/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 19:04:00,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 19:04:00,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 19:04:00,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 19:04:00,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 19:04:00,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 19:04:00,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 19:04:00,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 19:04:00,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 19:04:00,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 19:04:00,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 19:04:00,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 19:04:00,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 19:04:00,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 19:04:00,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 19:04:00,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 19:04:00,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 19:04:00,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 19:04:00,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 19:04:00,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 19:04:00,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 19:04:00,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 19:04:00,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 19:04:00,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 19:04:01,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 19:04:01,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 19:04:01,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 19:04:01,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 19:04:01,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 19:04:01,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 19:04:01,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 19:04:01,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 19:04:01,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 19:04:01,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 19:04:01,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 19:04:01,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 19:04:01,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 19:04:01,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 19:04:01,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 19:04:01,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 19:04:01,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 19:04:01,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 19:04:01,062 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 19:04:01,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 19:04:01,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 19:04:01,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 19:04:01,064 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 19:04:01,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 19:04:01,065 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 19:04:01,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 19:04:01,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 19:04:01,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 19:04:01,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 19:04:01,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 19:04:01,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 19:04:01,069 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 19:04:01,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 19:04:01,069 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 19:04:01,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 19:04:01,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 19:04:01,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 19:04:01,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 19:04:01,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 19:04:01,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:04:01,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 19:04:01,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 19:04:01,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 19:04:01,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 19:04:01,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 19:04:01,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 19:04:01,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 19:04:01,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 19:04:01,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 19:04:01,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 19:04:01,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 19:04:01,424 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 19:04:01,425 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 19:04:01,425 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label24.c [2020-10-14 19:04:01,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/014d0fd1a/c5bd7f8828564a9db4ae3b5a9f06d32c/FLAGe0e8993f7 [2020-10-14 19:04:02,027 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 19:04:02,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label24.c [2020-10-14 19:04:02,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/014d0fd1a/c5bd7f8828564a9db4ae3b5a9f06d32c/FLAGe0e8993f7 [2020-10-14 19:04:02,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/014d0fd1a/c5bd7f8828564a9db4ae3b5a9f06d32c [2020-10-14 19:04:02,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 19:04:02,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 19:04:02,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 19:04:02,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 19:04:02,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 19:04:02,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:04:02" (1/1) ... [2020-10-14 19:04:02,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263e4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:02, skipping insertion in model container [2020-10-14 19:04:02,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:04:02" (1/1) ... [2020-10-14 19:04:02,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 19:04:02,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 19:04:02,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:04:02,989 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 19:04:03,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 19:04:03,159 INFO L208 MainTranslator]: Completed translation [2020-10-14 19:04:03,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03 WrapperNode [2020-10-14 19:04:03,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 19:04:03,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 19:04:03,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 19:04:03,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 19:04:03,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03" (1/1) ... [2020-10-14 19:04:03,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03" (1/1) ... [2020-10-14 19:04:03,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03" (1/1) ... [2020-10-14 19:04:03,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03" (1/1) ... [2020-10-14 19:04:03,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03" (1/1) ... [2020-10-14 19:04:03,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03" (1/1) ... [2020-10-14 19:04:03,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03" (1/1) ... [2020-10-14 19:04:03,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 19:04:03,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 19:04:03,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 19:04:03,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 19:04:03,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 19:04:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 19:04:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 19:04:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 19:04:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 19:04:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 19:04:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 19:04:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 19:04:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 19:04:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 19:04:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 19:04:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 19:04:04,502 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 19:04:04,503 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 19:04:04,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:04:04 BoogieIcfgContainer [2020-10-14 19:04:04,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 19:04:04,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 19:04:04,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 19:04:04,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 19:04:04,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:04:02" (1/3) ... [2020-10-14 19:04:04,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79892c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:04:04, skipping insertion in model container [2020-10-14 19:04:04,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:03" (2/3) ... [2020-10-14 