/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=BIGGEST --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/Problem10_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 13:04:22,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 13:04:22,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 13:04:22,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 13:04:22,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 13:04:22,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 13:04:22,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 13:04:22,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 13:04:22,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 13:04:22,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 13:04:22,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 13:04:22,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 13:04:22,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 13:04:22,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 13:04:22,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 13:04:22,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 13:04:22,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 13:04:22,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 13:04:22,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 13:04:22,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 13:04:23,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 13:04:23,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 13:04:23,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 13:04:23,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 13:04:23,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 13:04:23,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 13:04:23,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 13:04:23,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 13:04:23,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 13:04:23,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 13:04:23,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 13:04:23,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 13:04:23,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 13:04:23,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 13:04:23,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 13:04:23,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 13:04:23,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 13:04:23,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 13:04:23,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 13:04:23,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 13:04:23,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 13:04:23,017 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 [2020-10-12 13:04:23,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 13:04:23,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 13:04:23,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 13:04:23,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 13:04:23,042 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 13:04:23,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 13:04:23,043 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 13:04:23,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 13:04:23,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 13:04:23,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 13:04:23,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 13:04:23,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 13:04:23,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 13:04:23,044 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 13:04:23,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 13:04:23,045 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 13:04:23,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 13:04:23,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 13:04:23,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 13:04:23,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 13:04:23,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 13:04:23,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 13:04:23,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 13:04:23,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 13:04:23,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 13:04:23,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 13:04:23,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 13:04:23,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 13:04:23,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 13:04:23,048 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 13:04:23,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 13:04:23,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 13:04:23,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 13:04:23,369 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 13:04:23,369 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 13:04:23,370 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label09.c [2020-10-12 13:04:23,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ae4356eb/ebd751271fa24118815c6b5a1ab630d6/FLAGdfa62bde5 [2020-10-12 13:04:24,034 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 13:04:24,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label09.c [2020-10-12 13:04:24,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ae4356eb/ebd751271fa24118815c6b5a1ab630d6/FLAGdfa62bde5 [2020-10-12 13:04:24,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ae4356eb/ebd751271fa24118815c6b5a1ab630d6 [2020-10-12 13:04:24,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 13:04:24,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 13:04:24,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 13:04:24,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 13:04:24,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 13:04:24,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:04:24" (1/1) ... [2020-10-12 13:04:24,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5035f6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:24, skipping insertion in model container [2020-10-12 13:04:24,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 01:04:24" (1/1) ... [2020-10-12 13:04:24,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 13:04:24,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 13:04:24,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:04:24,932 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 13:04:25,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 13:04:25,056 INFO L208 MainTranslator]: Completed translation [2020-10-12 13:04:25,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25 WrapperNode [2020-10-12 13:04:25,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 13:04:25,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 13:04:25,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 13:04:25,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 13:04:25,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25" (1/1) ... [2020-10-12 13:04:25,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25" (1/1) ... [2020-10-12 13:04:25,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25" (1/1) ... [2020-10-12 13:04:25,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25" (1/1) ... [2020-10-12 13:04:25,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25" (1/1) ... [2020-10-12 13:04:25,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25" (1/1) ... [2020-10-12 13:04:25,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25" (1/1) ... [2020-10-12 13:04:25,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 13:04:25,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 13:04:25,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 13:04:25,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 13:04:25,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25" (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 [2020-10-12 13:04:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 13:04:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 13:04:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 13:04:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 13:04:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 13:04:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 13:04:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 13:04:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 13:04:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 13:04:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 13:04:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 13:04:26,500 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 13:04:26,500 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 13:04:26,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:04:26 BoogieIcfgContainer [2020-10-12 13:04:26,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 13:04:26,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 13:04:26,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 13:04:26,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 13:04:26,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 01:04:24" (1/3) ... [2020-10-12 13:04:26,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5888107c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:04:26, skipping insertion in model container [2020-10-12 13:04:26,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 01:04:25" (2/3) ... [2020-10-12 13:04:26,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5888107c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 01:04:26, skipping insertion in model container [2020-10-12 13:04:26,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 01:04:26" (3/3) ... [2020-10-12 