/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/Problem14_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:42:26,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:42:26,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:42:26,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:42:26,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:42:26,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:42:26,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:42:26,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:42:26,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:42:26,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:42:26,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:42:26,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:42:26,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:42:26,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:42:26,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:42:26,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:42:26,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:42:26,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:42:26,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:42:27,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:42:27,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:42:27,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:42:27,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:42:27,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:42:27,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:42:27,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:42:27,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:42:27,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:42:27,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:42:27,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:42:27,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:42:27,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:42:27,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:42:27,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:42:27,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:42:27,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:42:27,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:42:27,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:42:27,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:42:27,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:42:27,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:42:27,018 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 21:42:27,041 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:42:27,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:42:27,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:42:27,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:42:27,043 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:42:27,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:42:27,043 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:42:27,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:42:27,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:42:27,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:42:27,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:42:27,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:42:27,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:42:27,044 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:42:27,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:42:27,045 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:42:27,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:42:27,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:42:27,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:42:27,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:42:27,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:42:27,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:42:27,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:42:27,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:42:27,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:42:27,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:42:27,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:42:27,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:42:27,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:42:27,048 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 21:42:27,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:42:27,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:42:27,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:42:27,360 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:42:27,360 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:42:27,361 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label19.c [2020-10-14 21:42:27,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f60a1a1a7/c133d58ddc7d4ae78ad5e4fcaf503114/FLAGf07973ef4 [2020-10-14 21:42:28,034 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:42:28,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label19.c [2020-10-14 21:42:28,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f60a1a1a7/c133d58ddc7d4ae78ad5e4fcaf503114/FLAGf07973ef4 [2020-10-14 21:42:28,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f60a1a1a7/c133d58ddc7d4ae78ad5e4fcaf503114 [2020-10-14 21:42:28,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:42:28,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:42:28,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:42:28,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:42:28,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:42:28,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:42:28" (1/1) ... [2020-10-14 21:42:28,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6ff522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:28, skipping insertion in model container [2020-10-14 21:42:28,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:42:28" (1/1) ... [2020-10-14 21:42:28,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:42:28,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:42:28,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:42:28,891 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:42:29,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:42:29,146 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:42:29,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29 WrapperNode [2020-10-14 21:42:29,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:42:29,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:42:29,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:42:29,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:42:29,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29" (1/1) ... [2020-10-14 21:42:29,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29" (1/1) ... [2020-10-14 21:42:29,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29" (1/1) ... [2020-10-14 21:42:29,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29" (1/1) ... [2020-10-14 21:42:29,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29" (1/1) ... [2020-10-14 21:42:29,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29" (1/1) ... [2020-10-14 21:42:29,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29" (1/1) ... [2020-10-14 21:42:29,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:42:29,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:42:29,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:42:29,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:42:29,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29" (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 21:42:29,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:42:29,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:42:29,366 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:42:29,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:42:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:42:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:42:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:42:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:42:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:42:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:42:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:42:30,990 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:42:30,990 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:42:30,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:42:30 BoogieIcfgContainer [2020-10-14 21:42:30,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:42:30,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:42:30,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:42:31,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:42:31,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:42:28" (1/3) ... [2020-10-14 21:42:31,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6970b9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:42:31, skipping insertion in model container [2020-10-14 21:42:31,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:29" (2/3) ... [2020-10-14 21:42:31,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6970b9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:42:31, skipping insertion in model container [2020-10-14 21:42:31,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:42:30" (3/3) ... [2020-10-14 21:42:31,007 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label19.c [2020-10-14 21:42:31,018 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:42:31,027 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:42:31,041 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:42:31,070 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:42:31,070 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:42:31,070 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:42:31,070 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:42:31,071 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:42:31,071 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:42:31,071 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:42:31,071 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:42:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:42:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-14 21:42:31,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:31,111 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] [2020-10-14 21:42:31,111 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:31,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:31,118 INFO L82 PathProgramCache]: Analyzing trace with hash -370104541, now seen corresponding path program 1 times [2020-10-14 21:42:31,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:31,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459798072] [2020-10-14 21:42:31,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:31,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:31,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:31,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 21:42:31,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:31,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-14 21:42:31,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:31,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:31,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:42:31,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:42:31,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 21:42:31,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:42:31,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:31,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:31,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:31,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:31,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:31,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:42:31,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:31,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:31,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:42:31,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:31,998 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 21:42:31,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459798072] [2020-10-14 21:42:32,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:42:32,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 21:42:32,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906160928] [2020-10-14 21:42:32,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:42:32,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:32,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:42:32,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:42:32,026 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 21:42:34,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:34,567 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-10-14 21:42:34,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:42:34,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-10-14 21:42:34,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:34,591 INFO L225 Difference]: With dead ends: 886 [2020-10-14 21:42:34,591 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 21:42:34,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:34,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 21:42:34,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-10-14 21:42:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-14 21:42:34,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-10-14 21:42:34,709 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 68 [2020-10-14 21:42:34,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:34,710 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-10-14 21:42:34,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:42:34,711 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-10-14 21:42:34,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-14 21:42:34,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:34,719 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:42:34,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:42:34,720 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:34,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:34,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1066707842, now seen corresponding path program 1 times [2020-10-14 21:42:34,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:34,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114935933] [2020-10-14 21:42:34,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:34,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:34,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:35,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:36,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:36,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 21:42:36,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:42:36,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1327 [2020-10-14 21:42:36,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:36,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:36,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:36,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:42:36,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:42:36,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:42:36,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:36,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:36,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:36,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:36,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:36,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 