/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/Problem03_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:53:52,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:53:52,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:53:52,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:53:52,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:53:52,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:53:52,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:53:52,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:53:52,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:53:52,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:53:52,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:53:52,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:53:52,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:53:52,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:53:52,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:53:52,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:53:52,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:53:52,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:53:52,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:53:52,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:53:52,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:53:52,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:53:52,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:53:52,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:53:52,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:53:52,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:53:52,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:53:52,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:53:52,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:53:52,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:53:52,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:53:52,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:53:52,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:53:52,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:53:52,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:53:52,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:53:52,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:53:52,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:53:52,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:53:52,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:53:52,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:53:52,241 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 00:53:52,287 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:53:52,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:53:52,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:53:52,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:53:52,290 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:53:52,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:53:52,291 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:53:52,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:53:52,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:53:52,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:53:52,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:53:52,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:53:52,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:53:52,293 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:53:52,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:53:52,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:53:52,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:53:52,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:53:52,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:53:52,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:53:52,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:53:52,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:53:52,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:53:52,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:53:52,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:53:52,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:53:52,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:53:52,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:53:52,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:53:52,296 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 00:53:52,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:53:52,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:53:52,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:53:52,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:53:52,637 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:53:52,638 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label42.c [2020-10-14 00:53:52,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/428c4a99c/88158d856614479a8ff96d08394dedd9/FLAG93c1e0da1 [2020-10-14 00:53:53,361 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:53:53,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label42.c [2020-10-14 00:53:53,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/428c4a99c/88158d856614479a8ff96d08394dedd9/FLAG93c1e0da1 [2020-10-14 00:53:53,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/428c4a99c/88158d856614479a8ff96d08394dedd9 [2020-10-14 00:53:53,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:53:53,533 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:53:53,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:53:53,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:53:53,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:53:53,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:53:53" (1/1) ... [2020-10-14 00:53:53,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783e84ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:53, skipping insertion in model container [2020-10-14 00:53:53,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:53:53" (1/1) ... [2020-10-14 00:53:53,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:53:53,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:53:54,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:53:54,576 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:53:54,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:53:54,883 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:53:54,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54 WrapperNode [2020-10-14 00:53:54,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:53:54,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:53:54,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:53:54,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:53:54,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54" (1/1) ... [2020-10-14 00:53:54,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54" (1/1) ... [2020-10-14 00:53:54,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54" (1/1) ... [2020-10-14 00:53:54,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54" (1/1) ... [2020-10-14 00:53:55,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54" (1/1) ... [2020-10-14 00:53:55,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54" (1/1) ... [2020-10-14 00:53:55,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54" (1/1) ... [2020-10-14 00:53:55,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:53:55,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:53:55,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:53:55,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:53:55,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54" (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 00:53:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:53:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:53:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 00:53:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:53:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 00:53:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:53:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:53:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 00:53:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:53:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:53:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:53:57,082 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:53:57,082 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 00:53:57,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:53:57 BoogieIcfgContainer [2020-10-14 00:53:57,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:53:57,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:53:57,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:53:57,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:53:57,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:53:53" (1/3) ... [2020-10-14 00:53:57,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d90606e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:53:57, skipping insertion in model container [2020-10-14 00:53:57,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:53:54" (2/3) ... [2020-10-14 00:53:57,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d90606e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:53:57, skipping insertion in model container [2020-10-14 00:53:57,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:53:57" (3/3) ... [2020-10-14 00:53:57,099 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label42.c [2020-10-14 00:53:57,113 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:53:57,123 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:53:57,141 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:53:57,176 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:53:57,176 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:53:57,176 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:53:57,176 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:53:57,177 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:53:57,177 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:53:57,177 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:53:57,177 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:53:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2020-10-14 00:53:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-14 00:53:57,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:53:57,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:53:57,225 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:53:57,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:53:57,234 INFO L82 PathProgramCache]: Analyzing trace with hash -102440427, now seen corresponding path program 1 times [2020-10-14 00:53:57,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:53:57,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467494981] [2020-10-14 00:53:57,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:53:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:53:57,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:53:58,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:01,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:01,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-14 00:54:01,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:54:01,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4125 [2020-10-14 00:54:01,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:01,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:54:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:54:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-14 00:54:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 00:54:02,304 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:02,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:02,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:02,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:02,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:02,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:02,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 00:54:02,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:02,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:54:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:02,436 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 00:54:02,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467494981] [2020-10-14 00:54:02,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:54:02,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 00:54:02,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391975364] [2020-10-14 00:54:02,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:02,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:02,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:02,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:02,463 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 5 states. [2020-10-14 00:54:02,697 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:03,150 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:54:06,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:06,705 INFO L93 Difference]: Finished difference Result 1104 states and 1964 transitions. [2020-10-14 00:54:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:54:06,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 202 [2020-10-14 00:54:06,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:06,746 INFO L225 Difference]: With dead ends: 1104 [2020-10-14 00:54:06,746 INFO L226 Difference]: Without dead ends: 696 [2020-10-14 00:54:06,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:54:06,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-14 00:54:06,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 472. [2020-10-14 00:54:06,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-10-14 00:54:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 722 transitions. [2020-10-14 00:54:06,849 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 722 transitions. Word has length 