19:04:04,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79892c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:04:04, skipping insertion in model container [2020-10-14 19:04:04,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:04:04" (3/3) ... [2020-10-14 19:04:04,520 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label24.c [2020-10-14 19:04:04,533 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 19:04:04,542 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 19:04:04,561 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 19:04:04,595 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 19:04:04,596 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 19:04:04,596 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 19:04:04,596 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 19:04:04,596 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 19:04:04,597 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 19:04:04,597 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 19:04:04,597 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 19:04:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-14 19:04:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-14 19:04:04,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:04,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:04,648 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:04,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:04,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1228369970, now seen corresponding path program 1 times [2020-10-14 19:04:04,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:04,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066983404] [2020-10-14 19:04:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:05,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:05,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:06,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:06,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 19:04:06,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1630 [2020-10-14 19:04:06,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:06,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:04:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 19:04:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 19:04:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 19:04:06,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:06,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:06,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:06,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:06,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:06,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 19:04:06,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:06,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 19:04:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:04:06,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066983404] [2020-10-14 19:04:06,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 19:04:06,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 19:04:06,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820959108] [2020-10-14 19:04:06,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:04:06,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:07,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:04:07,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:04:07,003 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-10-14 19:04:09,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:09,123 INFO L93 Difference]: Finished difference Result 735 states and 1268 transitions. [2020-10-14 19:04:09,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 19:04:09,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-14 19:04:09,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:09,148 INFO L225 Difference]: With dead ends: 735 [2020-10-14 19:04:09,149 INFO L226 Difference]: Without dead ends: 423 [2020-10-14 19:04:09,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:04:09,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-10-14 19:04:09,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 419. [2020-10-14 19:04:09,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-14 19:04:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 593 transitions. [2020-10-14 19:04:09,249 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 593 transitions. Word has length 104 [2020-10-14 19:04:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:09,250 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 593 transitions. [2020-10-14 19:04:09,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:04:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 593 transitions. [2020-10-14 19:04:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 19:04:09,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:09,256 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:09,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 19:04:09,256 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:09,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:09,257 INFO L82 PathProgramCache]: Analyzing trace with hash -514916763, now seen corresponding path program 1 times [2020-10-14 19:04:09,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:09,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827034803] [2020-10-14 19:04:09,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:09,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:09,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:09,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:10,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:10,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 19:04:10,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:04:10,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 932 [2020-10-14 19:04:10,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:10,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 19:04:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 19:04:10,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:10,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:10,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:10,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:10,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:10,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:04:10,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:10,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:10,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:10,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:10,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:10,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 19:04:10,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 19:04:10,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:10,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:10,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 19:04:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:04:10,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827034803] [2020-10-14 19:04:10,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:10,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:04:10,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800389723] [2020-10-14 19:04:10,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:04:10,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:10,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:04:10,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:04:10,548 INFO L87 Difference]: Start difference. First operand 419 states and 593 transitions. Second operand 5 states. [2020-10-14 19:04:11,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:11,720 INFO L93 Difference]: Finished difference Result 935 states and 1360 transitions. [2020-10-14 19:04:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:04:11,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2020-10-14 19:04:11,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:11,725 INFO L225 Difference]: With dead ends: 935 [2020-10-14 19:04:11,725 INFO L226 Difference]: Without dead ends: 423 [2020-10-14 19:04:11,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:04:11,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-10-14 19:04:11,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 419. [2020-10-14 19:04:11,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-14 19:04:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 533 transitions. [2020-10-14 19:04:11,758 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 533 transitions. Word has length 114 [2020-10-14 19:04:11,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:11,758 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 533 transitions. [2020-10-14 19:04:11,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:04:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 533 transitions. [2020-10-14 19:04:11,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-14 19:04:11,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:11,761 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:11,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 19:04:11,762 