/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:03:53,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:03:53,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:03:53,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:03:53,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:03:53,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:03:53,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:03:53,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:03:53,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:03:53,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:03:53,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:03:53,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:03:53,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:03:53,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:03:53,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:03:53,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:03:53,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:03:53,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:03:53,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:03:53,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:03:53,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:03:53,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:03:53,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:03:53,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:03:53,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:03:53,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:03:53,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:03:53,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:03:53,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:03:53,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:03:53,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:03:53,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:03:53,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:03:53,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:03:53,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:03:53,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:03:53,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:03:53,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:03:53,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:03:53,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:03:53,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:03:53,914 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 19:03:53,936 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:03:53,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:03:53,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:03:53,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:03:53,938 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:03:53,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:03:53,938 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:03:53,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:03:53,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:03:53,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:03:53,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:03:53,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:03:53,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:03:53,940 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:03:53,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:03:53,940 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:03:53,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:03:53,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:03:53,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:03:53,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:03:53,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:03:53,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:03:53,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:03:53,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:03:53,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:03:53,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:03:53,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:03:53,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:03:53,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:03:53,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 19:03:54,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:03:54,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:03:54,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:03:54,262 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:03:54,262 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:03:54,263 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label23.c [2020-10-14 19:03:54,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce11daf42/8e7feb4f5e2649309250dee645bd2468/FLAG0a8f7a8a8 [2020-10-14 19:03:54,831 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:03:54,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label23.c [2020-10-14 19:03:54,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce11daf42/8e7feb4f5e2649309250dee645bd2468/FLAG0a8f7a8a8 [2020-10-14 19:03:55,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ce11daf42/8e7feb4f5e2649309250dee645bd2468 [2020-10-14 19:03:55,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:03:55,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:03:55,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:03:55,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:03:55,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:03:55,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:03:55" (1/1) ... [2020-10-14 19:03:55,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263e4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55, skipping insertion in model container [2020-10-14 19:03:55,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:03:55" (1/1) ... [2020-10-14 19:03:55,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:03:55,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:03:55,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:03:55,774 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:03:55,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:03:55,900 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:03:55,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55 WrapperNode [2020-10-14 19:03:55,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:03:55,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:03:55,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:03:55,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:03:55,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55" (1/1) ... [2020-10-14 19:03:55,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55" (1/1) ... [2020-10-14 19:03:55,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55" (1/1) ... [2020-10-14 19:03:55,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55" (1/1) ... [2020-10-14 19:03:55,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55" (1/1) ... [2020-10-14 19:03:56,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55" (1/1) ... [2020-10-14 19:03:56,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55" (1/1) ... [2020-10-14 19:03:56,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:03:56,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:03:56,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:03:56,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:03:56,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55" (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 19:03:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:03:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:03:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:03:56,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:03:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:03:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:03:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:03:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:03:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:03:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:03:56,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:03:57,259 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:03:57,260 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:03:57,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:03:57 BoogieIcfgContainer [2020-10-14 19:03:57,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:03:57,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:03:57,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:03:57,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:03:57,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:03:55" (1/3) ... [2020-10-14 19:03:57,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79892c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:03:57, skipping insertion in model container [2020-10-14 19:03:57,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:03:55" (2/3) ... [2020-10-14 19:03:57,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79892c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:03:57, skipping insertion in model container [2020-10-14 19:03:57,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:03:57" (3/3) ... [2020-10-14 19:03:57,282 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label23.c [2020-10-14 19:03:57,293 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:03:57,303 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:03:57,317 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:03:57,349 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:03:57,350 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:03:57,350 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:03:57,350 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:03:57,350 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:03:57,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:03:57,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:03:57,351 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:03:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 19:03:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-14 19:03:57,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:03:57,395 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] [2020-10-14 19:03:57,396 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:03:57,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:03:57,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1083972551, now seen corresponding path program 1 times [2020-10-14 19:03:57,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:03:57,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066983404] [2020-10-14 19:03:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:03:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:58,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:59,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:59,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-14 