202 [2020-10-14 00:54:06,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:06,851 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 722 transitions. [2020-10-14 00:54:06,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 722 transitions. [2020-10-14 00:54:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-14 00:54:06,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:06,858 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:06,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:54:06,858 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:06,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:06,859 INFO L82 PathProgramCache]: Analyzing trace with hash 839215410, now seen corresponding path program 1 times [2020-10-14 00:54:06,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:06,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823984527] [2020-10-14 00:54:06,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:06,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:07,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:07,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:10,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:10,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:10,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-14 00:54:10,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:54:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3634 [2020-10-14 00:54:10,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:10,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:10,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 00:54:10,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-10-14 00:54:10,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:10,820 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:10,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:10,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:10,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:10,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:10,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:10,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 00:54:10,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:10,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:10,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:10,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:10,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:10,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:10,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 00:54:10,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:10,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 00:54:10,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:10,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:10,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:54:10,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:54:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:54:11,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823984527] [2020-10-14 00:54:11,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:11,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:54:11,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151691433] [2020-10-14 00:54:11,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:11,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:11,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:11,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:11,083 INFO L87 Difference]: Start difference. First operand 472 states and 722 transitions. Second operand 5 states. [2020-10-14 00:54:11,379 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:13,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:13,859 INFO L93 Difference]: Finished difference Result 1365 states and 2118 transitions. [2020-10-14 00:54:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:13,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 211 [2020-10-14 00:54:13,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:13,866 INFO L225 Difference]: With dead ends: 1365 [2020-10-14 00:54:13,867 INFO L226 Difference]: Without dead ends: 899 [2020-10-14 00:54:13,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:54:13,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-14 00:54:13,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 892. [2020-10-14 00:54:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 892 states. [2020-10-14 00:54:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1216 transitions. [2020-10-14 00:54:13,933 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1216 transitions. Word has length 211 [2020-10-14 00:54:13,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:13,934 INFO L479 AbstractCegarLoop]: Abstraction has 892 states and 1216 transitions. [2020-10-14 00:54:13,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1216 transitions. [2020-10-14 00:54:13,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-14 00:54:13,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:13,943 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:13,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:54:13,944 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:13,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:13,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1008769451, now seen corresponding path program 1 times [2020-10-14 00:54:13,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:13,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293612557] [2020-10-14 00:54:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:14,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:14,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:15,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:16,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:16,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 00:54:16,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:54:16,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2194 [2020-10-14 00:54:16,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:16,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-14 00:54:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-10-14 00:54:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:16,407 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:16,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:16,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:16,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:16,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:16,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:16,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:54:16,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:16,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:16,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:16,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:16,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:16,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:16,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 00:54:16,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:16,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 00:54:16,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:16,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:16,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 00:54:16,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:54:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:54:16,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293612557] [2020-10-14 00:54:16,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:16,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:54:16,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144304280] [2020-10-14 00:54:16,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:16,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:16,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:16,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:16,793 INFO L87 Difference]: Start difference. First operand 892 states and 1216 transitions. Second operand 5 states. [2020-10-14 00:54:17,139 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:19,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:19,920 INFO L93 Difference]: Finished difference Result 2203 states and 3118 transitions. [2020-10-14 00:54:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:19,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2020-10-14 00:54:19,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:19,937 INFO L225 Difference]: With dead ends: 2203 [2020-10-14 00:54:19,937 INFO L226 Difference]: Without dead ends: 1317 [2020-10-14 00:54:19,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:54:19,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2020-10-14 00:54:19,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1310. [2020-10-14 00:54:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-10-14 00:54:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1834 transitions. [2020-10-14 00:54:19,981 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1834 transitions. Word has length 220 [2020-10-14 00:54:19,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:19,982 INFO L479 AbstractCegarLoop]: Abstraction has 1310 states and 1834 transitions. [2020-10-14 00:54:19,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1834 transitions. [2020-10-14 00:54:19,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-14 00:54:19,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:19,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:19,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:54:19,988 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:19,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:19,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1618897910, now seen corresponding path program 1 times [2020-10-14 00:54:19,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:19,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162303577] [2020-10-14 00:54:19,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:20,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:20,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:21,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:22,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:23,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:23,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-14 00:54:23,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:54:23,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3250 [2020-10-14 00:54:23,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:23,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:23,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 00:54:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-10-14 00:54:23,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:23,546 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:23,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:23,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:23,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:23,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:23,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:23,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:54:23,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:23,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:23,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:23,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:23,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:23,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:23,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 00:54:23,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 00:54:23,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:23,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:23,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 00:54:23,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:23,793 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:54:23,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162303577] [2020-10-14 00:54:23,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:23,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:54:23,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098985550] [2020-10-14 00:54:23,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:23,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:23,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:23,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:23,796 INFO L87 Difference]: Start difference. First operand 1310 states and 1834 transitions. Second operand 5 states. [2020-10-14 00:54:23,931 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 00:54:26,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:26,277 INFO L93 Difference]: Finished difference Result 3891 states and 5548 transitions. [2020-10-14 00:54:26,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:26,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 238 [2020-10-14 00:54:26,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:26,298 INFO L225 Difference]: With dead ends: 3891 [2020-10-14 00:54:26,298 INFO L226 Difference]: Without dead ends: 2587 [2020-10-14 00:54:26,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:54:26,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2587 states. [2020-10-14 00:54:26,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2587 to 2567. [2020-10-14 00:54:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2567 states. [2020-10-14 00:54:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3634 transitions. [2020-10-14 00:54:26,393 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 3634 transitions. Word has length 238 [2020-10-14 00:54:26,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:26,394 INFO L479 AbstractCegarLoop]: Abstraction has 2567 states and 3634 transitions. [2020-10-14 