21:42:36,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:36,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:36,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:36,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:42:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:36,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:36,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:36,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 21:42:36,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 21:42:36,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:36,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-14 21:42:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 21:42:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:42:36,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114935933] [2020-10-14 21:42:36,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:36,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:42:36,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890457906] [2020-10-14 21:42:36,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:42:36,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:36,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:42:36,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:42:36,408 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 5 states. [2020-10-14 21:42:38,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:38,338 INFO L93 Difference]: Finished difference Result 1672 states and 2763 transitions. [2020-10-14 21:42:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:42:38,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-14 21:42:38,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:38,348 INFO L225 Difference]: With dead ends: 1672 [2020-10-14 21:42:38,348 INFO L226 Difference]: Without dead ends: 1120 [2020-10-14 21:42:38,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:42:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2020-10-14 21:42:38,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 742. [2020-10-14 21:42:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-10-14 21:42:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1174 transitions. [2020-10-14 21:42:38,400 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1174 transitions. Word has length 142 [2020-10-14 21:42:38,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:38,401 INFO L479 AbstractCegarLoop]: Abstraction has 742 states and 1174 transitions. [2020-10-14 21:42:38,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:42:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1174 transitions. [2020-10-14 21:42:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-14 21:42:38,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:38,407 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:38,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:42:38,407 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:38,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:38,408 INFO L82 PathProgramCache]: Analyzing trace with hash 585119506, now seen corresponding path program 1 times [2020-10-14 21:42:38,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:38,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [172300006] [2020-10-14 21:42:38,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:38,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:39,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:39,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-14 21:42:39,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:42:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1085 [2020-10-14 21:42:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:39,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:42:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:42:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:42:39,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:39,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:39,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:39,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:39,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:39,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:39,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:42:39,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:39,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:39,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:42:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:42:39,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:39,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:39,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:42:39,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:39,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-14 21:42:39,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:39,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:39,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:39,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:39,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 21:42:39,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:42:39,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [172300006] [2020-10-14 21:42:39,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:42:39,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:42:39,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53003119] [2020-10-14 21:42:39,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:39,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:39,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:39,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:39,836 INFO L87 Difference]: Start difference. First operand 742 states and 1174 transitions. Second operand 7 states. [2020-10-14 21:42:41,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:41,598 INFO L93 Difference]: Finished difference Result 1874 states and 3005 transitions. [2020-10-14 21:42:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:42:41,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 148 [2020-10-14 21:42:41,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:41,606 INFO L225 Difference]: With dead ends: 1874 [2020-10-14 21:42:41,606 INFO L226 Difference]: Without dead ends: 1138 [2020-10-14 21:42:41,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:42:41,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2020-10-14 21:42:41,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 934. [2020-10-14 21:42:41,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 934 states. [2020-10-14 21:42:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1385 transitions. [2020-10-14 21:42:41,646 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1385 transitions. Word has length 148 [2020-10-14 21:42:41,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:41,646 INFO L479 AbstractCegarLoop]: Abstraction has 934 states and 1385 transitions. [2020-10-14 21:42:41,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:41,647 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1385 transitions. [2020-10-14 21:42:41,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-14 21:42:41,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:41,652 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:42:41,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:42:41,653 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:41,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:41,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2075535652, now seen corresponding path program 1 times [2020-10-14 21:42:41,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:41,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762078995] [2020-10-14 21:42:41,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:41,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:41,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:41,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:42,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:43,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:45,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:45,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 21:42:45,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:42:45,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4023 [2020-10-14 21:42:45,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:45,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:45,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:45,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-10-14 21:42:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:42:45,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:45,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:45,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:45,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:45,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:45,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:42:45,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:45,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:45,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:45,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:45,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:45,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:45,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:45,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:45,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:45,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:42:45,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:45,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:42:45,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:45,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:45,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:45,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:45,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:45,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:45,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 21:42:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:45,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:45,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:45,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 21:42:45,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:45,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:42:45,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:45,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:42:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-14 21:42:46,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762078995] [2020-10-14 21:42:46,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:46,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:42:46,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092919510] [2020-10-14 21:42:46,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:42:46,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:46,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:42:46,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:42:46,049 INFO L87 Difference]: Start difference. First operand 934 states and 1385 transitions. Second operand 5 states. [2020-10-14 21:42:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:47,751 INFO L93 Difference]: Finished difference Result 2788 states and 4196 transitions. [2020-10-14 21:42:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:42:47,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2020-10-14 21:42:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:47,763 INFO L225 Difference]: With dead ends: 2788 [2020-10-14 21:42:47,764 INFO L226 Difference]: Without dead ends: 1860 [2020-10-14 21:42:47,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:42:47,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-10-14 21:42:47,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1670. [2020-10-14 21:42:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1670 states. [2020-10-14 21:42:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2274 transitions. [2020-10-14 21:42:47,823 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2274 transitions. Word has length 217 [2020-10-14 21:42:47,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:47,824 INFO L479 AbstractCegarLoop]: Abstraction has 1670 states and 2274 transitions. [2020-10-14 21:42:47,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:42:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2274 transitions. [2020-10-14 21:42:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-14 21:42:47,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:47,829 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:42:47,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:42:47,830 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:47,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:47,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1573242919, now seen corresponding path program 1 times [2020-10-14 21:42:47,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:47,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320467699] [2020-10-14 21:42:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:47,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:47,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:48,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:50,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:52,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:52,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-14 21:42:52,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:42:52,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4412 [2020-10-14 21:42:52,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:52,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 21:42:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:42:52,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:42:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:42:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:52,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:52,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:52,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:42:52,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:42:52,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:52,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:42:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:52,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:42:52,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-14 21:42:52,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:42:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:52,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:52,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:52,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:42:52,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:42:52,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:52,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:52,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:42:52,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:42:52,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 21:42:52,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:52,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 21:42:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:52,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:52,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:42:52,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:42:52,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:42:52,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 21:42:52,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:42:52,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:42:52,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:42:52,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:42:52,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:42:52,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:42:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:42:52,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320467699] [2020-10-14 