19:03:59,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:03:59,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1443 [2020-10-14 19:03:59,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:59,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:03:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:03:59,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 19:03:59,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:03:59,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:03:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:03:59,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:03:59,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:03:59,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:03:59,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:03:59,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 19:03:59,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:03:59,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:03:59,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:03:59,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:03:59,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:03:59,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:03:59,398 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 19:03:59,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066983404] [2020-10-14 19:03:59,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:03:59,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 19:03:59,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155716717] [2020-10-14 19:03:59,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 19:03:59,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:03:59,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 19:03:59,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 19:03:59,426 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-14 19:04:00,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:00,984 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-10-14 19:04:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:04:00,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-10-14 19:04:00,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:01,003 INFO L225 Difference]: With dead ends: 557 [2020-10-14 19:04:01,003 INFO L226 Difference]: Without dead ends: 286 [2020-10-14 19:04:01,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:04:01,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-14 19:04:01,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-10-14 19:04:01,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-14 19:04:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 384 transitions. [2020-10-14 19:04:01,088 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 384 transitions. Word has length 101 [2020-10-14 19:04:01,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:01,089 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 384 transitions. [2020-10-14 19:04:01,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 19:04:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 384 transitions. [2020-10-14 19:04:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 19:04:01,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:01,098 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] [2020-10-14 19:04:01,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:04:01,099 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:01,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1160575178, now seen corresponding path program 1 times [2020-10-14 19:04:01,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:01,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124852477] [2020-10-14 19:04:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:01,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:01,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:03,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:04,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:04,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 19:04:04,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:04:04,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3401 [2020-10-14 19:04:04,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:04,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 19:04:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 19:04:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:04,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:04,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:04,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:04,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:04,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:04,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:04:04,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:04,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:04,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:04,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:04,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:04,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:04,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 19:04:04,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 19:04:04,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:04,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 19:04:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:04,710 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 19:04:04,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124852477] [2020-10-14 19:04:04,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:04,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 19:04:04,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75305985] [2020-10-14 19:04:04,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:04:04,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:04,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:04:04,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:04:04,715 INFO L87 Difference]: Start difference. First operand 280 states and 384 transitions. Second operand 6 states. [2020-10-14 19:04:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:06,379 INFO L93 Difference]: Finished difference Result 1110 states and 1573 transitions. [2020-10-14 19:04:06,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:04:06,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2020-10-14 19:04:06,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:06,394 INFO L225 Difference]: With dead ends: 1110 [2020-10-14 19:04:06,395 INFO L226 Difference]: Without dead ends: 836 [2020-10-14 19:04:06,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:04:06,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-10-14 19:04:06,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 828. [2020-10-14 19:04:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2020-10-14 19:04:06,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1078 transitions. [2020-10-14 19:04:06,495 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1078 transitions. Word has length 110 [2020-10-14 19:04:06,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:06,498 INFO L479 AbstractCegarLoop]: Abstraction has 828 states and 1078 transitions. [2020-10-14 19:04:06,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:04:06,498 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1078 transitions. [2020-10-14 19:04:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-14 19:04:06,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:06,508 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:06,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:04:06,509 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:06,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:06,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1277669234, now seen corresponding path program 1 times [2020-10-14 19:04:06,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:06,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10793454] [2020-10-14 19:04:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:06,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:06,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:06,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 19:04:06,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:06,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-14 19:04:06,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:06,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:06,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:06,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 19:04:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 19:04:06,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:06,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:06,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:06,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:06,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:06,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:06,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:04:06,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:06,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:06,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:06,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:06,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:06,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:06,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:06,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:04:06,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:06,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 19:04:06,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:06,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:06,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:06,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 19:04:06,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:04:06,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10793454] [2020-10-14 19:04:06,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:06,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:04:06,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608692764] [2020-10-14 19:04:06,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:04:06,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:06,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:04:06,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:04:06,939 INFO L87 Difference]: Start difference. First operand 828 states and 1078 transitions. Second operand 5 states. [2020-10-14 19:04:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:08,232 INFO L93 Difference]: Finished difference Result 2206 states and 2969 transitions. [2020-10-14 19:04:08,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:04:08,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-10-14 