00:54:26,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:26,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 3634 transitions. [2020-10-14 00:54:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-14 00:54:26,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:26,404 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:26,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:54:26,404 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:26,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:26,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1337756669, now seen corresponding path program 1 times [2020-10-14 00:54:26,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:26,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035113767] [2020-10-14 00:54:26,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:26,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:26,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:28,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:29,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:29,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 00:54:29,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:54:29,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2903 [2020-10-14 00:54:29,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:29,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:29,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:29,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 00:54:29,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-10-14 00:54:29,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:29,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:29,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:29,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:29,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:29,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:29,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:54:29,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:29,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:29,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:29,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:29,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:29,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:29,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:29,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 00:54:29,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:29,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 00:54:29,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:29,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 00:54:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:54:29,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035113767] [2020-10-14 00:54:29,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:29,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:54:29,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512330338] [2020-10-14 00:54:29,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:54:29,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:29,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:54:29,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:54:29,890 INFO L87 Difference]: Start difference. First operand 2567 states and 3634 transitions. Second operand 5 states. [2020-10-14 00:54:30,104 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:54:32,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:32,842 INFO L93 Difference]: Finished difference Result 7441 states and 10867 transitions. [2020-10-14 00:54:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:54:32,845 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 247 [2020-10-14 00:54:32,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:32,877 INFO L225 Difference]: With dead ends: 7441 [2020-10-14 00:54:32,877 INFO L226 Difference]: Without dead ends: 4880 [2020-10-14 00:54:32,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:54:32,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2020-10-14 00:54:33,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 4666. [2020-10-14 00:54:33,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4666 states. [2020-10-14 00:54:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4666 states to 4666 states and 6616 transitions. [2020-10-14 00:54:33,075 INFO L78 Accepts]: Start accepts. Automaton has 4666 states and 6616 transitions. Word has length 247 [2020-10-14 00:54:33,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:33,076 INFO L479 AbstractCegarLoop]: Abstraction has 4666 states and 6616 transitions. [2020-10-14 00:54:33,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:54:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 4666 states and 6616 transitions. [2020-10-14 00:54:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-10-14 00:54:33,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:33,093 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:33,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:54:33,094 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:33,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:33,094 INFO L82 PathProgramCache]: Analyzing trace with hash -312281267, now seen corresponding path program 1 times [2020-10-14 00:54:33,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:33,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507626793] [2020-10-14 00:54:33,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:33,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:33,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:34,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:35,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:35,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 00:54:35,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 00:54:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2680 [2020-10-14 00:54:35,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:35,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 00:54:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 00:54:35,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:35,972 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:35,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:35,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:35,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:35,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:35,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:35,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:54:35,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:35,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:35,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:35,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:35,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:36,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:36,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:36,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:36,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 00:54:36,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:36,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 00:54:36,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:36,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 00:54:36,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:36,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 00:54:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:36,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:36,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:36,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:54:36,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:36,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 00:54:36,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:36,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:54:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:54:36,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:36,305 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:54:36,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507626793] [2020-10-14 00:54:36,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:36,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:54:36,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265944495] [2020-10-14 00:54:36,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:54:36,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:36,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:54:36,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:54:36,308 INFO L87 Difference]: Start difference. First operand 4666 states and 6616 transitions. Second operand 7 states. [2020-10-14 00:54:36,449 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:36,962 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:38,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:38,885 INFO L93 Difference]: Finished difference Result 9454 states and 13939 transitions. [2020-10-14 00:54:38,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:54:38,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 255 [2020-10-14 00:54:38,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:38,909 INFO L225 Difference]: With dead ends: 9454 [2020-10-14 00:54:38,909 INFO L226 Difference]: Without dead ends: 4794 [2020-10-14 00:54:38,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:54:38,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4794 states. [2020-10-14 00:54:39,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4794 to 4737. [2020-10-14 00:54:39,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4737 states. [2020-10-14 00:54:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 4737 states and 6384 transitions. [2020-10-14 00:54:39,049 INFO L78 Accepts]: Start accepts. Automaton has 4737 states and 6384 transitions. Word has length 255 [2020-10-14 00:54:39,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:39,050 INFO L479 AbstractCegarLoop]: Abstraction has 4737 states and 6384 transitions. [2020-10-14 00:54:39,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:54:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4737 states and 6384 transitions. [2020-10-14 00:54:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-14 00:54:39,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:39,065 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:39,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:54:39,066 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:39,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:39,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1667241868, now seen corresponding path program 1 times [2020-10-14 00:54:39,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:39,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419309767] [2020-10-14 00:54:39,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:39,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:39,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:41,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:42,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:42,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:42,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-14 00:54:42,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:54:42,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3649 [2020-10-14 00:54:42,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:42,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 00:54:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 00:54:42,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:42,965 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:42,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:42,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:42,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:42,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:42,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:54:42,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:42,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:54:43,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:43,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:43,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:43,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 00:54:43,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:43,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 00:54:43,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:43,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 00:54:43,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:43,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 00:54:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:43,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:43,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:43,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:54:43,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:43,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 00:54:43,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:43,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:54:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:54:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:54:43,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419309767] [2020-10-14 00:54:43,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:43,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 00:54:43,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430003911] [2020-10-14 00:54:43,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 00:54:43,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:43,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 00:54:43,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:54:43,304 INFO L87 Difference]: Start difference. First operand 4737 states and 6384 transitions. Second