21:42:52,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:42:52,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:42:52,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529463894] [2020-10-14 21:42:52,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:42:52,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:42:52,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:42:52,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:42:52,754 INFO L87 Difference]: Start difference. First operand 1670 states and 2274 transitions. Second operand 7 states. [2020-10-14 21:42:54,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:42:54,884 INFO L93 Difference]: Finished difference Result 4104 states and 5706 transitions. [2020-10-14 21:42:54,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:42:54,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-10-14 21:42:54,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:42:54,896 INFO L225 Difference]: With dead ends: 4104 [2020-10-14 21:42:54,896 INFO L226 Difference]: Without dead ends: 1702 [2020-10-14 21:42:54,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:42:54,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2020-10-14 21:42:54,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1676. [2020-10-14 21:42:54,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1676 states. [2020-10-14 21:42:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 1918 transitions. [2020-10-14 21:42:54,971 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 1918 transitions. Word has length 220 [2020-10-14 21:42:54,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:42:54,972 INFO L479 AbstractCegarLoop]: Abstraction has 1676 states and 1918 transitions. [2020-10-14 21:42:54,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:42:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 1918 transitions. [2020-10-14 21:42:54,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-14 21:42:54,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:42:54,980 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:42:54,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:42:54,981 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:42:54,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:42:54,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1669544739, now seen corresponding path program 1 times [2020-10-14 21:42:54,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:42:54,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332693428] [2020-10-14 21:42:54,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:42:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:42:55,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:55,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:55,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:42:55,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 342 [2020-10-14 21:43:00,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:00,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 21:43:00,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:43:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 21:43:00,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:00,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:00,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 21:43:00,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:00,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:00,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:00,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:00,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-14 21:43:00,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:00,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 21:43:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:00,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:00,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:00,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:00,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:00,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:43:00,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:00,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:43:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:00,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 122 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:43:01,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332693428] [2020-10-14 21:43:01,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:01,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:01,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383046628] [2020-10-14 21:43:01,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:01,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:01,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:01,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:01,012 INFO L87 Difference]: Start difference. First operand 1676 states and 1918 transitions. Second operand 7 states. [2020-10-14 21:43:02,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:02,521 INFO L93 Difference]: Finished difference Result 3746 states and 4354 transitions. [2020-10-14 21:43:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:43:02,522 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 330 [2020-10-14 21:43:02,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:02,533 INFO L225 Difference]: With dead ends: 3746 [2020-10-14 21:43:02,533 INFO L226 Difference]: Without dead ends: 2076 [2020-10-14 21:43:02,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:43:02,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2020-10-14 21:43:02,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2062. [2020-10-14 21:43:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2062 states. [2020-10-14 21:43:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2350 transitions. [2020-10-14 21:43:02,604 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2350 transitions. Word has length 330 [2020-10-14 21:43:02,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:02,605 INFO L479 AbstractCegarLoop]: Abstraction has 2062 states and 2350 transitions. [2020-10-14 21:43:02,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2350 transitions. [2020-10-14 21:43:02,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2020-10-14 21:43:02,614 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:02,615 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:02,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:43:02,615 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:02,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:02,616 INFO L82 PathProgramCache]: Analyzing trace with hash 713044893, now seen corresponding path program 1 times [2020-10-14 21:43:02,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:02,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444933189] [2020-10-14 21:43:02,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:02,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:02,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:03,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:03,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:07,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:07,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 453 [2020-10-14 21:43:07,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:07,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 21:43:07,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:07,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:07,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:07,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 21:43:07,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:43:07,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:07,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:07,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:07,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:07,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:07,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:07,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:07,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:43:07,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:07,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:07,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:07,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:07,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:07,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-14 21:43:07,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:07,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:07,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:07,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:07,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:43:07,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:07,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:43:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:07,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:08,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-14 21:43:08,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:08,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:08,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:08,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:08,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-10-14 21:43:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:08,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:08,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:08,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:08,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:08,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:43:08,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:08,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:43:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 293 proven. 82 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-14 21:43:08,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444933189] [2020-10-14 21:43:08,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:08,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:08,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830636175] [2020-10-14 21:43:08,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:08,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:08,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:08,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:08,841 INFO L87 Difference]: Start difference. First operand 2062 states and 2350 transitions. Second operand 7 states. [2020-10-14 21:43:10,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:10,296 INFO L93 Difference]: Finished difference Result 4868 states and 5623 transitions. [2020-10-14 21:43:10,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:43:10,297 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 439 [2020-10-14 21:43:10,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:10,310 INFO L225 Difference]: With dead ends: 4868 [2020-10-14 21:43:10,310 INFO L226 Difference]: Without dead ends: 2812 [2020-10-14 21:43:10,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:43:10,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2020-10-14 21:43:10,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2804. [2020-10-14 21:43:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2804 states. [2020-10-14 21:43:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 3170 transitions. [2020-10-14 21:43:10,398 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 3170 transitions. Word has length 439 [2020-10-14 21:43:10,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:10,399 INFO L479 AbstractCegarLoop]: Abstraction has 2804 states and 3170 transitions. [2020-10-14 21:43:10,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3170 transitions. [2020-10-14 21:43:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2020-10-14 21:43:10,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:10,415 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:10,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:43:10,416 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:10,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:10,417 INFO L82 PathProgramCache]: Analyzing trace with hash 103189562, now seen corresponding path program 1 times [2020-10-14 21:43:10,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:10,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695336575] [2020-10-14 21:43:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:10,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:10,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:10,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:10,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:15,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:15,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 589 [2020-10-14 21:43:15,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 21:43:15,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:15,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:43:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:43:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-14 21:43:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:15,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:15,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:15,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:15,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:15,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:15,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:43:15,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:15,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:15,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:15,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:15,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:43:15,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:15,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:15,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:15,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:15,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:15,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:15,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 21:43:15,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:15,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:15,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:15,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:15,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:43:15,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:15,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:15,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:43:16,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-14 21:43:16,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:16,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:16,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:43:16,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:16,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 21:43:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:16,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:43:16,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:16,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:43:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-14 21:43:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:16,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:16,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:16,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:16,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:43:16,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:16,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:43:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:16,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 253 proven. 