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:11,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:11,762 INFO L82 PathProgramCache]: Analyzing trace with hash -2018478817, now seen corresponding path program 1 times [2020-10-14 19:04:11,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:11,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1104620723] [2020-10-14 19:04:11,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:11,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:11,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:14,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:14,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 19:04:14,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:04:14,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2850 [2020-10-14 19:04:14,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:14,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:14,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:14,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 19:04:14,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 19:04:14,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:14,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:14,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:14,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:14,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:14,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:14,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:04:14,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:14,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:14,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:14,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:14,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:14,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:14,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:14,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:14,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:14,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 19:04:14,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:14,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:14,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 19:04:14,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:04:14,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1104620723] [2020-10-14 19:04:14,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:14,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:04:14,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031457345] [2020-10-14 19:04:14,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:04:14,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:14,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:04:14,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:04:14,808 INFO L87 Difference]: Start difference. First operand 419 states and 533 transitions. Second operand 5 states. [2020-10-14 19:04:15,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:15,836 INFO L93 Difference]: Finished difference Result 1110 states and 1440 transitions. [2020-10-14 19:04:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:04:15,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-14 19:04:15,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:15,844 INFO L225 Difference]: With dead ends: 1110 [2020-10-14 19:04:15,845 INFO L226 Difference]: Without dead ends: 697 [2020-10-14 19:04:15,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:04:15,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-10-14 19:04:15,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 693. [2020-10-14 19:04:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-14 19:04:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 854 transitions. [2020-10-14 19:04:15,901 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 854 transitions. Word has length 119 [2020-10-14 19:04:15,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:15,902 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 854 transitions. [2020-10-14 19:04:15,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:04:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 854 transitions. [2020-10-14 19:04:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-14 19:04:15,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:15,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:15,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 19:04:15,907 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:15,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:15,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1230209227, now seen corresponding path program 1 times [2020-10-14 19:04:15,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:15,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116110925] [2020-10-14 19:04:15,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:15,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:16,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:16,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:17,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:17,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 19:04:17,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 19:04:17,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1218 [2020-10-14 19:04:17,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:17,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-14 19:04:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 19:04:17,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:17,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:17,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:17,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:17,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:17,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:17,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:04:17,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:17,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:17,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:17,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:17,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:17,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:17,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:17,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 19:04:17,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 19:04:17,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:17,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:17,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:17,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:17,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 19:04:17,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 19:04:17,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116110925] [2020-10-14 19:04:17,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:17,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 19:04:17,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738847150] [2020-10-14 19:04:17,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 19:04:17,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:17,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 19:04:17,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 19:04:17,399 INFO L87 Difference]: Start difference. First operand 693 states and 854 transitions. Second operand 5 states. [2020-10-14 19:04:18,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:18,405 INFO L93 Difference]: Finished difference Result 1795 states and 2254 transitions. [2020-10-14 19:04:18,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 19:04:18,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-10-14 19:04:18,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:18,410 INFO L225 Difference]: With dead ends: 1795 [2020-10-14 19:04:18,410 INFO L226 Difference]: Without dead ends: 697 [2020-10-14 19:04:18,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 19:04:18,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-10-14 19:04:18,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 693. [2020-10-14 19:04:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-10-14 19:04:18,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 824 transitions. [2020-10-14 19:04:18,437 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 824 transitions. Word has length 138 [2020-10-14 19:04:18,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:18,438 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 824 transitions. [2020-10-14 19:04:18,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 19:04:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 824 transitions. [2020-10-14 19:04:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-14 19:04:18,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:18,441 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:18,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 19:04:18,441 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:18,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:18,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1890268009, now seen corresponding path program 1 times [2020-10-14 19:04:18,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:18,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678094612] [2020-10-14 