operand 8 states. [2020-10-14 00:54:43,451 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 00:54:43,911 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 00:54:46,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:46,995 INFO L93 Difference]: Finished difference Result 13012 states and 18390 transitions. [2020-10-14 00:54:46,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 00:54:46,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 264 [2020-10-14 00:54:46,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:47,039 INFO L225 Difference]: With dead ends: 13012 [2020-10-14 00:54:47,039 INFO L226 Difference]: Without dead ends: 8281 [2020-10-14 00:54:47,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-14 00:54:47,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8281 states. [2020-10-14 00:54:47,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8281 to 7353. [2020-10-14 00:54:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7353 states. [2020-10-14 00:54:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7353 states to 7353 states and 10044 transitions. [2020-10-14 00:54:47,304 INFO L78 Accepts]: Start accepts. Automaton has 7353 states and 10044 transitions. Word has length 264 [2020-10-14 00:54:47,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:47,305 INFO L479 AbstractCegarLoop]: Abstraction has 7353 states and 10044 transitions. [2020-10-14 00:54:47,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 00:54:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 7353 states and 10044 transitions. [2020-10-14 00:54:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-14 00:54:47,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:47,329 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:47,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:54:47,329 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:47,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:47,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1987659511, now seen corresponding path program 1 times [2020-10-14 00:54:47,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:47,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325623266] [2020-10-14 00:54:47,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:47,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:47,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:47,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:47,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:49,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:52,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:52,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-14 00:54:52,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:54:52,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-14 00:54:52,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:52,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 00:54:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 00:54:52,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:52,583 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:54:52,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:54:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:52,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:52,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:52,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:54:52,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:54:52,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:52,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:52,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:52,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:54:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:52,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:52,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:52,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:54:52,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:52,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:54:52,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:52,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:52,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:54:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:52,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:52,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:52,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 00:54:52,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:52,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 00:54:52,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:52,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:52,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:54:52,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:54:52,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:54:52,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:52,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 00:54:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:52,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:52,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:52,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:54:52,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:52,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 00:54:52,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:52,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:52,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:54:52,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:54:52,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 00:54:52,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:52,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 00:54:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:52,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:52,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:54:52,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:54:52,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:54:52,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 00:54:52,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:54:52,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:54:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:54:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 00:54:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:54:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:54:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-14 00:54:53,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325623266] [2020-10-14 00:54:53,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:54:53,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:54:53,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398837734] [2020-10-14 00:54:53,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:54:53,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:54:53,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:54:53,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:54:53,038 INFO L87 Difference]: Start difference. First operand 7353 states and 10044 transitions. Second operand 7 states. [2020-10-14 00:54:53,302 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:54:54,854 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 00:54:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:54:56,782 INFO L93 Difference]: Finished difference Result 21284 states and 33120 transitions. [2020-10-14 00:54:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:54:56,783 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 282 [2020-10-14 00:54:56,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:54:56,873 INFO L225 Difference]: With dead ends: 21284 [2020-10-14 00:54:56,873 INFO L226 Difference]: Without dead ends: 13937 [2020-10-14 00:54:56,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:54:56,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13937 states. [2020-10-14 00:54:57,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13937 to 13537. [2020-10-14 00:54:57,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13537 states. [2020-10-14 00:54:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13537 states to 13537 states and 18642 transitions. [2020-10-14 00:54:57,398 INFO L78 Accepts]: Start accepts. Automaton has 13537 states and 18642 transitions. Word has length 282 [2020-10-14 00:54:57,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:54:57,398 INFO L479 AbstractCegarLoop]: Abstraction has 13537 states and 18642 transitions. [2020-10-14 00:54:57,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:54:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 13537 states and 18642 transitions. [2020-10-14 00:54:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-14 00:54:57,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:54:57,442 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:57,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:54:57,443 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:54:57,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:54:57,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1015951588, now seen corresponding path program 1 times [2020-10-14 00:54:57,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:54:57,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265098359] [2020-10-14 00:54:57,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:54:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:54:57,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:57,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:57,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:57,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:58,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:58,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:59,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:59,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:54:59,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:02,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-14 00:55:02,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 00:55:02,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 00:55:02,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:02,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:55:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 00:55:02,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:02,667 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:02,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:02,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:02,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:02,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:02,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:55:02,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:02,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:02,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:55:02,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:02,819 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-14 00:55:02,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:02,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:02,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:55:02,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:55:02,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 00:55:02,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:02,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:55:02,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:02,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:55:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:02,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:02,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 00:55:02,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:55:02,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 00:55:02,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:02,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:02,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 00:55:02,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:02,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 00:55:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:02,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:02,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 00:55:02,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:55:02,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:55:02,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:02,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:02,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:02,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 00:55:02,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 00:55:02,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:02,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 00:55:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:02,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:02,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:55:02,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:02,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 00:55:02,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:02,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:02,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:02,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 00:55:02,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:02,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:02,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 00:55:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:02,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:02,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:02,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:55:02,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:02,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 