19:04:08,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:08,251 INFO L225 Difference]: With dead ends: 2206 [2020-10-14 19:04:08,251 INFO L226 Difference]: Without dead ends: 1384 [2020-10-14 19:04:08,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:04:08,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2020-10-14 19:04:08,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1241. [2020-10-14 19:04:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2020-10-14 19:04:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1574 transitions. [2020-10-14 19:04:08,308 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1574 transitions. Word has length 112 [2020-10-14 19:04:08,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:08,309 INFO L479 AbstractCegarLoop]: Abstraction has 1241 states and 1574 transitions. [2020-10-14 19:04:08,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:04:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1574 transitions. [2020-10-14 19:04:08,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 19:04:08,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:08,314 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:04:08,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:04:08,314 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:08,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:08,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1148353872, now seen corresponding path program 1 times [2020-10-14 19:04:08,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:08,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135794243] [2020-10-14 19:04:08,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:08,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:08,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:08,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:08,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:11,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:11,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 19:04:11,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:04:11,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3507 [2020-10-14 19:04:11,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:11,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:11,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 19:04:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:04:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 19:04:11,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:11,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:11,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:11,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:11,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:11,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:04:11,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:11,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:04:11,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:11,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:12,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:12,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:12,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 19:04:12,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:12,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 19:04:12,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:12,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:12,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:12,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 19:04:12,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-14 19:04:12,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135794243] [2020-10-14 19:04:12,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:12,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:04:12,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790232829] [2020-10-14 19:04:12,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 19:04:12,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:12,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 19:04:12,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:04:12,133 INFO L87 Difference]: Start difference. First operand 1241 states and 1574 transitions. Second operand 6 states. [2020-10-14 19:04:13,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:13,342 INFO L93 Difference]: Finished difference Result 3584 states and 4661 transitions. [2020-10-14 19:04:13,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 19:04:13,343 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2020-10-14 19:04:13,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:13,365 INFO L225 Difference]: With dead ends: 3584 [2020-10-14 19:04:13,366 INFO L226 Difference]: Without dead ends: 2349 [2020-10-14 19:04:13,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:04:13,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2020-10-14 19:04:13,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2206. [2020-10-14 19:04:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2020-10-14 19:04:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2789 transitions. [2020-10-14 19:04:13,501 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2789 transitions. Word has length 127 [2020-10-14 19:04:13,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:13,501 INFO L479 AbstractCegarLoop]: Abstraction has 2206 states and 2789 transitions. [2020-10-14 19:04:13,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 19:04:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2789 transitions. [2020-10-14 19:04:13,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-14 19:04:13,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:13,509 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 19:04:13,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:04:13,509 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:13,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:13,510 INFO L82 PathProgramCache]: Analyzing trace with hash 476464020, now seen corresponding path program 1 times [2020-10-14 19:04:13,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:13,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845673617] [2020-10-14 19:04:13,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:13,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:13,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:13,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:13,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:18,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:18,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-14 19:04:18,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:04:18,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 19:04:18,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:18,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 19:04:18,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 19:04:18,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 19:04:18,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:19,074 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 52 [2020-10-14 19:04:19,302 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2020-10-14 19:04:19,541 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2020-10-14 19:04:19,787 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 48 [2020-10-14 19:04:20,024 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 45 [2020-10-14 19:04:20,217 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 41 [2020-10-14 19:04:20,390 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2020-10-14 19:04:20,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:20,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:20,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:20,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:20,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:20,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:04:20,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:20,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:20,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:20,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:20,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:20,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:20,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:20,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:04:20,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:20,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:04:20,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:20,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:20,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:20,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:20,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 19:04:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:20,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:20,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:20,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 19:04:20,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:04:20,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:20,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:20,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 19:04:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:20,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:20,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:20,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 19:04:20,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 19:04:20,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:20,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 19:04:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-14 19:04:20,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845673617] [2020-10-14 19:04:20,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:20,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 19:04:20,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129985879] [2020-10-14 19:04:20,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 19:04:20,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:20,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 19:04:20,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 19:04:20,860 INFO L87 Difference]: Start difference. First operand 2206 states and 2789 transitions. Second operand 13 states. [2020-10-14 19:04:21,311 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-14 19:04:21,569 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-14 19:04:22,238 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 114 [2020-10-14 19:04:22,744 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 111 [2020-10-14 19:04:23,067 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2020-10-14 19:04:23,282 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 