494 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-14 21:43:16,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695336575] [2020-10-14 21:43:16,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:16,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:43:16,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313946933] [2020-10-14 21:43:16,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:43:16,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:16,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:43:16,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:43:16,884 INFO L87 Difference]: Start difference. First operand 2804 states and 3170 transitions. Second operand 8 states. [2020-10-14 21:43:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:18,228 INFO L93 Difference]: Finished difference Result 5618 states and 6365 transitions. [2020-10-14 21:43:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:43:18,230 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 573 [2020-10-14 21:43:18,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:18,243 INFO L225 Difference]: With dead ends: 5618 [2020-10-14 21:43:18,243 INFO L226 Difference]: Without dead ends: 3002 [2020-10-14 21:43:18,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:43:18,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3002 states. [2020-10-14 21:43:18,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3002 to 2990. [2020-10-14 21:43:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2990 states. [2020-10-14 21:43:18,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 3359 transitions. [2020-10-14 21:43:18,322 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 3359 transitions. Word has length 573 [2020-10-14 21:43:18,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:18,323 INFO L479 AbstractCegarLoop]: Abstraction has 2990 states and 3359 transitions. [2020-10-14 21:43:18,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:43:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3359 transitions. [2020-10-14 21:43:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2020-10-14 21:43:18,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:18,342 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-14 21:43:18,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:43:18,342 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:18,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:18,343 INFO L82 PathProgramCache]: Analyzing trace with hash -2116559962, now seen corresponding path program 1 times [2020-10-14 21:43:18,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:18,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434763913] [2020-10-14 21:43:18,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:18,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:18,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:19,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:21,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:21,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:23,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:23,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 684 [2020-10-14 21:43:23,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:43:23,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 21:43:23,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:23,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:43:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:43:23,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 301 [2020-10-14 21:43:23,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:23,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:23,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:23,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:23,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:23,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:23,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:43:23,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:23,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:23,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:23,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:23,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:23,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:23,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:23,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:23,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:23,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:23,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:23,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:43:23,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:23,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:23,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:23,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:23,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:23,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:23,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:23,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:43:23,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:23,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:23,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:43:23,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:23,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:23,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:23,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:23,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:23,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:23,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 21:43:23,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:23,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:23,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 21:43:23,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:23,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:23,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:24,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:24,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:24,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:24,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 21:43:24,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:24,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:24,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:24,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:24,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:24,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:24,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-10-14 21:43:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:24,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:24,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:24,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:24,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:24,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:43:24,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:24,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:24,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:24,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:43:24,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:24,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 750 proven. 164 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2020-10-14 21:43:24,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434763913] [2020-10-14 21:43:24,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:24,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:24,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936052472] [2020-10-14 21:43:24,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:24,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:24,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:24,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:24,406 INFO L87 Difference]: Start difference. First operand 2990 states and 3359 transitions. Second operand 7 states. [2020-10-14 21:43:25,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:25,823 INFO L93 Difference]: Finished difference Result 6908 states and 7883 transitions. [2020-10-14 21:43:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:43:25,824 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 666 [2020-10-14 21:43:25,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:25,842 INFO L225 Difference]: With dead ends: 6908 [2020-10-14 21:43:25,843 INFO L226 Difference]: Without dead ends: 4290 [2020-10-14 21:43:25,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:43:25,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4290 states. [2020-10-14 21:43:25,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4290 to 4280. [2020-10-14 21:43:25,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4280 states. [2020-10-14 21:43:25,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 4765 transitions. [2020-10-14 21:43:25,941 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 4765 transitions. Word has length 666 [2020-10-14 21:43:25,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:25,942 INFO L479 AbstractCegarLoop]: Abstraction has 4280 states and 4765 transitions. [2020-10-14 21:43:25,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:25,942 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 4765 transitions. [2020-10-14 21:43:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2020-10-14 21:43:25,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:25,956 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:25,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:43:25,957 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:25,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:25,957 INFO L82 PathProgramCache]: Analyzing trace with hash -257423370, now seen corresponding path program 1 times [2020-10-14 21:43:25,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:25,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081996418] [2020-10-14 21:43:25,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:26,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:26,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:26,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:27,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:31,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:31,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 845 [2020-10-14 21:43:31,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-14 21:43:31,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:31,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:43:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:43:31,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:31,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:31,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:31,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:31,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:31,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:31,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:31,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:31,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:31,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:31,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:31,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:31,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:31,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:31,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:31,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:31,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:31,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:43:31,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:31,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:31,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:31,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:31,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:31,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:31,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:31,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:31,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:31,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:31,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:31,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:43:31,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:31,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:31,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:31,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:31,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:31,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:31,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:31,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:31,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:43:31,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:31,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:31,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:31,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:31,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:31,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:31,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:43:31,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:31,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:43:31,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:31,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:31,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:31,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:31,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:43:31,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:31,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:43:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:31,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:31,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:31,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:31,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:31,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 21:43:31,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:31,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:31,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:31,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:31,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:31,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:31,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2020-10-14 21:43:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:31,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:31,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:31,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:31,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:31,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:43:31,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:31,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:43:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:31,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:32,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 880 proven. 