13:04:26,517 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label09.c [2020-10-12 13:04:26,528 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 13:04:26,538 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 13:04:26,554 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 13:04:26,583 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 13:04:26,584 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 13:04:26,584 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 13:04:26,584 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 13:04:26,584 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 13:04:26,584 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 13:04:26,585 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 13:04:26,585 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 13:04:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 13:04:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-12 13:04:26,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:26,622 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] [2020-10-12 13:04:26,623 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:26,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:26,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1499972089, now seen corresponding path program 1 times [2020-10-12 13:04:26,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:26,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [565952648] [2020-10-12 13:04:26,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:26,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:27,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:27,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 13:04:27,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-10-12 13:04:27,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:04:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:04:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 13:04:27,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 13:04:27,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:27,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:27,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:27,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:27,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 13:04:27,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:27,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:04:27,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:04:27,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [565952648] [2020-10-12 13:04:27,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 13:04:27,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 13:04:27,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487685554] [2020-10-12 13:04:27,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 13:04:27,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:27,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 13:04:27,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 13:04:27,480 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-12 13:04:29,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:29,042 INFO L93 Difference]: Finished difference Result 581 states and 1006 transitions. [2020-10-12 13:04:29,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:04:29,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2020-10-12 13:04:29,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:29,060 INFO L225 Difference]: With dead ends: 581 [2020-10-12 13:04:29,060 INFO L226 Difference]: Without dead ends: 302 [2020-10-12 13:04:29,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:04:29,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-12 13:04:29,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-10-12 13:04:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-12 13:04:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 395 transitions. [2020-10-12 13:04:29,142 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 395 transitions. Word has length 62 [2020-10-12 13:04:29,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:29,144 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 395 transitions. [2020-10-12 13:04:29,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 13:04:29,144 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 395 transitions. [2020-10-12 13:04:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 13:04:29,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:29,151 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:04:29,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 13:04:29,152 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:29,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:29,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1050930634, now seen corresponding path program 1 times [2020-10-12 13:04:29,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:29,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251855508] [2020-10-12 13:04:29,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:29,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:29,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:29,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:29,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 13:04:29,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:04:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 596 [2020-10-12 13:04:29,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 13:04:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:04:29,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 13:04:29,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:29,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:29,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:29,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:29,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 13:04:29,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:04:29,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:29,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:30,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:30,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:30,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:04:30,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:04:30,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-12 13:04:30,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:04:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 13:04:30,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 13:04:30,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251855508] [2020-10-12 13:04:30,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:04:30,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 13:04:30,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603999923] [2020-10-12 13:04:30,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:04:30,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:30,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:04:30,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:04:30,189 INFO L87 Difference]: Start difference. First operand 298 states and 395 transitions. Second operand 7 states. [2020-10-12 13:04:32,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:32,039 INFO L93 Difference]: Finished difference Result 1188 states and 1635 transitions. [2020-10-12 13:04:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 13:04:32,040 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-10-12 13:04:32,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:32,047 INFO L225 Difference]: With dead ends: 1188 [2020-10-12 13:04:32,048 INFO L226 Difference]: Without dead ends: 896 [2020-10-12 13:04:32,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:04:32,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-10-12 13:04:32,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 739. [2020-10-12 13:04:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-10-12 13:04:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 996 transitions. [2020-10-12 13:04:32,109 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 996 transitions. Word has length 132 [2020-10-12 13:04:32,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:32,110 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 996 transitions. [2020-10-12 13:04:32,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:04:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 996 transitions. [2020-10-12 13:04:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-12 13:04:32,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:32,116 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:04:32,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 13:04:32,117 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:32,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:32,117 INFO L82 PathProgramCache]: Analyzing trace with hash 518112197, now seen corresponding path program 1 times [2020-10-12 13:04:32,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:32,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971676823] [2020-10-12 13:04:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:32,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:32,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:32,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:32,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 13:04:32,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 13:04:32,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-10-12 13:04:32,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 13:04:32,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 