00:55:02,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:02,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:02,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 00:55:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:02,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 00:55:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 93 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-14 00:55:03,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265098359] [2020-10-14 00:55:03,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:03,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 00:55:03,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995515006] [2020-10-14 00:55:03,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 00:55:03,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:03,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 00:55:03,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:55:03,056 INFO L87 Difference]: Start difference. First operand 13537 states and 18642 transitions. Second operand 6 states. [2020-10-14 00:55:03,190 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:55:04,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:04,704 INFO L93 Difference]: Finished difference Result 27082 states and 37329 transitions. [2020-10-14 00:55:04,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:55:04,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 292 [2020-10-14 00:55:04,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:04,755 INFO L225 Difference]: With dead ends: 27082 [2020-10-14 00:55:04,755 INFO L226 Difference]: Without dead ends: 13551 [2020-10-14 00:55:04,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:55:04,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13551 states. [2020-10-14 00:55:05,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13551 to 13535. [2020-10-14 00:55:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13535 states. [2020-10-14 00:55:05,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13535 states to 13535 states and 18632 transitions. [2020-10-14 00:55:05,129 INFO L78 Accepts]: Start accepts. Automaton has 13535 states and 18632 transitions. Word has length 292 [2020-10-14 00:55:05,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:05,129 INFO L479 AbstractCegarLoop]: Abstraction has 13535 states and 18632 transitions. [2020-10-14 00:55:05,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 00:55:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 13535 states and 18632 transitions. [2020-10-14 00:55:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-14 00:55:05,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:05,174 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:05,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:55:05,175 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:05,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:05,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1253617856, now seen corresponding path program 1 times [2020-10-14 00:55:05,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:05,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [232007244] [2020-10-14 00:55:05,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:05,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:05,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:05,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:05,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:06,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:10,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:10,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 317 [2020-10-14 00:55:10,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 00:55:10,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-14 00:55:10,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:10,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 00:55:10,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 00:55:10,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:10,400 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:10,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:10,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:10,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:10,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:10,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:55:10,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:10,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:10,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:10,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:10,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:10,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:55:10,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:10,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:55:10,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:10,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:10,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:10,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:10,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:10,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:55:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:10,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:10,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:10,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:55:10,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:10,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 00:55:10,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:10,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:10,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:10,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:10,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 00:55:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:10,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:10,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:10,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 00:55:10,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 00:55:10,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:10,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:55:10,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:10,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 00:55:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:10,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:10,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:10,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:55:10,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:10,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 00:55:10,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:10,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:55:10,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 00:55:10,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:10,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 00:55:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:10,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:10,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:10,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:55:10,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:10,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:55:10,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:10,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:10,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:10,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 00:55:10,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:10,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 144 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-14 00:55:10,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [232007244] [2020-10-14 00:55:10,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:10,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:55:10,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950117376] [2020-10-14 00:55:10,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:55:10,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:10,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:55:10,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:55:10,744 INFO L87 Difference]: Start difference. First operand 13535 states and 18632 transitions. Second operand 7 states. [2020-10-14 00:55:10,959 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-14 00:55:11,442 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:55:14,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:14,176 INFO L93 Difference]: Finished difference Result 34241 states and 51426 transitions. [2020-10-14 00:55:14,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 00:55:14,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 299 [2020-10-14 00:55:14,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:14,274 INFO L225 Difference]: With dead ends: 34241 [2020-10-14 00:55:14,274 INFO L226 Difference]: Without dead ends: 20712 [2020-10-14 00:55:14,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 00:55:14,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20712 states. [2020-10-14 00:55:14,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20712 to 20267. [2020-10-14 00:55:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20267 states. [2020-10-14 00:55:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20267 states to 20267 states and 27655 transitions. [2020-10-14 00:55:14,947 INFO L78 Accepts]: Start accepts. Automaton has 20267 states and 27655 transitions. Word has length 299 [2020-10-14 00:55:14,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:14,948 INFO L479 AbstractCegarLoop]: Abstraction has 20267 states and 27655 transitions. [2020-10-14 00:55:14,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:55:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 20267 states and 27655 transitions. [2020-10-14 00:55:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-10-14 00:55:14,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:14,992 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:14,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 00:55:14,992 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:14,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:14,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1525196361, now seen corresponding path program 1 times [2020-10-14 00:55:14,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:14,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782641210] [2020-10-14 00:55:14,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:15,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:15,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:16,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:19,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:19,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:19,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-14 00:55:19,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 00:55:19,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4875 [2020-10-14 00:55:19,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:19,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-14 00:55:19,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-10-14 00:55:19,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:20,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:20,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:20,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:20,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:20,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:20,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:55:20,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:20,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:20,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:20,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:20,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:20,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 00:55:20,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:20,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 00:55:20,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:20,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:20,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:20,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 00:55:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:20,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:20,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:20,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 00:55:20,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:20,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 00:55:20,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:20,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:20,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-14 00:55:20,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-14 00:55:20,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782641210] [2020-10-14 00:55:20,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:20,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:55:20,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366309969] [2020-10-14 00:55:20,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:55:20,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:20,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:55:20,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:55:20,374 INFO L87 Difference]: Start difference. First operand 20267 states and 27655 transitions. Second operand 5 states. [2020-10-14 00:55:20,509 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:55:23,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:23,043 INFO L93 Difference]: Finished difference Result 40570 states and 55466 transitions. [2020-10-14 