82 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2020-10-14 21:43:32,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081996418] [2020-10-14 21:43:32,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:32,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:32,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503132311] [2020-10-14 21:43:32,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:32,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:32,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:32,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:32,122 INFO L87 Difference]: Start difference. First operand 4280 states and 4765 transitions. Second operand 7 states. [2020-10-14 21:43:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:33,487 INFO L93 Difference]: Finished difference Result 9118 states and 10321 transitions. [2020-10-14 21:43:33,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:43:33,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 825 [2020-10-14 21:43:33,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:33,510 INFO L225 Difference]: With dead ends: 9118 [2020-10-14 21:43:33,510 INFO L226 Difference]: Without dead ends: 5210 [2020-10-14 21:43:33,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:43:33,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5210 states. [2020-10-14 21:43:33,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5210 to 5200. [2020-10-14 21:43:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5200 states. [2020-10-14 21:43:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 5200 states and 5820 transitions. [2020-10-14 21:43:33,629 INFO L78 Accepts]: Start accepts. Automaton has 5200 states and 5820 transitions. Word has length 825 [2020-10-14 21:43:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:33,631 INFO L479 AbstractCegarLoop]: Abstraction has 5200 states and 5820 transitions. [2020-10-14 21:43:33,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 5200 states and 5820 transitions. [2020-10-14 21:43:33,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2020-10-14 21:43:33,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:33,644 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:43:33,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:43:33,645 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:33,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:33,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1147471234, now seen corresponding path program 1 times [2020-10-14 21:43:33,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:33,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382586220] [2020-10-14 21:43:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:33,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:34,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:34,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:34,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:34,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:38,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:38,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:38,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 902 [2020-10-14 21:43:38,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 21:43:38,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 21:43:38,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:38,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:43:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:43:38,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 338 [2020-10-14 21:43:38,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:38,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:38,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:38,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:38,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:38,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:38,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:38,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:38,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:38,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:39,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:43:39,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:43:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:39,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-14 21:43:39,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:39,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 21:43:39,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:43:39,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:43:39,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 21:43:39,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:43:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:43:39,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-14 21:43:39,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:39,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:43:39,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2020-10-14 21:43:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:39,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-14 21:43:39,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:43:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2020-10-14 21:43:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:39,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:39,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:39,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:39,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:39,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:43:39,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:39,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:43:39,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2461 backedges. 1236 proven. 562 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2020-10-14 21:43:40,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382586220] [2020-10-14 21:43:40,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:40,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:43:40,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425472137] [2020-10-14 21:43:40,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:43:40,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:40,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:43:40,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:43:40,395 INFO L87 Difference]: Start difference. First operand 5200 states and 5820 transitions. Second operand 8 states. [2020-10-14 21:43:41,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:41,831 INFO L93 Difference]: Finished difference Result 10956 states and 12312 transitions. [2020-10-14 21:43:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:43:41,832 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 880 [2020-10-14 21:43:41,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:41,870 INFO L225 Difference]: With dead ends: 10956 [2020-10-14 21:43:41,870 INFO L226 Difference]: Without dead ends: 6128 [2020-10-14 21:43:41,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:43:41,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6128 states. [2020-10-14 21:43:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6128 to 5934. [2020-10-14 21:43:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5934 states. [2020-10-14 21:43:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5934 states to 5934 states and 6603 transitions. [2020-10-14 21:43:42,024 INFO L78 Accepts]: Start accepts. Automaton has 5934 states and 6603 transitions. Word has length 880 [2020-10-14 21:43:42,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:42,025 INFO L479 AbstractCegarLoop]: Abstraction has 5934 states and 6603 transitions. [2020-10-14 21:43:42,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:43:42,025 INFO L276 IsEmpty]: Start isEmpty. Operand 5934 states and 6603 transitions. [2020-10-14 21:43:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2020-10-14 21:43:42,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:42,040 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:42,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:43:42,040 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:42,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:42,041 INFO L82 PathProgramCache]: Analyzing trace with hash 637967469, now seen corresponding path program 1 times [2020-10-14 21:43:42,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:42,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527601469] [2020-10-14 21:43:42,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:42,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:42,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:43,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:44,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 923 [2020-10-14 21:43:47,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:47,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 21:43:47,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 770 [2020-10-14 21:43:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:43:47,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:47,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:47,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:47,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:47,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:47,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:47,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:47,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:47,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:47,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:47,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:47,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:47,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:43:47,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:47,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:47,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:47,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:47,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:47,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:47,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:47,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:43:47,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:47,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:47,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:47,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:47,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:43:47,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:47,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:47,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:43:47,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:47,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:43:47,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:47,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:47,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:47,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:47,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:43:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:47,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:43:47,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:43:47,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:47,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:43:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:47,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:47,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:43:47,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:47,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:47,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:43:47,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:47,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-10-14 21:43:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:47,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:47,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:47,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:47,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:47,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:43:47,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:47,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:47,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:47,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:47,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:43:47,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2457 backedges. 925 proven. 2 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2020-10-14 21:43:48,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527601469] [2020-10-14 21:43:48,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:48,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:48,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674427684] [2020-10-14 21:43:48,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:48,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:48,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:48,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:48,263 INFO L87 Difference]: Start difference. First operand 5934 states and 6603 transitions. Second operand 7 states. [2020-10-14 21:43:49,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:49,770 INFO L93 Difference]: Finished difference Result 12608 states and 14232 transitions. [2020-10-14 21:43:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:43:49,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 901 [2020-10-14 21:43:49,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:49,794 INFO L225 Difference]: With dead ends: 12608 [2020-10-14 21:43:49,795 INFO L226 Difference]: Without dead ends: 7046 [2020-10-14 21:43:49,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:43:49,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7046 states. [2020-10-14 21:43:49,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7046 to 7044. [2020-10-14 21:43:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7044 states. [2020-10-14 21:43:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7044 states to 7044 states and 7817 transitions. [2020-10-14 21:43:49,930 INFO L78 Accepts]: Start accepts. Automaton has 7044 states and 7817 transitions. Word has length 901 [2020-10-14 21:43:49,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:49,931 INFO L479 AbstractCegarLoop]: Abstraction has 7044 states and 7817 transitions. [2020-10-14 21:43:49,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 7044 states and 7817 transitions. [2020-10-14 21:43:49,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1085 [2020-10-14 21:43:49,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:49,955 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:43:49,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:43:49,956 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:49,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:49,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1981321977, now seen corresponding path program 1 times [2020-10-14 21:43:49,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:49,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301358593] [2020-10-14 21:43:49,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:50,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:50,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:53,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:53,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1108 [2020-10-14 21:43:55,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:43:55,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-14 21:43:55,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 686 [2020-10-14 