13:04:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:32,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:32,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:32,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:32,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:32,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:32,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:04:32,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:04:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:04:32,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:32,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:32,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:32,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:32,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 13:04:32,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:32,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 13:04:32,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:32,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:32,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:32,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 13:04:32,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 13:04:32,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971676823] [2020-10-12 13:04:32,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:04:32,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:04:32,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400053774] [2020-10-12 13:04:32,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:04:32,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:32,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:04:32,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:04:32,815 INFO L87 Difference]: Start difference. First operand 739 states and 996 transitions. Second operand 5 states. [2020-10-12 13:04:33,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:33,775 INFO L93 Difference]: Finished difference Result 1501 states and 2035 transitions. [2020-10-12 13:04:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:04:33,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-12 13:04:33,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:33,781 INFO L225 Difference]: With dead ends: 1501 [2020-10-12 13:04:33,781 INFO L226 Difference]: Without dead ends: 745 [2020-10-12 13:04:33,784 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 [2020-10-12 13:04:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-10-12 13:04:33,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 739. [2020-10-12 13:04:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-10-12 13:04:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 990 transitions. [2020-10-12 13:04:33,816 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 990 transitions. Word has length 141 [2020-10-12 13:04:33,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:33,817 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 990 transitions. [2020-10-12 13:04:33,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:04:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 990 transitions. [2020-10-12 13:04:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-12 13:04:33,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:33,828 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, 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] [2020-10-12 13:04:33,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 13:04:33,829 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:33,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:33,829 INFO L82 PathProgramCache]: Analyzing trace with hash 171695093, now seen corresponding path program 1 times [2020-10-12 13:04:33,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:33,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546856078] [2020-10-12 13:04:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:33,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:34,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:34,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:35,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:35,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-12 13:04:35,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:04:35,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1543 [2020-10-12 13:04:35,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:35,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:04:35,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 13:04:35,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:35,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:35,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:35,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:35,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:35,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:35,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:04:35,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:35,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:04:35,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:35,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:04:35,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:35,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:35,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:35,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:04:35,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:35,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-12 13:04:35,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 13:04:35,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:35,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:04:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:35,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:35,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:35,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 13:04:35,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:35,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-12 13:04:35,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:35,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:04:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 13:04:35,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:04:35,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546856078] [2020-10-12 13:04:35,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:04:35,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:04:35,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204205961] [2020-10-12 13:04:35,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:04:35,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:35,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:04:35,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:04:35,859 INFO L87 Difference]: Start difference. First operand 739 states and 990 transitions. Second operand 7 states. [2020-10-12 13:04:37,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:37,468 INFO L93 Difference]: Finished difference Result 1796 states and 2485 transitions. [2020-10-12 13:04:37,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:04:37,469 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-10-12 13:04:37,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:37,476 INFO L225 Difference]: With dead ends: 1796 [2020-10-12 13:04:37,477 INFO L226 Difference]: Without dead ends: 1063 [2020-10-12 13:04:37,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:04:37,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2020-10-12 13:04:37,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1043. [2020-10-12 13:04:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1043 states. [2020-10-12 13:04:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1340 transitions. [2020-10-12 13:04:37,519 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1340 transitions. Word has length 214 [2020-10-12 13:04:37,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:37,520 INFO L479 AbstractCegarLoop]: Abstraction has 1043 states and 1340 transitions. [2020-10-12 13:04:37,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:04:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1340 transitions. [2020-10-12 13:04:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-12 13:04:37,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:37,526 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, 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] [2020-10-12 13:04:37,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 13:04:37,527 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:37,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:37,527 INFO L82 PathProgramCache]: Analyzing trace with hash 106573972, now seen corresponding path program 1 times [2020-10-12 13:04:37,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:37,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322118689] [2020-10-12 13:04:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:37,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:37,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:37,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:40,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:42,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:42,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 13:04:42,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:04:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4931 [2020-10-12 13:04:42,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 13:04:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 13:04:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 