19:04:18,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:18,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:18,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:19,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:23,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:23,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-14 19:04:23,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:04:23,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 19:04:23,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:23,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 19:04:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-14 19:04:23,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 19:04:23,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:24,112 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2020-10-14 19:04:24,262 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2020-10-14 19:04:24,480 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 43 [2020-10-14 19:04:24,710 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2020-10-14 19:04:24,936 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 40 [2020-10-14 19:04:25,155 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2020-10-14 19:04:25,368 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 36 [2020-10-14 19:04:25,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:25,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:25,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:25,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:25,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:25,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:04:25,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:25,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:25,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:25,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:25,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:25,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:25,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:25,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:25,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:25,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:25,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:04:25,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:25,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:25,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:25,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:25,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:25,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 19:04:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:25,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:25,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:25,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 19:04:25,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:25,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 19:04:25,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:25,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:25,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:25,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:25,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 19:04:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:25,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:25,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:25,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 19:04:25,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 19:04:25,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:25,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:25,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 19:04:25,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 19:04:25,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678094612] [2020-10-14 19:04:25,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:25,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 19:04:25,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263846908] [2020-10-14 19:04:25,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 19:04:25,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:25,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 19:04:25,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-14 19:04:25,738 INFO L87 Difference]: Start difference. First operand 693 states and 824 transitions. Second operand 13 states. [2020-10-14 19:04:26,209 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-14 19:04:26,519 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2020-10-14 19:04:26,789 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-10-14 19:04:27,028 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2020-10-14 19:04:27,472 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2020-10-14 19:04:27,893 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2020-10-14 19:04:28,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:28,179 INFO L93 Difference]: Finished difference Result 1530 states and 1866 transitions. [2020-10-14 19:04:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 19:04:28,179 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 157 [2020-10-14 19:04:28,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:28,184 INFO L225 Difference]: With dead ends: 1530 [2020-10-14 19:04:28,184 INFO L226 Difference]: Without dead ends: 803 [2020-10-14 19:04:28,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2020-10-14 19:04:28,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2020-10-14 19:04:28,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 748. [2020-10-14 19:04:28,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-14 19:04:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 885 transitions. [2020-10-14 19:04:28,211 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 885 transitions. Word has length 157 [2020-10-14 19:04:28,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:28,212 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 885 transitions. [2020-10-14 19:04:28,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 19:04:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 885 transitions. [2020-10-14 19:04:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 19:04:28,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:28,216 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:28,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 19:04:28,217 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:28,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:28,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1838046843, now seen corresponding path program 1 times [2020-10-14 19:04:28,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:28,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49287067] [2020-10-14 19:04:28,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:28,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:28,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:28,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:28,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 19:04:33,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 19:04:33,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 19:04:33,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 19:04:33,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 19:04:33,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 19:04:33,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:33,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:33,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:04:33,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:33,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:33,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 19:04:33,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 19:04:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:33,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 19:04:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 19:04:33,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 19:04:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 19:04:33,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 19:04:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:33,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 19:04:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:33,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:33,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:33,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 19:04:33,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:33,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 19:04:33,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:33,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 19:04:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 19:04:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 19:04:33,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-14 19:04:33,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49287067] [2020-10-14 19:04:33,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:33,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 