21:43:55,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:43:55,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:55,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:43:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:43:55,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:43:55,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:55,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:55,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:43:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:43:55,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:43:55,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:55,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:55,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:55,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:43:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:43:55,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:43:55,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:55,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:55,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:55,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:43:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:43:55,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:43:55,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:43:55,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:43:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:43:55,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:43:55,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:55,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:55,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:43:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:55,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:55,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:55,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 21:43:55,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:55,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-14 21:43:55,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:55,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:43:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:43:55,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 21:43:55,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:55,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 21:43:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:56,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:56,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:56,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:43:56,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:56,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-14 21:43:56,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:56,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:43:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:43:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:43:56,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:56,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2020-10-14 21:43:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:56,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:56,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:56,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:43:56,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:56,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:43:56,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:56,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:56,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:56,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:43:56,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:56,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:56,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2020-10-14 21:43:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:56,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:43:56,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:43:56,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:43:56,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:43:56,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:43:56,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:43:56,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:43:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:43:56,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:43:56,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:43:56,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:43:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3412 backedges. 1201 proven. 165 refuted. 0 times theorem prover too weak. 2046 trivial. 0 not checked. [2020-10-14 21:43:57,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301358593] [2020-10-14 21:43:57,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:43:57,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:43:57,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800783050] [2020-10-14 21:43:57,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:43:57,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:43:57,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:43:57,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:43:57,169 INFO L87 Difference]: Start difference. First operand 7044 states and 7817 transitions. Second operand 7 states. [2020-10-14 21:43:58,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:43:58,622 INFO L93 Difference]: Finished difference Result 14456 states and 16271 transitions. [2020-10-14 21:43:58,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:43:58,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1084 [2020-10-14 21:43:58,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:43:58,647 INFO L225 Difference]: With dead ends: 14456 [2020-10-14 21:43:58,647 INFO L226 Difference]: Without dead ends: 7784 [2020-10-14 21:43:58,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:43:58,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7784 states. [2020-10-14 21:43:58,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7784 to 7782. [2020-10-14 21:43:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7782 states. [2020-10-14 21:43:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7782 states to 7782 states and 8707 transitions. [2020-10-14 21:43:58,813 INFO L78 Accepts]: Start accepts. Automaton has 7782 states and 8707 transitions. Word has length 1084 [2020-10-14 21:43:58,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:43:58,814 INFO L479 AbstractCegarLoop]: Abstraction has 7782 states and 8707 transitions. [2020-10-14 21:43:58,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:43:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 7782 states and 8707 transitions. [2020-10-14 21:43:58,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1087 [2020-10-14 21:43:58,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:43:58,849 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:43:58,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:43:58,849 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:43:58,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:43:58,850 INFO L82 PathProgramCache]: Analyzing trace with hash 2054287994, now seen corresponding path program 1 times [2020-10-14 21:43:58,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:43:58,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323229666] [2020-10-14 21:43:58,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:43:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:43:59,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:00,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:01,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:02,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:04,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1112 [2020-10-14 21:44:04,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:44:04,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5083 [2020-10-14 21:44:04,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:04,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:04,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:44:04,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:44:04,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-14 21:44:04,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:04,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:04,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:04,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:04,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:04,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:44:04,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:04,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:04,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:04,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:04,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:04,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:04,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:04,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:44:04,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:04,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:04,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:04,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:04,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:04,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:04,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:04,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:44:04,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:04,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:04,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:04,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:04,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:04,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:04,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:04,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:04,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:04,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:44:04,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:04,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:04,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:04,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:04,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:04,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:04,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:44:04,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:04,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:44:04,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:04,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:04,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:04,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:44:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:04,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:04,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:04,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:04,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:44:04,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:04,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:04,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:04,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:04,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:04,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:04,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:44:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:04,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:04,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:04,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:04,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:04,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:44:04,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:04,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:04,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:04,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:04,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:44:04,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:04,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:44:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:04,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:05,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:05,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:05,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:05,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-10-14 21:44:05,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:05,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:05,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:44:05,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:05,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:05,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:05,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:44:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:05,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:05,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:05,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:44:05,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:05,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:44:05,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:05,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:05,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:05,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:05,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 21:44:05,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:05,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2020-10-14 21:44:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:05,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:05,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:05,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:05,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:05,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:44:05,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:05,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:44:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:05,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:06,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3829 backedges. 1830 proven. 164 refuted. 0 times theorem prover too weak. 1835 trivial. 