13:04:42,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:42,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:42,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:42,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:42,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:42,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:42,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:04:42,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:42,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:42,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:42,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 13:04:42,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:42,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:42,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:42,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:42,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:04:42,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-12 13:04:42,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:04:42,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 13:04:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:42,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 13:04:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:42,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:42,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:42,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 13:04:42,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:42,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 13:04:42,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:42,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:04:42,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-12 13:04:42,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:04:42,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:42,843 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 110 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 13:04:42,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322118689] [2020-10-12 13:04:42,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:04:42,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:04:42,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439652810] [2020-10-12 13:04:42,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:04:42,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:42,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:04:42,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:04:42,846 INFO L87 Difference]: Start difference. First operand 1043 states and 1340 transitions. Second operand 7 states. [2020-10-12 13:04:44,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:44,152 INFO L93 Difference]: Finished difference Result 2249 states and 2879 transitions. [2020-10-12 13:04:44,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 13:04:44,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-10-12 13:04:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:44,165 INFO L225 Difference]: With dead ends: 2249 [2020-10-12 13:04:44,165 INFO L226 Difference]: Without dead ends: 1212 [2020-10-12 13:04:44,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-12 13:04:44,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2020-10-12 13:04:44,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1196. [2020-10-12 13:04:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2020-10-12 13:04:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1508 transitions. [2020-10-12 13:04:44,236 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1508 transitions. Word has length 221 [2020-10-12 13:04:44,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:44,237 INFO L479 AbstractCegarLoop]: Abstraction has 1196 states and 1508 transitions. [2020-10-12 13:04:44,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:04:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1508 transitions. [2020-10-12 13:04:44,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-12 13:04:44,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:44,243 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, 2, 2, 2, 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] [2020-10-12 13:04:44,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 13:04:44,243 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:44,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:44,244 INFO L82 PathProgramCache]: Analyzing trace with hash -719293400, now seen corresponding path program 1 times [2020-10-12 13:04:44,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:44,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832338182] [2020-10-12 13:04:44,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:44,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:45,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:46,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:46,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-12 13:04:46,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:04:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1691 [2020-10-12 13:04:46,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-12 13:04:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 13:04:46,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:46,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:46,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:46,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:46,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:46,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 13:04:46,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:46,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:04:46,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:04:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:46,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:46,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:46,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:46,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:04:46,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-12 13:04:46,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 13:04:46,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:46,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:04:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:46,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:46,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:46,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 13:04:46,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:46,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-12 13:04:46,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:46,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:04:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 13:04:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:04:46,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832338182] [2020-10-12 13:04:46,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:04:46,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:04:46,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342071925] [2020-10-12 13:04:46,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:04:46,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:46,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:04:46,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:04:46,572 INFO L87 Difference]: Start difference. First operand 1196 states and 1508 transitions. Second operand 7 states. [2020-10-12 13:04:48,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:48,003 INFO L93 Difference]: Finished difference Result 2557 states and 3379 transitions. [2020-10-12 13:04:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 13:04:48,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 259 [2020-10-12 13:04:48,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:48,018 INFO L225 Difference]: With dead ends: 2557 [2020-10-12 13:04:48,018 INFO L226 Difference]: Without dead ends: 1510 [2020-10-12 13:04:48,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-12 13:04:48,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2020-10-12 13:04:48,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1496. [2020-10-12 13:04:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2020-10-12 13:04:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1877 transitions. [2020-10-12 13:04:48,077 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1877 transitions. Word has length 259 [2020-10-12 13:04:48,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:48,078 INFO L479 AbstractCegarLoop]: Abstraction has 1496 states and 1877 transitions. [2020-10-12 13:04:48,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:04:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1877 transitions. [2020-10-12 13:04:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-12 13:04:48,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:48,085 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 13:04:48,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 13:04:48,086 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:48,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:48,086 INFO L82 PathProgramCache]: Analyzing trace with hash -809039652, now seen corresponding path program 1 times [2020-10-12 13:04:48,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:48,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770051887] [2020-10-12 13:04:48,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:48,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:48,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:48,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:50,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:50,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-12 13:04:50,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:04:50,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2588 [2020-10-12 13:04:50,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-12 13:04:50,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-12 