58 [2020-10-14 19:04:23,564 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 105 [2020-10-14 19:04:24,052 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2020-10-14 19:04:24,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:24,289 INFO L93 Difference]: Finished difference Result 4538 states and 5858 transitions. [2020-10-14 19:04:24,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 19:04:24,290 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 158 [2020-10-14 19:04:24,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:24,304 INFO L225 Difference]: With dead ends: 4538 [2020-10-14 19:04:24,304 INFO L226 Difference]: Without dead ends: 2338 [2020-10-14 19:04:24,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2020-10-14 19:04:24,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2020-10-14 19:04:24,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 2305. [2020-10-14 19:04:24,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2305 states. [2020-10-14 19:04:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 2907 transitions. [2020-10-14 19:04:24,389 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 2907 transitions. Word has length 158 [2020-10-14 19:04:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:24,390 INFO L479 AbstractCegarLoop]: Abstraction has 2305 states and 2907 transitions. [2020-10-14 19:04:24,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 19:04:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2907 transitions. [2020-10-14 19:04:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-14 19:04:24,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:24,398 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:24,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:04:24,399 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:24,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:24,399 INFO L82 PathProgramCache]: Analyzing trace with hash 2023134754, now seen corresponding path program 1 times [2020-10-14 19:04:24,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:24,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322544504] [2020-10-14 19:04:24,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:24,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:24,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:26,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:26,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:29,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:29,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-14 19:04:29,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:04:29,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 19:04:29,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:29,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:29,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:04:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 19:04:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 19:04:29,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:29,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:29,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:29,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:29,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:29,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:29,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:04:29,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:29,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:29,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:29,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:29,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:29,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:29,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 19:04:29,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 19:04:29,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:29,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 19:04:29,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 19:04:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:29,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:29,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:29,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:29,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 19:04:29,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:29,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 19:04:29,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:29,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 19:04:29,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:29,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 19:04:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:29,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:29,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:29,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-14 19:04:29,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:29,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 19:04:29,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:29,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:29,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:29,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:29,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-14 19:04:29,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:29,922 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 94 proven. 24 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-14 19:04:29,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322544504] [2020-10-14 19:04:29,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:29,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 19:04:29,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890905484] [2020-10-14 19:04:29,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 19:04:29,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:29,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 19:04:29,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 19:04:29,926 INFO L87 Difference]: Start difference. First operand 2305 states and 2907 transitions. Second operand 8 states. [2020-10-14 19:04:32,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:32,048 INFO L93 Difference]: Finished difference Result 5046 states and 6290 transitions. [2020-10-14 19:04:32,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 19:04:32,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 188 [2020-10-14 19:04:32,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:32,049 INFO L225 Difference]: With dead ends: 5046 [2020-10-14 19:04:32,050 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:04:32,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-14 19:04:32,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:04:32,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:04:32,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:04:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:04:32,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2020-10-14 19:04:32,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:32,064 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:04:32,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 19:04:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:04:32,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:04:32,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:04:32,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:04:32,585 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 92 [2020-10-14 19:04:32,814 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 137 [2020-10-14 19:04:33,484 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 38 [2020-10-14 19:04:33,733 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 21 [2020-10-14 19:04:33,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:04:33,737 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 19:04:33,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:04:33,737 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-14 19:04:33,738 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-14 19:04:33,738 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,738 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,738 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,738 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,738 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,738 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,738 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-14 19:04:33,739 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-14 19:04:33,739 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-14 19:04:33,739 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-14 19:04:33,739 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-14 19:04:33,739 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-14 19:04:33,739 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-14 19:04:33,739 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 19:04:33,739 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-14 19:04:33,740 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-14 19:04:33,740 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,740 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,740 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,740 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,740 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-14 19:04:33,741 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,742 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-14 19:04:33,743 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-14 19:04:33,744 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-14 19:04:33,745 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-14 19:04:33,745 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-14 19:04:33,745 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-14 19:04:33,745 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-14 19:04:33,745 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-14 19:04:33,745 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-14 19:04:33,745 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-14 19:04:33,745 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-14 19:04:33,745 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,746 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,746 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,746 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,746 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,746 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-14 19:04:33,746 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-14 19:04:33,746 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-14 19:04:33,746 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-14 19:04:33,746 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-14 