0 not checked. [2020-10-14 21:44:06,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323229666] [2020-10-14 21:44:06,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:06,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 21:44:06,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657076992] [2020-10-14 21:44:06,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 21:44:06,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:06,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 21:44:06,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:44:06,112 INFO L87 Difference]: Start difference. First operand 7782 states and 8707 transitions. Second operand 10 states. [2020-10-14 21:44:08,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:08,695 INFO L93 Difference]: Finished difference Result 17038 states and 19264 transitions. [2020-10-14 21:44:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:44:08,699 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1086 [2020-10-14 21:44:08,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:08,724 INFO L225 Difference]: With dead ends: 17038 [2020-10-14 21:44:08,724 INFO L226 Difference]: Without dead ends: 9628 [2020-10-14 21:44:08,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-10-14 21:44:08,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9628 states. [2020-10-14 21:44:08,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9628 to 9626. [2020-10-14 21:44:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9626 states. [2020-10-14 21:44:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 10881 transitions. [2020-10-14 21:44:08,906 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 10881 transitions. Word has length 1086 [2020-10-14 21:44:08,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:08,907 INFO L479 AbstractCegarLoop]: Abstraction has 9626 states and 10881 transitions. [2020-10-14 21:44:08,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 21:44:08,907 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 10881 transitions. [2020-10-14 21:44:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2020-10-14 21:44:08,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:08,926 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:08,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:44:08,927 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:08,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:08,927 INFO L82 PathProgramCache]: Analyzing trace with hash 186850490, now seen corresponding path program 1 times [2020-10-14 21:44:08,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:08,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301120502] [2020-10-14 21:44:08,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:09,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:09,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:14,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:14,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1144 [2020-10-14 21:44:14,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:14,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-14 21:44:14,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:14,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:14,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:44:14,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:44:14,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 387 [2020-10-14 21:44:14,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:14,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:14,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:14,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:44:14,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:14,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:14,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:14,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:14,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:14,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:14,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:14,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:14,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:14,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:14,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:14,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:14,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:14,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:14,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:14,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:14,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:14,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:14,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:14,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:14,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:14,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:14,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:14,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:14,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:14,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:14,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:44:14,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:14,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:44:14,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:14,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:14,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:44:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:14,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:14,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:44:14,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:14,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:44:14,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:14,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:14,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:14,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:44:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:14,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:14,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:44:14,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:14,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 21:44:14,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:14,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:14,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:14,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:14,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:44:14,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:44:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:14,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:14,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:14,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:14,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-14 21:44:14,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:14,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:44:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:14,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:14,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:14,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:44:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:14,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:15,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:15,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:44:15,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:15,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 21:44:15,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:15,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:44:15,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:15,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:44:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:15,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:15,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:15,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:15,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:15,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 21:44:15,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:15,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:44:15,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3971 backedges. 2429 proven. 164 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2020-10-14 21:44:16,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301120502] [2020-10-14 21:44:16,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:16,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:44:16,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617833097] [2020-10-14 21:44:16,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:44:16,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:16,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:44:16,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:44:16,446 INFO L87 Difference]: Start difference. First operand 9626 states and 10881 transitions. Second operand 11 states. [2020-10-14 21:44:19,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:19,318 INFO L93 Difference]: Finished difference Result 18882 states and 21387 transitions. [2020-10-14 21:44:19,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:44:19,318 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1118 [2020-10-14 21:44:19,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:19,363 INFO L225 Difference]: With dead ends: 18882 [2020-10-14 21:44:19,363 INFO L226 Difference]: Without dead ends: 9628 [2020-10-14 21:44:19,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2020-10-14 21:44:19,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9628 states. [2020-10-14 21:44:19,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9628 to 9626. [2020-10-14 21:44:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9626 states. [2020-10-14 21:44:19,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 10871 transitions. [2020-10-14 21:44:19,575 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 10871 transitions. Word has length 1118 [2020-10-14 21:44:19,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:19,576 INFO L479 AbstractCegarLoop]: Abstraction has 9626 states and 10871 transitions. [2020-10-14 21:44:19,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:44:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 10871 transitions. [2020-10-14 21:44:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1218 [2020-10-14 21:44:19,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:44:19,608 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:44:19,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:44:19,608 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:44:19,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:44:19,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1105694685, now seen corresponding path program 1 times [2020-10-14 21:44:19,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:44:19,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416541073] [2020-10-14 21:44:19,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:44:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:19,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:20,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:24,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:24,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1243 [2020-10-14 21:44:24,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:44:24,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-14 21:44:24,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:24,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:24,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:24,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 821 [2020-10-14 21:44:24,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:44:24,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:24,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:44:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:24,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:24,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:24,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:44:24,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:24,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:44:24,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:24,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:24,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:24,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:24,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:24,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:44:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:44:25,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:44:25,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:44:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:44:25,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:44:25,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:44:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:44:25,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:44:25,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:44:25,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:44:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:44:25,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:44:25,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:44:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 21:44:25,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:44:25,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 21:44:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:44:25,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:44:25,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:44:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:44:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:44:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2020-10-14 21:44:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:44:25,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-14 21:44:25,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:44:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:44:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:44:25,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2020-10-14 21:44:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 21:44:25,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:44:25,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 21:44:25,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:25,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1074 [2020-10-14 21:44:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:44:25,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:44:25,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:44:25,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:44:25,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:44:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:44:25,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:44:25,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:44:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:44:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 21:44:25,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:44:25,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:44:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4377 backedges. 1405 proven. 165 refuted. 0 times theorem prover too weak. 2807 trivial. 