13:04:50,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:50,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:50,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:50,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:50,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:50,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:50,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:04:50,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:04:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:50,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:04:50,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 13:04:50,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:50,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:50,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:50,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:04:50,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-12 13:04:50,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 13:04:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:51,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:04:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:51,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:51,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:51,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-12 13:04:51,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:51,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-12 13:04:51,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:51,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:51,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 13:04:51,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 13:04:51,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 222 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 13:04:51,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770051887] [2020-10-12 13:04:51,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:04:51,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 13:04:51,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649973652] [2020-10-12 13:04:51,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 13:04:51,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:51,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 13:04:51,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 13:04:51,554 INFO L87 Difference]: Start difference. First operand 1496 states and 1877 transitions. Second operand 7 states. [2020-10-12 13:04:53,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:53,525 INFO L93 Difference]: Finished difference Result 3743 states and 4845 transitions. [2020-10-12 13:04:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 13:04:53,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 313 [2020-10-12 13:04:53,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:53,549 INFO L225 Difference]: With dead ends: 3743 [2020-10-12 13:04:53,549 INFO L226 Difference]: Without dead ends: 2396 [2020-10-12 13:04:53,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-12 13:04:53,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2020-10-12 13:04:53,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2245. [2020-10-12 13:04:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2245 states. [2020-10-12 13:04:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2727 transitions. [2020-10-12 13:04:53,629 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2727 transitions. Word has length 313 [2020-10-12 13:04:53,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:53,630 INFO L479 AbstractCegarLoop]: Abstraction has 2245 states and 2727 transitions. [2020-10-12 13:04:53,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 13:04:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2727 transitions. [2020-10-12 13:04:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-10-12 13:04:53,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:53,639 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:04:53,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 13:04:53,639 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:53,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:53,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1158837151, now seen corresponding path program 1 times [2020-10-12 13:04:53,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:53,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293503894] [2020-10-12 13:04:53,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:53,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:53,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:54,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:54,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:55,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:55,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-12 13:04:55,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:04:55,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1923 [2020-10-12 13:04:55,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:55,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 269 [2020-10-12 13:04:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 13:04:55,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:55,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:04:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:55,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:55,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:55,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:04:55,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:55,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 13:04:55,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:04:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:04:55,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:55,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:04:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:55,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:55,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:55,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 13:04:55,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:55,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 13:04:55,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:04:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:55,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:04:55,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:04:55,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 13:04:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:55,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:55,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:55,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 13:04:55,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:55,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 13:04:55,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:55,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:04:55,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:55,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:04:55,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:55,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 13:04:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:55,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:55,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:55,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 13:04:55,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:04:55,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 13:04:55,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:04:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:04:55,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 13:04:55,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:04:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-10-12 13:04:56,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293503894] [2020-10-12 13:04:56,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:04:56,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:04:56,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827948798] [2020-10-12 13:04:56,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:04:56,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:04:56,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:04:56,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:04:56,096 INFO L87 Difference]: Start difference. First operand 2245 states and 2727 transitions. Second operand 5 states. [2020-10-12 13:04:57,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:04:57,630 INFO L93 Difference]: Finished difference Result 4778 states and 5897 transitions. [2020-10-12 13:04:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:04:57,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 317 [2020-10-12 13:04:57,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:04:57,641 INFO L225 Difference]: With dead ends: 4778 [2020-10-12 13:04:57,641 INFO L226 Difference]: Without dead ends: 1951 [2020-10-12 13:04:57,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:04:57,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2020-10-12 13:04:57,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1947. [2020-10-12 13:04:57,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1947 states. [2020-10-12 13:04:57,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2307 transitions. [2020-10-12 13:04:57,702 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2307 transitions. Word has length 317 [2020-10-12 13:04:57,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:04:57,703 INFO L479 AbstractCegarLoop]: Abstraction has 1947 states and 2307 transitions. [2020-10-12 13:04:57,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:04:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2307 