19:04:33,747 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-14 19:04:33,747 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-14 19:04:33,747 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-14 19:04:33,749 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-14 19:04:33,749 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,749 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,749 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,750 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,750 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,750 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,750 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-14 19:04:33,750 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,750 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-14 19:04:33,750 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-14 19:04:33,750 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-14 19:04:33,750 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 19:04:33,751 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-14 19:04:33,751 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-14 19:04:33,751 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-14 19:04:33,751 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-14 19:04:33,751 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-14 19:04:33,751 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-14 19:04:33,751 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-14 19:04:33,751 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-14 19:04:33,752 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-14 19:04:33,752 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,752 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,752 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,752 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,752 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,752 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-14 19:04:33,752 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-14 19:04:33,752 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 19:04:33,753 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-14 19:04:33,753 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-14 19:04:33,753 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-14 19:04:33,753 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-14 19:04:33,753 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-14 19:04:33,753 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,753 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,753 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,754 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,754 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,754 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-14 19:04:33,754 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-14 19:04:33,755 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-14 19:04:33,755 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-14 19:04:33,755 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-14 19:04:33,755 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-14 19:04:33,755 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 19:04:33,755 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-14 19:04:33,756 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-14 19:04:33,756 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-14 19:04:33,757 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a16~0 |old(~a16~0)|))) (let ((.cse0 (not (<= 1 |old(~a7~0)|))) (.cse6 (not (<= |old(~a7~0)| 1))) (.cse7 (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a8~0 |old(~a8~0)|)))) (and (or (not (= |old(~a8~0)| 13)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a8~0 13)) .cse6) (or .cse0 .cse7 .cse6 (not (<= |old(~a17~0)| 0))) (or .cse7 (not (= |old(~a7~0)| 0)))))) [2020-10-14 19:04:33,758 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-14 19:04:33,758 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,758 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,758 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,758 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,758 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-14 19:04:33,758 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,758 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-14 19:04:33,759 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-14 19:04:33,760 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-14 19:04:33,760 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-14 19:04:33,760 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,760 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,760 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,760 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,760 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,760 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-14 19:04:33,760 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,761 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-14 19:04:33,761 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-14 19:04:33,761 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-14 19:04:33,761 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-14 19:04:33,761 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 19:04:33,761 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-14 19:04:33,761 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-14 19:04:33,761 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-14 19:04:33,761 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-14 19:04:33,762 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-14 19:04:33,762 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-14 19:04:33,762 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-14 19:04:33,762 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-14 19:04:33,762 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-14 19:04:33,762 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,762 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,762 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,762 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-14 19:04:33,763 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-14 19:04:33,764 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-14 19:04:33,764 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-14 19:04:33,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:04:33,764 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 5 ~a16~0) (= ~a7~0 0)) [2020-10-14 19:04:33,764 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:04:33,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:04:33,764 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a7~0)| 0))) [2020-10-14 19:04:33,764 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-14 19:04:33,765 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= 1 ~a7~0)) (.cse1 (<= ~a7~0 1))) (or (and .cse0 (<= ~a17~0 0) .cse1) (and .cse0 (= ~a8~0 13) .cse1) (not (= 5 |old(~a16~0)|)) (= ~a7~0 0) (not (= |old(~a7~0)| 0)))) [2020-10-14 19:04:33,765 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-14 19:04:33,765 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-14 19:04:33,765 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= 1 ~a7~0)) (.cse1 (<= ~a7~0 1))) (or (and .cse0 (<= ~a17~0 0) .cse1) (and .cse0 (= ~a8~0 13) .cse1) (not (= 5 |old(~a16~0)|)) (= ~a7~0 0) (not (= |old(~a7~0)| 0)))) [2020-10-14 19:04:33,765 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-14 19:04:33,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:04:33 BoogieIcfgContainer [2020-10-14 19:04:33,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:04:33,798 INFO L168 Benchmark]: Toolchain (without parser) took 38634.24 ms. Allocated memory was 138.4 MB in the beginning and 732.4 MB in the end (delta: 594.0 MB). Free memory was 99.5 MB in the beginning and 313.3 MB in the end (delta: -213.8 MB). Peak memory consumption was 380.3 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:33,800 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.8 MB in the beginning and 119.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 19:04:33,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.36 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 99.5 MB in the beginning and 170.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:33,802 INFO L168 Benchmark]: Boogie Preprocessor took 118.61 ms. Allocated memory is still 205.0 MB. Free memory was 170.8 MB in the beginning and 165.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:33,802 INFO L168 Benchmark]: RCFGBuilder took 1250.69 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 180.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:33,806 INFO L168 Benchmark]: TraceAbstraction took 36517.51 ms. Allocated memory was 237.0 MB in the beginning and 732.4 MB in the end (delta: 495.5 MB). Free memory was 179.0 MB in the beginning and 313.3 MB in the end (delta: -134.3 MB). Peak memory consumption was 361.2 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:33,817 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.8 MB in the beginning and 119.4 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.36 ms. Allocated memory was 138.4 MB in the beginning and 205.0 MB in the end (delta: 66.6 MB). Free memory was 99.5 MB in the beginning and 170.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.61 ms. Allocated memory is still 205.0 MB. Free memory was 170.8 MB in the beginning and 165.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1250.69 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 180.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36517.51 ms. Allocated memory was 237.0 MB in the beginning and 732.4 MB in the end (delta: 495.5 MB). Free memory was 179.0 MB in the beginning and 313.3 MB in the end (delta: -134.3 MB). Peak memory consumption was 361.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 583]: Loop Invariant Derived loop invariant: (((((1 <= a7 && a17 <= 0) && a7 <= 1) || ((1 <= a7 && a8 == 13) && a7 <= 1)) || !(5 == \old(a16))) || a7 == 0) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.7s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 176 SDtfs, 2055 SDslu, 157 SDs, 0 SdLazy, 4869 SolverSat, 709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2305occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 333 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 82 PreInvPairs, 130 NumberOfFragments, 247 HoareAnnotationTreeSize, 82 FomulaSimplifications, 29490 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2927 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 790 ConstructedInterpolants, 0 QuantifiedInterpolants, 983390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 222/252 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...