00:55:23,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:55:23,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 303 [2020-10-14 00:55:23,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:23,100 INFO L225 Difference]: With dead ends: 40570 [2020-10-14 00:55:23,100 INFO L226 Difference]: Without dead ends: 20309 [2020-10-14 00:55:23,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:55:23,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20309 states. [2020-10-14 00:55:23,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20309 to 19437. [2020-10-14 00:55:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19437 states. [2020-10-14 00:55:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19437 states to 19437 states and 25327 transitions. [2020-10-14 00:55:23,534 INFO L78 Accepts]: Start accepts. Automaton has 19437 states and 25327 transitions. Word has length 303 [2020-10-14 00:55:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:23,535 INFO L479 AbstractCegarLoop]: Abstraction has 19437 states and 25327 transitions. [2020-10-14 00:55:23,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:55:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 19437 states and 25327 transitions. [2020-10-14 00:55:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-14 00:55:23,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:23,567 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:23,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 00:55:23,567 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:23,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:23,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1993804431, now seen corresponding path program 1 times [2020-10-14 00:55:23,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:23,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318791612] [2020-10-14 00:55:23,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:23,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:23,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:23,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:24,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:24,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:28,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:28,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 357 [2020-10-14 00:55:28,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:55:28,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-14 00:55:28,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:28,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 00:55:28,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 00:55:28,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:28,800 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:28,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:28,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:28,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:28,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:28,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:28,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:55:28,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:28,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:28,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:28,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:28,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:28,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:28,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:28,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:55:28,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:55:28,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:28,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:28,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:55:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:28,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:28,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:28,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:55:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 00:55:28,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:28,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:28,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:55:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:28,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 00:55:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:28,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:28,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:28,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 00:55:28,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:28,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 00:55:28,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:28,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:28,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:28,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 00:55:28,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 00:55:28,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:28,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 00:55:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:29,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:29,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:29,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 00:55:29,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 00:55:29,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:29,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:29,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 00:55:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:29,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 00:55:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:29,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:29,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:29,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:55:29,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 00:55:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:29,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 00:55:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:29,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 00:55:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:29,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:29,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:29,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:55:29,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:29,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 00:55:29,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:29,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 00:55:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:29,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 167 proven. 54 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-14 00:55:29,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318791612] [2020-10-14 00:55:29,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:29,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:55:29,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96909485] [2020-10-14 00:55:29,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:55:29,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:29,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:55:29,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:55:29,203 INFO L87 Difference]: Start difference. First operand 19437 states and 25327 transitions. Second operand 7 states. [2020-10-14 00:55:29,329 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 00:55:30,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:30,722 INFO L93 Difference]: Finished difference Result 36899 states and 48164 transitions. [2020-10-14 00:55:30,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:55:30,723 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2020-10-14 00:55:30,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:30,772 INFO L225 Difference]: With dead ends: 36899 [2020-10-14 00:55:30,772 INFO L226 Difference]: Without dead ends: 17468 [2020-10-14 00:55:30,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:55:30,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17468 states. [2020-10-14 00:55:31,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17468 to 17442. [2020-10-14 00:55:31,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17442 states. [2020-10-14 00:55:31,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17442 states to 17442 states and 22427 transitions. [2020-10-14 00:55:31,146 INFO L78 Accepts]: Start accepts. Automaton has 17442 states and 22427 transitions. Word has length 337 [2020-10-14 00:55:31,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:31,146 INFO L479 AbstractCegarLoop]: Abstraction has 17442 states and 22427 transitions. [2020-10-14 00:55:31,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:55:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 17442 states and 22427 transitions. [2020-10-14 00:55:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-10-14 00:55:31,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:55:31,173 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 00:55:31,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 00:55:31,173 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:55:31,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:55:31,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1236819507, now seen corresponding path program 1 times [2020-10-14 00:55:31,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:55:31,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099585830] [2020-10-14 00:55:31,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:55:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:31,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:31,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:32,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:33,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:33,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:34,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:36,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:36,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-14 00:55:36,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 00:55:36,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-14 00:55:36,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:36,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:55:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-10-14 00:55:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-14 00:55:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:36,530 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:36,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:55:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:36,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:36,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:36,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:55:36,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:36,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:55:36,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:36,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:36,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:55:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:36,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:36,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:36,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 00:55:36,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:36,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:55:36,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:36,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:55:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:36,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:55:36,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:36,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 00:55:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:55:36,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:55:36,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:55:36,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 00:55:36,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:55:36,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-14 00:55:36,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:55:36,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:55:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:55:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:55:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 00:55:36,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:55:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 00:55:36,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099585830] [2020-10-14 00:55:36,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:55:36,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 00:55:36,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343467101] [2020-10-14 00:55:36,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:55:36,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:55:36,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:55:36,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:55:36,959 INFO L87 Difference]: Start difference. First operand 17442 states and 22427 transitions. Second operand 5 states. [2020-10-14 00:55:37,195 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 00:55:39,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:55:39,607 INFO L93 Difference]: Finished difference Result 38241 states and 49276 transitions. [2020-10-14 00:55:39,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:55:39,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 354 [2020-10-14 00:55:39,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:55:39,608 INFO L225 Difference]: With dead ends: 38241 [2020-10-14 