transitions. [2020-10-12 13:04:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-12 13:04:57,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:04:57,714 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:04:57,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 13:04:57,714 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:04:57,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:04:57,715 INFO L82 PathProgramCache]: Analyzing trace with hash -875929090, now seen corresponding path program 1 times [2020-10-12 13:04:57,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:04:57,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720475520] [2020-10-12 13:04:57,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:04:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:04:57,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:57,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:58,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:04:59,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:04:59,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-12 13:04:59,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 13:04:59,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2206 [2020-10-12 13:04:59,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:04:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:04:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 304 [2020-10-12 13:04:59,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 13:04:59,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:00,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:00,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:00,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:00,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:00,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:00,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 13:05:00,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:00,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:00,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:00,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:00,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:00,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:00,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:00,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:05:00,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:00,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 13:05:00,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:00,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:00,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:00,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:05:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:00,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:00,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:00,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:05:00,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 13:05:00,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:00,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:00,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 13:05:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:00,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:00,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:00,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 13:05:00,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 13:05:00,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:00,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 13:05:00,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-10-12 13:05:00,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720475520] [2020-10-12 13:05:00,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:00,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:05:00,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19821243] [2020-10-12 13:05:00,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:05:00,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:00,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:05:00,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:05:00,642 INFO L87 Difference]: Start difference. First operand 1947 states and 2307 transitions. Second operand 5 states. [2020-10-12 13:05:02,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:02,218 INFO L93 Difference]: Finished difference Result 3890 states and 4666 transitions. [2020-10-12 13:05:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:05:02,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 352 [2020-10-12 13:05:02,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:02,232 INFO L225 Difference]: With dead ends: 3890 [2020-10-12 13:05:02,233 INFO L226 Difference]: Without dead ends: 1800 [2020-10-12 13:05:02,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:05:02,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2020-10-12 13:05:02,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1796. [2020-10-12 13:05:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1796 states. [2020-10-12 13:05:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2127 transitions. [2020-10-12 13:05:02,343 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2127 transitions. Word has length 352 [2020-10-12 13:05:02,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:02,344 INFO L479 AbstractCegarLoop]: Abstraction has 1796 states and 2127 transitions. [2020-10-12 13:05:02,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:05:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2127 transitions. [2020-10-12 13:05:02,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-10-12 13:05:02,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 13:05:02,366 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 13:05:02,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 13:05:02,367 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 13:05:02,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 13:05:02,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1908187977, now seen corresponding path program 1 times [2020-10-12 13:05:02,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 13:05:02,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034316006] [2020-10-12 13:05:02,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 13:05:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:02,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:02,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:03,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:07,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:07,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 387 [2020-10-12 13:05:07,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 13:05:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5057 [2020-10-12 13:05:07,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 13:05:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-12 13:05:07,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 13:05:07,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:07,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 13:05:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:07,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:07,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:07,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 13:05:07,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:07,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 13:05:07,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:07,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:07,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:07,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 13:05:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:07,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:07,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:07,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 13:05:07,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:07,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 13:05:07,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:07,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:07,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:07,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 13:05:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:07,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:07,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:07,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 13:05:07,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:07,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 13:05:07,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 13:05:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 13:05:07,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 13:05:07,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 13:05:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 13:05:08,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 13:05:08,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 13:05:08,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 13:05:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 13:05:08,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 13:05:08,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 13:05:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 13:05:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 13:05:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 13:05:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 13:05:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 168 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-12 13:05:08,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034316006] [2020-10-12 