19:04:33,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735148121] [2020-10-14 19:04:33,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 19:04:33,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:33,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 19:04:33,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 19:04:33,559 INFO L87 Difference]: Start difference. First operand 748 states and 885 transitions. Second operand 7 states. [2020-10-14 19:04:34,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:34,630 INFO L93 Difference]: Finished difference Result 2072 states and 2508 transitions. [2020-10-14 19:04:34,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 19:04:34,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-10-14 19:04:34,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:34,638 INFO L225 Difference]: With dead ends: 2072 [2020-10-14 19:04:34,638 INFO L226 Difference]: Without dead ends: 1330 [2020-10-14 19:04:34,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 19:04:34,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2020-10-14 19:04:34,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1310. [2020-10-14 19:04:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2020-10-14 19:04:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1536 transitions. [2020-10-14 19:04:34,695 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1536 transitions. Word has length 162 [2020-10-14 19:04:34,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:34,695 INFO L479 AbstractCegarLoop]: Abstraction has 1310 states and 1536 transitions. [2020-10-14 19:04:34,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 19:04:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1536 transitions. [2020-10-14 19:04:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-14 19:04:34,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 19:04:34,703 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 19:04:34,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 19:04:34,703 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 19:04:34,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 19:04:34,704 INFO L82 PathProgramCache]: Analyzing trace with hash 202638042, now seen corresponding path program 1 times [2020-10-14 19:04:34,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 19:04:34,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702961252] [2020-10-14 19:04:34,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 19:04:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:34,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:34,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:34,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:37,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:39,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:39,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-14 19:04:39,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 19:04:39,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 19:04:39,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:39,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 19:04:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-14 19:04:39,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 19:04:39,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:40,285 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 42 [2020-10-14 19:04:40,448 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 41 [2020-10-14 19:04:40,590 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 39 [2020-10-14 19:04:40,738 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 37 [2020-10-14 19:04:40,884 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 35 [2020-10-14 19:04:40,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 19:04:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:40,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:40,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 19:04:40,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 19:04:40,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:40,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:40,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 19:04:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:40,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:40,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:40,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 19:04:40,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:40,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 19:04:40,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:40,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 19:04:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:40,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:40,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:40,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 19:04:40,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 19:04:40,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:40,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:40,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:40,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 19:04:40,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 19:04:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:40,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:41,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:41,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 19:04:41,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 19:04:41,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:41,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 19:04:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 19:04:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:41,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 19:04:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 19:04:41,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 19:04:41,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 19:04:41,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 19:04:41,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 19:04:41,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 19:04:41,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 19:04:41,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 19:04:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 19:04:41,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 19:04:41,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 19:04:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 19:04:41,282 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-14 19:04:41,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702961252] [2020-10-14 19:04:41,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 19:04:41,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 19:04:41,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45125245] [2020-10-14 19:04:41,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 19:04:41,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 19:04:41,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 19:04:41,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-14 19:04:41,285 INFO L87 Difference]: Start difference. First operand 1310 states and 1536 transitions. Second operand 13 states. [2020-10-14 19:04:42,333 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-14 19:04:42,719 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2020-10-14 19:04:42,900 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-14 19:04:43,135 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2020-10-14 19:04:43,470 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2020-10-14 19:04:43,712 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2020-10-14 19:04:44,078 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2020-10-14 19:04:44,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 19:04:44,163 INFO L93 Difference]: Finished difference Result 2456 states and 2899 transitions. [2020-10-14 19:04:44,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 19:04:44,164 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 186 [2020-10-14 19:04:44,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 19:04:44,165 INFO L225 Difference]: With dead ends: 2456 [2020-10-14 19:04:44,165 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 19:04:44,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2020-10-14 19:04:44,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 19:04:44,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 19:04:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 19:04:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 19:04:44,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2020-10-14 19:04:44,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 19:04:44,172 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 19:04:44,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 19:04:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 19:04:44,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 19:04:44,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 19:04:44,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 19:04:44,471 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 59 [2020-10-14 19:04:44,585 