0 not checked. [2020-10-14 21:44:26,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416541073] [2020-10-14 21:44:26,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:44:26,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:44:26,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159614069] [2020-10-14 21:44:26,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:44:26,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:44:26,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:44:26,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:44:26,400 INFO L87 Difference]: Start difference. First operand 9626 states and 10871 transitions. Second operand 7 states. [2020-10-14 21:44:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:44:27,893 INFO L93 Difference]: Finished difference Result 18894 states and 21373 transitions. [2020-10-14 21:44:27,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:44:27,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1217 [2020-10-14 21:44:27,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:44:27,898 INFO L225 Difference]: With dead ends: 18894 [2020-10-14 21:44:27,898 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:44:27,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:44:27,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:44:27,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:44:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:44:27,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:44:27,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1217 [2020-10-14 21:44:27,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:44:27,918 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:44:27,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:44:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:44:27,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:44:27,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:44:27,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:44:28,712 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 88 [2020-10-14 21:44:28,840 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 88 [2020-10-14 21:44:29,771 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 60 [2020-10-14 21:44:29,996 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2020-10-14 21:44:30,199 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2020-10-14 21:44:30,204 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:44:30,204 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 21:44:30,204 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:44:30,204 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:44:30,204 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:44:30,205 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,205 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,205 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,205 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:44:30,205 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:44:30,205 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:44:30,205 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:44:30,205 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:44:30,206 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:44:30,206 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:44:30,206 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:44:30,206 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,206 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,206 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,206 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:44:30,206 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:44:30,206 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:44:30,207 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:44:30,207 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:44:30,207 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:44:30,207 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:44:30,207 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:44:30,207 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,207 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,207 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,207 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:44:30,208 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:44:30,208 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:44:30,208 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:44:30,208 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:44:30,208 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:44:30,208 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:44:30,208 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:44:30,208 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:44:30,209 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,209 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,209 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,209 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:44:30,209 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:44:30,209 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:44:30,209 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:44:30,209 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:44:30,209 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:44:30,210 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:44:30,210 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,210 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,210 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,210 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:44:30,210 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:44:30,210 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:44:30,210 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:44:30,210 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:44:30,211 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:44:30,211 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:44:30,211 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:44:30,211 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:44:30,211 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,211 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,211 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,211 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,211 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:44:30,212 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:44:30,212 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:44:30,212 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:44:30,212 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:44:30,212 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:44:30,212 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:44:30,212 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:44:30,212 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,212 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,213 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,213 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:44:30,213 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:44:30,213 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:44:30,213 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:44:30,213 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:44:30,213 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:44:30,213 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:44:30,213 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:44:30,214 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,214 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,214 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,214 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:44:30,214 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:44:30,214 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:44:30,214 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:44:30,214 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:44:30,214 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:44:30,215 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse10 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse4 (not (<= 0 (+ |old(~a12~0)| 21)))) (.cse6 (not (<= 8 |old(~a21~0)|))) (.cse3 (not (= 6 |old(~a21~0)|))) (.cse7 (and .cse0 .cse10 .cse1 .cse2)) (.cse5 (not (= 7 |old(~a21~0)|))) (.cse8 (and .cse0 .cse10 (not (= ~a15~0 6)) .cse1 .cse2)) (.cse9 (= 6 |old(~a15~0)|))) (and (or (and .cse0 (= ~a21~0 6) .cse1 .cse2) .cse3 .cse4) (or .cse5 (and .cse0 .cse1 (= 7 ~a21~0) .cse2) .cse4) (or (and .cse0 (= ~a21~0 9) .cse1 .cse2) (not (= 9 |old(~a21~0)|))) (or .cse6 .cse7 .cse4) (or .cse8 (not (= |old(~a24~0)| 1)) (not (= 5 |old(~a15~0)|))) (or .cse6 .cse8 .cse9) (or .cse8 .cse9 .cse3) (or (not (<= 10 |old(~a21~0)|)) .cse7) (or .cse5 .cse8 .cse9)))) [2020-10-14 21:44:30,215 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:44:30,215 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:44:30,215 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:44:30,216 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:44:30,217 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:44:30,218 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:44:30,218 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,218 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,218 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,218 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:44:30,218 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:44:30,218 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:44:30,218 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:44:30,218 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:44:30,219 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:44:30,219 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:44:30,219 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:44:30,219 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,219 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,219 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,219 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:44:30,219 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:44:30,219 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:44:30,220 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:44:30,220 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:44:30,220 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:44:30,220 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:44:30,220 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:44:30,220 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,220 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,220 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:44:30,220 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:44:30,221 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:44:30,221 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:44:30,221 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:44:30,221 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:44:30,221 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:44:30,221 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:44:30,221 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2020-10-14 21:44:30,221 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,221 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,222 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:44:30,222 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:44:30,222 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:44:30,222 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:44:30,222 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:44:30,222 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:44:30,222 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,222 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,222 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,223 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,224 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,225 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:44:30,226 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:44:30,226 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:44:30,226 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:44:30,226 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:44:30,226 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:44:30,226 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:44:30,226 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:44:30,226 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:44:30,226 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:44:30,227 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:44:30,228 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:44:30,229 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:44:30,230 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:44:30,231 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:44:30,231 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:44:30,231 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-14 21:44:30,231 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:44:30,231 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:44:30,231 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-14 21:44:30,231 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:44:30,232 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (= 7 ~a21~0)) (.cse2 (<= 0 (+ ~a12~0 21))) (.cse4 (= ~a21~0 6)) (.cse3 (<= 8 ~a21~0)) (.cse0 (not (= ~a15~0 6)))) (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse0 .cse1) (and .cse2 .cse1) (not (= 8 |old(~a15~0)|)) (<= 10 ~a21~0) (= ~a21~0 9) (and .cse2 .cse3) (and .cse2 .cse4) (and .cse4 .cse0) (and (= 5 ~a15~0) (= ~a24~0 1)) (and .cse3 .cse0))) [2020-10-14 21:44:30,232 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:44:30,232 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:44:30,232 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (= 7 ~a21~0)) (.cse2 (<= 0 (+ ~a12~0 21))) (.cse4 (= ~a21~0 6)) (.cse3 (<= 8 ~a21~0)) (.cse0 (not (= ~a15~0 6)))) (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse0 .cse1) (and .cse2 .cse1) (not (= 8 |old(~a15~0)|)) (<= 10 ~a21~0) (= ~a21~0 9) (and .cse2 .cse3) (and .cse2 .cse4) (and .cse4 .cse0) (and (= 5 ~a15~0) (= ~a24~0 1)) (and .cse3 .cse0))) [2020-10-14 21:44:30,232 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:44:30,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:44:30 BoogieIcfgContainer [2020-10-14 21:44:30,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:44:30,258 INFO L168 Benchmark]: Toolchain (without parser) took 121962.08 ms. Allocated memory was 147.8 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 102.6 MB in the beginning and 749.1 MB in the end (delta: -646.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-14 21:44:30,258 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 21:44:30,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 850.34 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 102.1 MB in the beginning and 169.2 MB in the end (delta: -67.1 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2020-10-14 21:44:30,260 INFO L168 Benchmark]: Boogie Preprocessor took 142.81 ms. Allocated memory is still 206.6 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:44:30,261 INFO L168 Benchmark]: RCFGBuilder took 1707.26 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 164.1 MB in the beginning and 154.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. [2020-10-14 21:44:30,261 INFO L168 Benchmark]: TraceAbstraction took 119255.83 ms. Allocated memory was 237.5 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 154.0 MB in the beginning and 749.1 MB in the end (delta: -595.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-10-14 21:44:30,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 850.34 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 102.1 MB in the beginning and 169.2 MB in the end (delta: -67.1 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.81 ms. Allocated memory is still 206.6 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1707.26 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 164.1 MB in the beginning and 154.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 119255.83 ms. Allocated memory was 237.5 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 154.0 MB in the beginning and 749.1 MB in the end (delta: -595.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((!(7 == \old(a21)) || !(\old(a12) + 49 == 0)) || (!(a15 == 6) && 7 == a21)) || (0 <= a12 + 21 && 7 == a21)) || !(8 == \old(a15))) || 10 <= a21) || a21 == 9) || (0 <= a12 + 21 && 8 <= a21)) || (0 <= a12 + 21 && a21 == 6)) || (a21 == 6 && !(a15 == 6))) || (5 == a15 && a24 == 1)) || (8 <= a21 && !(a15 == 6)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 116.8s, OverallIterations: 16, TraceHistogramMax: 10, AutomataDifference: 29.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 453 SDtfs, 9176 SDslu, 655 SDs, 0 SdLazy, 18372 SolverSat, 1949 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 406 GetRequests, 245 SyntacticMatches, 3 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9626occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 1060 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 385 PreInvPairs, 495 NumberOfFragments, 440 HoareAnnotationTreeSize, 385 FomulaSimplifications, 70637 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5504 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 77.8s InterpolantComputationTime, 9914 NumberOfCodeBlocks, 9914 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 9898 ConstructedInterpolants, 0 QuantifiedInterpolants, 19817287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 23634/25761 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...