13:05:08,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 13:05:08,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 13:05:08,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217454121] [2020-10-12 13:05:08,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 13:05:08,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 13:05:08,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 13:05:08,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 13:05:08,242 INFO L87 Difference]: Start difference. First operand 1796 states and 2127 transitions. Second operand 5 states. [2020-10-12 13:05:09,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 13:05:09,347 INFO L93 Difference]: Finished difference Result 3445 states and 4106 transitions. [2020-10-12 13:05:09,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 13:05:09,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 373 [2020-10-12 13:05:09,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 13:05:09,349 INFO L225 Difference]: With dead ends: 3445 [2020-10-12 13:05:09,349 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 13:05:09,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 13:05:09,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 13:05:09,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 13:05:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 13:05:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 13:05:09,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2020-10-12 13:05:09,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 13:05:09,357 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 13:05:09,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 13:05:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 13:05:09,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 13:05:09,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 13:05:09,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 13:05:09,948 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 31 [2020-10-12 13:05:10,098 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:05:10,098 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-12 13:05:10,098 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:05:10,098 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-12 13:05:10,099 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,099 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,100 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,101 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,101 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,101 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,101 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-12 13:05:10,101 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-12 13:05:10,101 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-12 13:05:10,102 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-12 13:05:10,102 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-12 13:05:10,102 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-12 13:05:10,102 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-12 13:05:10,102 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-12 13:05:10,102 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-12 13:05:10,102 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-12 13:05:10,103 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-12 13:05:10,103 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,103 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,103 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,103 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,104 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,104 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-12 13:05:10,104 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-12 13:05:10,104 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-12 13:05:10,104 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-12 13:05:10,104 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-12 13:05:10,104 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-12 13:05:10,104 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-12 13:05:10,105 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-12 13:05:10,105 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-12 13:05:10,105 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-12 13:05:10,105 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-12 13:05:10,105 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-12 13:05:10,105 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-12 13:05:10,105 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2020-10-12 13:05:10,106 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-12 13:05:10,106 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,106 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,106 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,106 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,106 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,106 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-12 13:05:10,107 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-12 13:05:10,107 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-12 13:05:10,107 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-12 13:05:10,107 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-12 13:05:10,107 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-12 13:05:10,107 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-12 13:05:10,107 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-12 13:05:10,108 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-12 13:05:10,108 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-12 13:05:10,108 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,108 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,108 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,108 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,108 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,109 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-12 13:05:10,109 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-12 13:05:10,109 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-12 13:05:10,109 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-12 13:05:10,109 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-12 13:05:10,109 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-12 13:05:10,109 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-12 13:05:10,109 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-12 13:05:10,110 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-12 13:05:10,110 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-12 13:05:10,110 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-12 13:05:10,110 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-12 13:05:10,110 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-12 13:05:10,110 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,110 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,111 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,111 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,111 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,111 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-12 13:05:10,111 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-12 13:05:10,111 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-12 13:05:10,111 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-12 13:05:10,112 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-12 13:05:10,112 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-12 13:05:10,112 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-12 13:05:10,112 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-12 13:05:10,112 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-12 13:05:10,112 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,112 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,112 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,113 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,113 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,113 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,113 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,113 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-12 13:05:10,113 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-12 13:05:10,113 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-12 13:05:10,114 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-12 13:05:10,114 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-12 13:05:10,114 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-12 13:05:10,114 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-12 13:05:10,114 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-12 13:05:10,114 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-12 13:05:10,114 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-12 13:05:10,115 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-12 13:05:10,115 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-12 13:05:10,115 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-12 13:05:10,115 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,115 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,115 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,115 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,116 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-12 13:05:10,116 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,116 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,116 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-12 13:05:10,116 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-12 13:05:10,116 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-12 