 02:35:20,278 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-14 02:35:20,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1044.13 ms. Allocated memory was 148.9 MB in the beginning and 211.3 MB in the end (delta: 62.4 MB). Free memory was 102.6 MB in the beginning and 166.2 MB in the end (delta: -63.7 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB. [2020-10-14 02:35:20,280 INFO L168 Benchmark]: Boogie Preprocessor took 187.32 ms. Allocated memory is still 211.3 MB. Free memory was 166.2 MB in the beginning and 158.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2020-10-14 02:35:20,281 INFO L168 Benchmark]: RCFGBuilder took 1866.29 ms. Allocated memory was 211.3 MB in the beginning and 240.1 MB in the end (delta: 28.8 MB). Free memory was 158.5 MB in the beginning and 95.5 MB in the end (delta: 63.0 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2020-10-14 02:35:20,281 INFO L168 Benchmark]: TraceAbstraction took 88957.19 ms. Allocated memory was 240.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 95.5 MB in the beginning and 487.3 MB in the end (delta: -391.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-14 02:35:20,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1044.13 ms. Allocated memory was 148.9 MB in the beginning and 211.3 MB in the end (delta: 62.4 MB). Free memory was 102.6 MB in the beginning and 166.2 MB in the end (delta: -63.7 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 187.32 ms. Allocated memory is still 211.3 MB. Free memory was 166.2 MB in the beginning and 158.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1866.29 ms. Allocated memory was 211.3 MB in the beginning and 240.1 MB in the end (delta: 28.8 MB). Free memory was 158.5 MB in the beginning and 95.5 MB in the end (delta: 63.0 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 88957.19 ms. Allocated memory was 240.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 95.5 MB in the beginning and 487.3 MB in the end (delta: -391.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 120]: 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: ((((((((((((((1 <= a4 && a29 <= 245) && a4 <= 1) || (a29 <= 275 && a4 == 0)) || (((a25 == 11 && a23 <= 278) && a29 <= 273) && 247 <= a29)) || (((1 <= a4 && a25 == 13) && a4 <= 1) && 247 <= a29)) || !(\old(a4) <= 1)) || (a25 == 10 && a4 == \old(a4))) || !(1 <= \old(a4))) || !(312 == \old(a23))) || (a4 == 0 && a23 <= 278)) || (((a25 == 11 && 1 <= a4) && a4 <= 1) && 247 <= a29)) || !(\old(a29) <= 245)) || !(10 == \old(a25))) || ((1 <= a4 && a25 <= 9) && a4 <= 1)) || ((1 <= a4 && a4 <= 1) && 160 <= a23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.3s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 37.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 672 SDtfs, 7443 SDslu, 1053 SDs, 0 SdLazy, 19747 SolverSat, 2531 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19590occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 3889 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 503 PreInvPairs, 709 NumberOfFragments, 538 HoareAnnotationTreeSize, 503 FomulaSimplifications, 11309749 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 34420 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 40.1s InterpolantComputationTime, 2932 NumberOfCodeBlocks, 2932 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2918 ConstructedInterpolants, 0 QuantifiedInterpolants, 1486164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 1551/1572 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...