00:55:39,608 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 00:55:39,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:55:39,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 00:55:39,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 00:55:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 00:55:39,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 00:55:39,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 354 [2020-10-14 00:55:39,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:55:39,648 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 00:55:39,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:55:39,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 00:55:39,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 00:55:39,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 00:55:39,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 00:55:41,101 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 144 [2020-10-14 00:55:43,846 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 806 DAG size of output: 627 [2020-10-14 00:55:45,251 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 806 DAG size of output: 627 [2020-10-14 00:55:45,499 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 106 [2020-10-14 00:55:50,570 WARN L193 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 407 DAG size of output: 154 [2020-10-14 00:55:50,682 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 00:55:54,652 WARN L193 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 604 DAG size of output: 79 [2020-10-14 00:55:58,372 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 604 DAG size of output: 79 [2020-10-14 00:55:58,376 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:55:58,377 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a5~0 |old(~a5~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~v~0 |old(~v~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 00:55:58,377 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:55:58,377 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:55:58,377 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2020-10-14 00:55:58,377 INFO L268 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,378 INFO L268 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,378 INFO L268 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,378 INFO L268 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,378 INFO L268 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,379 INFO L268 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,379 INFO L268 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,379 INFO L268 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2020-10-14 00:55:58,379 INFO L268 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,379 INFO L268 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2020-10-14 00:55:58,379 INFO L268 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2020-10-14 00:55:58,379 INFO L268 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,379 INFO L268 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,380 INFO L268 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,381 INFO L268 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,381 INFO L268 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,381 INFO L268 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,381 INFO L268 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,381 INFO L268 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2020-10-14 00:55:58,381 INFO L268 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2020-10-14 00:55:58,381 INFO L268 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2020-10-14 00:55:58,381 INFO L268 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,382 INFO L268 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,382 INFO L268 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,382 INFO L268 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,382 INFO L268 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,382 INFO L268 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,382 INFO L268 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2020-10-14 00:55:58,382 INFO L268 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2020-10-14 00:55:58,382 INFO L268 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2020-10-14 00:55:58,383 INFO L268 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2020-10-14 00:55:58,384 INFO L268 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,385 INFO L268 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,385 INFO L268 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,385 INFO L268 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,385 INFO L268 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,385 INFO L268 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,385 INFO L268 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,385 INFO L268 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:55:58,385 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2020-10-14 00:55:58,386 INFO L268 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2020-10-14 00:55:58,386 INFO L268 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2020-10-14 00:55:58,386 INFO L268 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2020-10-14 00:55:58,386 INFO L268 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,386 INFO L268 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,386 INFO L268 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,386 INFO L268 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,386 INFO L268 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,386 INFO L268 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,387 INFO L268 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,387 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,387 INFO L268 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,387 INFO L268 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,387 INFO L268 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,387 INFO L268 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2020-10-14 00:55:58,387 INFO L268 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2020-10-14 00:55:58,387 INFO L268 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2020-10-14 00:55:58,387 INFO L268 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,388 INFO L268 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,388 INFO L268 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,388 INFO L268 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,388 INFO L268 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,388 INFO L268 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,388 INFO L268 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,388 INFO L268 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,388 INFO L268 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,389 INFO L268 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2020-10-14 00:55:58,389 INFO L268 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2020-10-14 00:55:58,389 INFO L268 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2020-10-14 00:55:58,389 INFO L268 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:55:58,389 INFO L268 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2020-10-14 00:55:58,389 INFO L268 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,389 INFO L268 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,389 INFO L268 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,389 INFO L268 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,390 INFO L268 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,390 INFO L268 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,390 INFO L268 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,390 INFO L268 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,390 INFO L268 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2020-10-14 00:55:58,390 INFO L268 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2020-10-14 00:55:58,390 INFO L268 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2020-10-14 00:55:58,390 INFO L268 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,390 INFO L268 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,391 INFO L268 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,391 INFO L268 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:55:58,391 INFO L268 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2020-10-14 00:55:58,391 INFO L268 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,392 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse45 (not (= ~a11~0 1))) (.cse11 (= ~a28~0 |old(~a28~0)|)) (.cse44 (= ~a26~0 |old(~a26~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse13 (= ~a6~0 |old(~a6~0)|)) (.cse14 (= ~a8~0 |old(~a8~0)|)) (.cse15 (= ~a29~0 |old(~a29~0)|)) (.cse16 (= ~a1~0 |old(~a1~0)|)) (.cse17 (= ~a19~0 |old(~a19~0)|)) (.cse18 (= ~a3~0 |old(~a3~0)|)) (.cse19 (= ~a0~0 |old(~a0~0)|)) (.cse20 (= ~a9~0 |old(~a9~0)|)) (.cse21 (= ~a7~0 |old(~a7~0)|)) (.cse22 (= ~a11~0 |old(~a11~0)|)) (.cse23 (= ~a5~0 |old(~a5~0)|)) (.cse24 (= ~a16~0 |old(~a16~0)|)) (.cse25 (= ~a4~0 |old(~a4~0)|)) (.cse26 (= ~a2~0 |old(~a2~0)|)) (.cse27 (= ~a17~0 |old(~a17~0)|)) (.cse28 (= ~a14~0 |old(~a14~0)|)) (.cse29 (= ~a25~0 |old(~a25~0)|)) (.cse30 (= ~a23~0 |old(~a23~0)|)) (.cse31 (= ~a12~0 |old(~a12~0)|)) (.cse32 (= ~a15~0 |old(~a15~0)|)) (.cse33 (= ~a13~0 |old(~a13~0)|)) (.cse34 (= ~a24~0 |old(~a24~0)|)) (.cse35 (= ~a20~0 |old(~a20~0)|)) (.cse36 (= ~a22~0 |old(~a22~0)|)) (.cse37 (= ~a10~0 |old(~a10~0)|)) (.cse38 (= ~a27~0 |old(~a27~0)|))) (let ((.cse8 (and .cse11 .cse44 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38)) (.cse1 (not (<= |old(~a3~0)| 0))) (.cse39 (not (<= |old(~a26~0)| 1))) (.cse40 (not (<= 1 |old(~a26~0)|))) (.cse43 (and .cse11 .cse44 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse45 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38)) (.cse42 (not (= |old(~a12~0)| |old(~a27~0)|))) (.cse2 (= |old(~a11~0)| 1)) (.cse9 (not (<= 2 |old(~a3~0)|))) (.cse6 (and .cse11 .cse44 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse45 .cse33 .cse32 .cse34 .cse35 .cse36 .cse37 .cse38)) (.cse10 (not (= |old(~a6~0)| 0))) (.cse0 (not (= |old(~a5~0)| 1))) (.cse41 (and .cse11 .cse44 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse19 .cse18 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38)) (.cse7 (= |old(~a12~0)| 1)) (.cse3 (not (<= 1 |old(~a6~0)|))) (.cse4 (not (= ~a18~0 1))) (.cse5 (not (<= |old(~a6~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse1 .cse8 .cse3 .cse4 .cse5) (or .cse0 .cse8 .cse2 .cse3 .cse9 .cse4 .cse5) (or .cse7 .cse0 .cse8 .cse3 .cse9 .cse4 .cse5) (or .cse7 .cse0 .cse8 .cse4 .cse10) (or .cse0 (and .cse11 .cse12 .cse13 .cse14 .cse15 (<= 1 ~a26~0) .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 (<= ~a26~0 1) .cse34 .cse35 .cse36 .cse37 .cse38) .cse39 .cse4 .cse10 .cse40) (or .cse0 .cse41 .cse42 .cse39 .cse4 .cse3 .cse5 .cse40) (or .cse0 .cse1 .cse43 .cse2 .cse4 .cse10) (or .cse0 .cse41 .cse1 .cse39 .cse3 .cse4 .cse5 .cse40) (or .cse0 .cse41 .cse1 .cse42 .cse3 .cse4 .cse5) (or .cse0 .cse43 .cse2 .cse39 .cse4 .cse3 .cse5 .cse40) (or .cse7 .cse0 .cse41 .cse39 .cse4 .cse3 .cse5 .cse40) (or .cse0 .cse41 .cse39 .cse3 .cse9 .cse4 .cse5 .cse40) (or .cse7 .cse0 .cse43 .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse42 .cse2 (not (= |old(~a11~0)| |old(~a26~0)|)) .cse9 .cse4 .cse6 .cse10) (or .cse0 .cse41 (not (<= 1 |old(~a3~0)|)) (not .cse7) .cse3 .cse4 .cse5 (= |old(~a7~0)| 1))))) [2020-10-14 00:55:58,392 INFO L268 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,392 INFO L268 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,392 INFO L268 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:55:58,392 INFO L268 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,392 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2020-10-14 00:55:58,392 INFO L268 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,392 INFO L268 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2020-10-14 00:55:58,393 INFO L268 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,394 INFO L268 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,394 INFO L268 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,394 INFO L268 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,394 INFO L268 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,394 INFO L268 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,394 INFO L268 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2020-10-14 00:55:58,394 INFO L268 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2020-10-14 00:55:58,394 INFO L268 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,394 INFO L268 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2020-10-14 00:55:58,395 INFO L268 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2020-10-14 00:55:58,396 INFO L268 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2020-10-14 00:55:58,397 INFO L268 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,397 INFO L268 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,397 INFO L268 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:55:58,397 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2020-10-14 00:55:58,397 INFO L268 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,397 INFO L268 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,397 INFO L268 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,397 INFO L268 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,397 INFO L268 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,398 INFO L268 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2020-10-14 00:55:58,398 INFO L268 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2020-10-14 00:55:58,398 INFO L268 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,398 INFO L268 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,398 