13:05:10,116 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-12 13:05:10,117 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-12 13:05:10,117 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-12 13:05:10,117 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-12 13:05:10,117 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-12 13:05:10,117 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-12 13:05:10,117 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-12 13:05:10,117 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-12 13:05:10,117 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-12 13:05:10,118 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-12 13:05:10,118 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,118 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,118 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,118 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,118 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,118 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,118 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-12 13:05:10,118 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-12 13:05:10,119 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-12 13:05:10,119 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-12 13:05:10,119 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-12 13:05:10,119 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-12 13:05:10,119 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-12 13:05:10,119 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-12 13:05:10,119 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-12 13:05:10,120 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-12 13:05:10,120 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-12 13:05:10,120 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 7 |old(~a19~0)|))) (or .cse0 (not (= 8 |old(~a19~0)|))) (or .cse0 (not (<= |old(~a10~0)| 1))) (or .cse0 (not (= 9 |old(~a19~0)|))) (or .cse0 (not (<= 3 |old(~a10~0)|))))) [2020-10-12 13:05:10,120 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-12 13:05:10,120 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-12 13:05:10,120 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-12 13:05:10,121 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,121 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,121 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,121 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,121 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,121 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,121 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-12 13:05:10,121 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-12 13:05:10,122 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-12 13:05:10,122 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-12 13:05:10,122 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-12 13:05:10,122 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-12 13:05:10,122 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-12 13:05:10,122 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-12 13:05:10,122 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-12 13:05:10,122 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-12 13:05:10,123 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-12 13:05:10,123 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-12 13:05:10,123 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-12 13:05:10,123 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,123 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,123 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,123 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,123 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,124 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,124 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-12 13:05:10,124 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-12 13:05:10,124 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-12 13:05:10,124 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-12 13:05:10,124 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-12 13:05:10,124 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-12 13:05:10,124 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-12 13:05:10,124 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-12 13:05:10,125 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-12 13:05:10,125 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-12 13:05:10,125 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-12 13:05:10,125 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-12 13:05:10,125 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,125 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,125 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,125 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,125 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-12 13:05:10,126 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-12 13:05:10,127 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-12 13:05:10,127 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-12 13:05:10,127 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-12 13:05:10,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 13:05:10,127 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (= 23 ~a1~0)) [2020-10-12 13:05:10,127 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 13:05:10,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 13:05:10,128 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|)) (and (= 23 ~a1~0) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-12 13:05:10,128 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:05:10,128 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (= ~a19~0 8) (<= 3 ~a10~0) (= 7 ~a19~0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 1) (not (= 23 |old(~a1~0)|))) [2020-10-12 13:05:10,128 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-12 13:05:10,128 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-12 13:05:10,128 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (= ~a19~0 8) (<= 3 ~a10~0) (= 7 ~a19~0) (not (= 9 |old(~a19~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (<= ~a10~0 1) (not (= 23 |old(~a1~0)|))) [2020-10-12 13:05:10,128 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-12 13:05:10,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 01:05:10 BoogieIcfgContainer [2020-10-12 13:05:10,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 13:05:10,152 INFO L168 Benchmark]: Toolchain (without parser) took 45842.81 ms. Allocated memory was 137.9 MB in the beginning and 909.1 MB in the end (delta: 771.2 MB). Free memory was 99.1 MB in the beginning and 340.8 MB in the end (delta: -241.7 MB). Peak memory consumption was 529.5 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:10,153 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 13:05:10,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.20 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 168.3 MB in the end (delta: -69.4 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:10,155 INFO L168 Benchmark]: Boogie Preprocessor took 129.40 ms. Allocated memory is still 202.4 MB. Free memory was 168.3 MB in the beginning and 163.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:10,155 INFO L168 Benchmark]: RCFGBuilder took 1321.17 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 163.3 MB in the beginning and 179.2 MB in the end (delta: -15.9 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:10,156 INFO L168 Benchmark]: TraceAbstraction took 43640.64 ms. Allocated memory was 232.3 MB in the beginning and 909.1 MB in the end (delta: 676.9 MB). Free memory was 179.2 MB in the beginning and 340.8 MB in the end (delta: -161.6 MB). Peak memory consumption was 515.3 MB. Max. memory is 7.1 GB. [2020-10-12 13:05:10,160 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.20 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 168.3 MB in the end (delta: -69.4 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.40 ms. Allocated memory is still 202.4 MB. Free memory was 168.3 MB in the beginning and 163.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1321.17 ms. Allocated memory was 202.4 MB in the beginning and 232.3 MB in the end (delta: 29.9 MB). Free memory was 163.3 MB in the beginning and 179.2 MB in the end (delta: -15.9 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43640.64 ms. Allocated memory was 232.3 MB in the beginning and 909.1 MB in the end (delta: 676.9 MB). Free memory was 179.2 MB in the beginning and 340.8 MB in the end (delta: -161.6 MB). Peak memory consumption was 515.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: 582]: Loop Invariant Derived loop invariant: ((((((a19 == 8 || 3 <= a10) || 7 == a19) || !(9 == \old(a19))) || a19 == 9) || !(0 == \old(a10))) || a10 <= 1) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.7s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 273 SDtfs, 3461 SDslu, 327 SDs, 0 SdLazy, 8392 SolverSat, 976 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2245occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 376 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 99 PreInvPairs, 139 NumberOfFragments, 197 HoareAnnotationTreeSize, 99 FomulaSimplifications, 11848 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1227 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 25.1s InterpolantComputationTime, 2384 NumberOfCodeBlocks, 2384 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2374 ConstructedInterpolants, 0 QuantifiedInterpolants, 1196158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 1983/2123 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...