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 48 [2020-10-14 19:04:45,610 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 114 [2020-10-14 19:04:45,857 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2020-10-14 19:04:45,988 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2020-10-14 19:04:45,993 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:04:45,993 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-14 19:04:45,993 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:04:45,994 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-14 19:04:45,994 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-14 19:04:45,994 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,994 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,994 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,994 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,994 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,994 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,995 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-14 19:04:45,995 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-14 19:04:45,995 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-14 19:04:45,995 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-14 19:04:45,995 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-14 19:04:45,995 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-14 19:04:45,995 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-14 19:04:45,996 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-14 19:04:45,996 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-14 19:04:45,996 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-14 19:04:45,996 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,996 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,996 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,996 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,996 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,996 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,997 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-14 19:04:45,997 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-14 19:04:45,997 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-14 19:04:45,997 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-14 19:04:45,997 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-14 19:04:45,997 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-14 19:04:45,997 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-14 19:04:45,997 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-14 19:04:45,997 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-14 19:04:45,998 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-14 19:04:45,998 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-14 19:04:45,998 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2020-10-14 19:04:45,998 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-14 19:04:45,998 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-14 19:04:45,998 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-14 19:04:45,998 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-14 19:04:45,998 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,999 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,999 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,999 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,999 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:45,999 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-14 19:04:45,999 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-14 19:04:45,999 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-14 19:04:45,999 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-14 19:04:46,000 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-14 19:04:46,000 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-14 19:04:46,000 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-14 19:04:46,000 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-14 19:04:46,000 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-14 19:04:46,000 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,000 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,000 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,000 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,001 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,001 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-14 19:04:46,001 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-14 19:04:46,001 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-14 19:04:46,001 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-14 19:04:46,001 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-14 19:04:46,001 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-14 19:04:46,001 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-14 19:04:46,002 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-14 19:04:46,002 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-14 19:04:46,002 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-14 19:04:46,002 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-14 19:04:46,002 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-14 19:04:46,002 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-14 19:04:46,002 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,002 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,003 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,003 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,003 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,003 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-14 19:04:46,003 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-14 19:04:46,003 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-14 19:04:46,003 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-14 19:04:46,003 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-14 19:04:46,003 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-14 19:04:46,004 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-14 19:04:46,004 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-14 19:04:46,004 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-14 19:04:46,004 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,004 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,004 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,004 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,004 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-14 19:04:46,005 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-14 19:04:46,006 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-14 19:04:46,006 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-14 19:04:46,006 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-14 19:04:46,006 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-14 19:04:46,006 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-14 19:04:46,006 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-14 19:04:46,006 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,006 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,006 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,007 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,007 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,007 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-14 19:04:46,007 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-14 19:04:46,007 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-14 19:04:46,007 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-14 19:04:46,007 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-14 19:04:46,007 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-14 19:04:46,008 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-14 19:04:46,008 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-14 19:04:46,008 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,008 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,008 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,008 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,008 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,008 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-14 19:04:46,008 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-14 19:04:46,009 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-14 19:04:46,009 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-14 19:04:46,009 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-14 19:04:46,009 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-14 19:04:46,009 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 19:04:46,009 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-14 19:04:46,009 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-14 19:04:46,009 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-14 19:04:46,010 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse7 (= ~a16~0 |old(~a16~0)|))) (let ((.cse5 (< 12 ~a8~0)) (.cse8 (<= ~a8~0 13)) (.cse9 (not (<= |old(~a8~0)| 13))) (.cse10 (not (< 12 |old(~a8~0)|))) (.cse11 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6)))) (.cse4 (not (= ~a12~0 8))) (.cse0 (and .cse2 .cse1 .cse6 .cse3 .cse7 (= ~a8~0 |old(~a8~0)|)))) (and (or .cse0 (and (not (<= (+ |old(~a7~0)| 1) |old(~a20~0)|)) (not (<= (+ |old(~a20~0)| 1) |old(~a7~0)|)) (not (<= |old(~a20~0)| 0)))) (or (not (= |old(~a8~0)| 13)) (not (= |old(~a17~0)| 1)) (not (= |old(~a20~0)| 1)) (not (= |old(~a21~0)| 1)) (and .cse1 .cse2 (= ~a21~0 1) .cse3 (= ~a8~0 13) (= ~a16~0 4)) .cse4 (not (= 4 |old(~a16~0)|))) (or (not (<= |old(~a16~0)| 6)) (not (< 5 |old(~a16~0)|)) (and .cse1 .cse2 .cse5 .cse6 .cse3 .cse7 .cse8) .cse9 (not (<= 2 |old(~a21~0)|)) (not (<= |old(~a7~0)| 1)) (not (<= |old(~a17~0)| 0)) .cse10 .cse11 .cse4) (or (and .cse2 .cse1 .cse6 .cse3 (= 14 ~a8~0) .cse7) (not (= 14 |old(~a8~0)|))) (or (not (<= 4 |old(~a16~0)|)) (not (< 0 |old(~a17~0)|)) (and .cse1 .cse2 .cse5 .cse6 .cse3 (<= ~a16~0 4) (<= 4 ~a16~0) .cse8) .cse9 (not (<= |old(~a16~0)| 4)) (not (<= |old(~a17~0)| 1)) .cse10 .cse11 .cse4 (not (<= |old(~a20~0)| 1))) (or (not (<= |old(~a21~0)| 0)) .cse0)))) [2020-10-14 19:04:46,010 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-14 19:04:46,010 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,010 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,011 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,011 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,011 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-14 19:04:46,011 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,011 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,011 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-14 19:04:46,011 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-14 19:04:46,011 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-14 19:04:46,011 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-14 19:04:46,012 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 19:04:46,012 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-14 19:04:46,012 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-14 19:04:46,012 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-14 19:04:46,012 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-14 19:04:46,012 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-14 19:04:46,012 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-14 19:04:46,012 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-14 19:04:46,012 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-14 19:04:46,013 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-14 19:04:46,014 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 19:04:46,014 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-14 19:04:46,014 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-14 19:04:46,014 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-14 19:04:46,014 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-14 19:04:46,014 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-14 19:04:46,014 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-14 19:04:46,014 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-14 19:04:46,014 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-14 19:04:46,015 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-14 19:04:46,015 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,015 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,015 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,015 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,015 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,015 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-14 19:04:46,015 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-14 19:04:46,015 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-14 19:04:46,016 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-14 19:04:46,016 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 19:04:46,016 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-14 19:04:46,016 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-14 19:04:46,016 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-14 19:04:46,016 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-14 19:04:46,016 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-14 19:04:46,016 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-14 19:04:46,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 19:04:46,017 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= 5 ~a16~0) (= ~a7~0 0)) [2020-10-14 19:04:46,017 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 19:04:46,017 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 19:04:46,017 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a7~0)| 0))) [2020-10-14 19:04:46,017 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-14 19:04:46,017 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= 13 ~a8~0)) (.cse1 (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1) (= 2 main_~input~0))) (.cse2 (= ~a12~0 8)) (.cse3 (<= ~a8~0 13))) (or (not (<= 5 |old(~a16~0)|)) (and .cse0 (<= 1 ~a17~0) .cse1 (<= ~a16~0 4) .cse2 (<= 4 ~a16~0) (<= ~a17~0 1) (<= ~a20~0 1) .cse3) (= 14 ~a8~0) (not (<= |old(~a16~0)| 5)) (and (= ~a21~0 1) .cse2 (= ~a8~0 13) (= ~a20~0 1) (= ~a16~0 4) (= ~a17~0 1)) (<= ~a21~0 0) (<= (+ ~a7~0 1) ~a20~0) (and (<= ~a16~0 6) .cse0 (<= 6 ~a16~0) .cse1 .cse2 (< 1 ~a21~0) (<= ~a17~0 0) (<= ~a7~0 1) .cse3) (<= (+ ~a20~0 1) ~a7~0) (not (= |old(~a7~0)| 0)) (<= ~a20~0 0))) [2020-10-14 19:04:46,018 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-14 19:04:46,018 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-14 19:04:46,018 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a12~0 8))) (or (and .cse0 (= ~a8~0 13) (= ~a20~0 1) (= ~a16~0 4) (= ~a17~0 1)) (not (<= 5 |old(~a16~0)|)) (and (<= ~a16~0 6) (<= 13 ~a8~0) (<= 6 ~a16~0) .cse0 (< 1 ~a21~0) (<= ~a17~0 0) (<= ~a7~0 1) (<= ~a8~0 13)) (= 14 ~a8~0) (not (<= |old(~a16~0)| 5)) (<= ~a21~0 0) (<= (+ ~a7~0 1) ~a20~0) (<= (+ ~a20~0 1) ~a7~0) (not (= |old(~a7~0)| 0)) (<= ~a20~0 0))) [2020-10-14 19:04:46,018 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-14 19:04:46,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:04:46 BoogieIcfgContainer [2020-10-14 19:04:46,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 19:04:46,044 INFO L168 Benchmark]: Toolchain (without parser) took 43690.31 ms. Allocated memory was 146.8 MB in the beginning and 801.1 MB in the end (delta: 654.3 MB). Free memory was 101.1 MB in the beginning and 549.2 MB in the end (delta: -448.2 MB). Peak memory consumption was 672.9 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:46,044 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 19:04:46,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.00 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 167.6 MB in the end (delta: -66.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:46,046 INFO L168 Benchmark]: Boogie Preprocessor took 119.62 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 162.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:46,047 INFO L168 Benchmark]: RCFGBuilder took 1229.57 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 162.5 MB in the beginning and 174.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:46,048 INFO L168 Benchmark]: TraceAbstraction took 41530.74 ms. Allocated memory was 237.0 MB in the beginning and 801.1 MB in the end (delta: 564.1 MB). Free memory was 174.6 MB in the beginning and 549.2 MB in the end (delta: -374.6 MB). Peak memory consumption was 656.3 MB. Max. memory is 7.1 GB. [2020-10-14 19:04:46,052 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 120.9 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 805.00 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 167.6 MB in the end (delta: -66.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.62 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 162.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1229.57 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 162.5 MB in the beginning and 174.6 MB in the end (delta: -12.2 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41530.74 ms. Allocated memory was 237.0 MB in the beginning and 801.1 MB in the end (delta: 564.1 MB). Free memory was 174.6 MB in the beginning and 549.2 MB in the end (delta: -374.6 MB). Peak memory consumption was 656.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((a12 == 8 && a8 == 13) && a20 == 1) && a16 == 4) && a17 == 1) || !(5 <= \old(a16))) || (((((((a16 <= 6 && 13 <= a8) && 6 <= a16) && a12 == 8) && 1 < a21) && a17 <= 0) && a7 <= 1) && a8 <= 13)) || 14 == a8) || !(\old(a16) <= 5)) || a21 <= 0) || a7 + 1 <= a20) || a20 + 1 <= a7) || !(\old(a7) == 0)) || a20 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.5s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 187 SDtfs, 2363 SDslu, 227 SDs, 0 SdLazy, 4901 SolverSat, 505 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 54 SyntacticMatches, 5 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1310occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 91 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 54 PreInvPairs, 86 NumberOfFragments, 606 HoareAnnotationTreeSize, 54 FomulaSimplifications, 28695 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1440 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 26.2s InterpolantComputationTime, 980 NumberOfCodeBlocks, 980 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 973 ConstructedInterpolants, 0 QuantifiedInterpolants, 1534606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 401/417 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...