INFO L268 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,398 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1623) no Hoare annotation was computed. [2020-10-14 00:55:58,398 INFO L268 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,398 INFO L268 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,398 INFO L268 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,399 INFO L268 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,399 INFO L268 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,399 INFO L268 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:55:58,399 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2020-10-14 00:55:58,399 INFO L268 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2020-10-14 00:55:58,399 INFO L268 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,399 INFO L268 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2020-10-14 00:55:58,399 INFO L268 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,399 INFO L268 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2020-10-14 00:55:58,400 INFO L268 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2020-10-14 00:55:58,401 INFO L268 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,401 INFO L268 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,401 INFO L268 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,401 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,401 INFO L268 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,401 INFO L268 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,401 INFO L268 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,401 INFO L268 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,401 INFO L268 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,402 INFO L268 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2020-10-14 00:55:58,403 INFO L268 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2020-10-14 00:55:58,404 INFO L268 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2020-10-14 00:55:58,404 INFO L268 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,404 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,404 INFO L268 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,404 INFO L268 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,404 INFO L268 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,404 INFO L268 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,404 INFO L268 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,404 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:55:58,405 INFO L268 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2020-10-14 00:55:58,405 INFO L268 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,405 INFO L268 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2020-10-14 00:55:58,405 INFO L268 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2020-10-14 00:55:58,405 INFO L268 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2020-10-14 00:55:58,405 INFO L268 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,405 INFO L268 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,405 INFO L268 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,406 INFO L268 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,406 INFO L268 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,406 INFO L268 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:55:58,406 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2020-10-14 00:55:58,406 INFO L268 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,406 INFO L268 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,406 INFO L268 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,406 INFO L268 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2020-10-14 00:55:58,406 INFO L268 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2020-10-14 00:55:58,407 INFO L268 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,407 INFO L268 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2020-10-14 00:55:58,407 INFO L268 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,407 INFO L268 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,407 INFO L268 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,407 INFO L268 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,407 INFO L268 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,407 INFO L268 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,408 INFO L268 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,408 INFO L268 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,408 INFO L268 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,408 INFO L268 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,408 INFO L268 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2020-10-14 00:55:58,408 INFO L268 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2020-10-14 00:55:58,408 INFO L268 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2020-10-14 00:55:58,408 INFO L268 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,408 INFO L268 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,409 INFO L268 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,410 INFO L268 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2020-10-14 00:55:58,411 INFO L268 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2020-10-14 00:55:58,411 INFO L268 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,411 INFO L268 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2020-10-14 00:55:58,411 INFO L268 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2020-10-14 00:55:58,411 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 00:55:58,411 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a6~0 0) (<= ~a11~0 0) (= ~a5~0 1) (<= 1 ~a3~0) (not (= ~a12~0 1)) (= ~a18~0 1) (= ~a26~0 ~a11~0) (not (= ~a7~0 1))) [2020-10-14 00:55:58,411 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 00:55:58,411 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 00:55:58,411 INFO L268 CegarLoopResult]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2020-10-14 00:55:58,412 INFO L268 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2020-10-14 00:55:58,412 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (= |old(~a12~0)| 1) (not (= |old(~a5~0)| 1)) (not (<= 1 |old(~a3~0)|)) (not (= |old(~a11~0)| |old(~a26~0)|)) (not (= ~a18~0 1)) (not (<= |old(~a11~0)| 0)) (and (= ~a28~0 |old(~a28~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a26~0 ~a11~0) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (= |old(~a6~0)| 0)) (= |old(~a7~0)| 1)) [2020-10-14 00:55:58,412 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:55:58,412 INFO L264 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse7 (= ~a12~0 1))) (let ((.cse6 (not (= ~a11~0 1))) (.cse9 (= ~a6~0 0)) (.cse2 (= ~a27~0 ~a12~0)) (.cse4 (<= 1 ~a26~0)) (.cse8 (<= ~a3~0 0)) (.cse5 (<= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (<= ~a6~0 1)) (.cse11 (<= 2 ~a3~0)) (.cse10 (not .cse7)) (.cse3 (<= 1 ~a6~0))) (or (not (= |old(~a5~0)| 1)) (= |old(~a12~0)| 1) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse7 .cse1 .cse0 .cse2 .cse3 .cse8) (and .cse7 .cse0 .cse1 (<= 1 ~a3~0) .cse3 (not (= ~a7~0 1))) (not (= |old(~a11~0)| |old(~a26~0)|)) (and .cse9 .cse0 .cse6 .cse8) (and .cse0 .cse1 .cse10 .cse3 .cse6) (not (= |old(~a6~0)| 0)) (= |old(~a7~0)| 1) (and .cse9 .cse0 .cse4 .cse5) (and .cse0 .cse1 .cse11 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse9 .cse0 .cse10) (and .cse0 .cse1 .cse10 .cse3 .cse8) (and .cse0 .cse1 .cse11 .cse3 .cse6) (and .cse0 .cse1 .cse3 .cse6 .cse8) (not (<= 1 |old(~a3~0)|)) (and .cse9 .cse0 .cse11 .cse2 (= ~a26~0 ~a11~0)) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse8 .cse5) (and .cse0 .cse1 .cse11 .cse10 .cse3) (not (= ~a18~0 1)) (not (<= |old(~a11~0)| 0))))) [2020-10-14 00:55:58,412 INFO L268 CegarLoopResult]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2020-10-14 00:55:58,413 INFO L264 CegarLoopResult]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse7 (= ~a12~0 1))) (let ((.cse6 (not (= ~a11~0 1))) (.cse9 (= ~a6~0 0)) (.cse2 (= ~a27~0 ~a12~0)) (.cse4 (<= 1 ~a26~0)) (.cse8 (<= ~a3~0 0)) (.cse5 (<= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (<= ~a6~0 1)) (.cse11 (<= 2 ~a3~0)) (.cse10 (not .cse7)) (.cse3 (<= 1 ~a6~0))) (or (not (= |old(~a5~0)| 1)) (= |old(~a12~0)| 1) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse7 .cse1 .cse0 .cse2 .cse3 .cse8) (and .cse7 .cse0 .cse1 (<= 1 ~a3~0) .cse3 (not (= ~a7~0 1))) (not (= |old(~a11~0)| |old(~a26~0)|)) (and .cse9 .cse0 .cse6 .cse8) (and .cse0 .cse1 .cse10 .cse3 .cse6) (not (= |old(~a6~0)| 0)) (= |old(~a7~0)| 1) (and .cse9 .cse0 .cse4 .cse5) (and .cse0 .cse1 .cse11 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse9 .cse0 .cse10) (and .cse0 .cse1 .cse10 .cse3 .cse8) (and .cse0 .cse1 .cse11 .cse3 .cse6) (and .cse0 .cse1 .cse3 .cse6 .cse8) (not (<= 1 |old(~a3~0)|)) (and .cse9 .cse0 .cse11 .cse2 (= ~a26~0 ~a11~0)) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse8 .cse5) (and .cse0 .cse1 .cse11 .cse10 .cse3) (not (= ~a18~0 1)) (not (<= |old(~a11~0)| 0))))) [2020-10-14 00:55:58,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:55:58 BoogieIcfgContainer [2020-10-14 00:55:58,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 00:55:58,442 INFO L168 Benchmark]: Toolchain (without parser) took 124909.57 ms. Allocated memory was 145.8 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 100.1 MB in the beginning and 702.2 MB in the end (delta: -602.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-10-14 00:55:58,443 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-14 00:55:58,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1349.91 ms. Allocated memory was 145.8 MB in the beginning and 236.5 MB in the end (delta: 90.7 MB). Free memory was 99.8 MB in the beginning and 185.0 MB in the end (delta: -85.1 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2020-10-14 00:55:58,444 INFO L168 Benchmark]: Boogie Preprocessor took 185.53 ms. Allocated memory is still 236.5 MB. Free memory was 185.0 MB in the beginning and 173.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-10-14 00:55:58,445 INFO L168 Benchmark]: RCFGBuilder took 2017.84 ms. Allocated memory was 236.5 MB in the beginning and 265.8 MB in the end (delta: 29.4 MB). Free memory was 173.8 MB in the beginning and 203.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. [2020-10-14 00:55:58,445 INFO L168 Benchmark]: TraceAbstraction took 121349.43 ms. Allocated memory was 265.8 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 203.8 MB in the beginning and 702.2 MB in the end (delta: -498.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2020-10-14 00:55:58,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1349.91 ms. Allocated memory was 145.8 MB in the beginning and 236.5 MB in the end (delta: 90.7 MB). Free memory was 99.8 MB in the beginning and 185.0 MB in the end (delta: -85.1 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 185.53 ms. Allocated memory is still 236.5 MB. Free memory was 185.0 MB in the beginning and 173.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2017.84 ms. Allocated memory was 236.5 MB in the beginning and 265.8 MB in the end (delta: 29.4 MB). Free memory was 173.8 MB in the beginning and 203.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 121349.43 ms. Allocated memory was 265.8 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 203.8 MB in the beginning and 702.2 MB in the end (delta: -498.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1623]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(\old(a5) == 1) || \old(a12) == 1) || (((((a5 == 1 && a6 <= 1) && a27 == a12) && 1 <= a6) && 1 <= a26) && a26 <= 1)) || (((((a5 == 1 && a6 <= 1) && 1 <= a6) && !(a11 == 1)) && 1 <= a26) && a26 <= 1)) || (((((a12 == 1 && a6 <= 1) && a5 == 1) && a27 == a12) && 1 <= a6) && a3 <= 0)) || (((((a12 == 1 && a5 == 1) && a6 <= 1) && 1 <= a3) && 1 <= a6) && !(a7 == 1))) || !(\old(a11) == \old(a26))) || (((a6 == 0 && a5 == 1) && !(a11 == 1)) && a3 <= 0)) || ((((a5 == 1 && a6 <= 1) && !(a12 == 1)) && 1 <= a6) && !(a11 == 1))) || !(\old(a6) == 0)) || \old(a7) == 1) || (((a6 == 0 && a5 == 1) && 1 <= a26) && a26 <= 1)) || (((((a5 == 1 && a6 <= 1) && 2 <= a3) && 1 <= a6) && 1 <= a26) && a26 <= 1)) || (((((a5 == 1 && a6 <= 1) && !(a12 == 1)) && 1 <= a6) && 1 <= a26) && a26 <= 1)) || ((a6 == 0 && a5 == 1) && !(a12 == 1))) || ((((a5 == 1 && a6 <= 1) && !(a12 == 1)) && 1 <= a6) && a3 <= 0)) || ((((a5 == 1 && a6 <= 1) && 2 <= a3) && 1 <= a6) && !(a11 == 1))) || ((((a5 == 1 && a6 <= 1) && 1 <= a6) && !(a11 == 1)) && a3 <= 0)) || !(1 <= \old(a3))) || ((((a6 == 0 && a5 == 1) && 2 <= a3) && a27 == a12) && a26 == a11)) || ((((((a12 == 1 && a5 == 1) && a6 <= 1) && 1 <= a6) && 1 <= a26) && a3 <= 0) && a26 <= 1)) || ((((a5 == 1 && a6 <= 1) && 2 <= a3) && !(a12 == 1)) && 1 <= a6)) || !(a18 == 1)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 102.4s, OverallIterations: 13, TraceHistogramMax: 7, AutomataDifference: 38.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 586 SDtfs, 7143 SDslu, 865 SDs, 0 SdLazy, 18695 SolverSat, 2642 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 116 SyntacticMatches, 3 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20267occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 3216 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 602 PreInvPairs, 800 NumberOfFragments, 2726 HoareAnnotationTreeSize, 602 FomulaSimplifications, 18793368 FormulaSimplificationTreeSizeReduction, 5.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 195777 FormulaSimplificationTreeSizeReductionInter, 13.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 58.3s InterpolantComputationTime, 3504 NumberOfCodeBlocks, 3504 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3491 ConstructedInterpolants, 0 QuantifiedInterpolants, 3773968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 1373/1475 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...