/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:27:24,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:27:24,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:27:24,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:27:24,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:27:24,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:27:24,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:27:24,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:27:24,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:27:24,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:27:24,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:27:24,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:27:24,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:27:24,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:27:24,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:27:24,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:27:24,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:27:24,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:27:24,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:27:24,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:27:24,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:27:24,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:27:24,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:27:24,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:27:24,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:27:24,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:27:24,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:27:24,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:27:24,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:27:24,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:27:24,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:27:24,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:27:24,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:27:24,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:27:24,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:27:24,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:27:24,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:27:24,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:27:24,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:27:24,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:27:24,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:27:24,332 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 [2020-09-21 11:27:24,381 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:27:24,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:27:24,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:27:24,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:27:24,387 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:27:24,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:27:24,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:27:24,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:27:24,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:27:24,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:27:24,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:27:24,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:27:24,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:27:24,389 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:27:24,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:27:24,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:27:24,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:27:24,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:27:24,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:27:24,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:27:24,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:27:24,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:27:24,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:27:24,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:27:24,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:27:24,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:27:24,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:27:24,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:27:24,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:27:24,397 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:27:24,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:27:24,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:27:24,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:27:24,855 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:27:24,855 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:27:24,856 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-09-21 11:27:24,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da3c2ce92/fb3bcabfad7249f281ca1f8aca632c1c/FLAG627d46fb0 [2020-09-21 11:27:25,669 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:27:25,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label30.c [2020-09-21 11:27:25,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da3c2ce92/fb3bcabfad7249f281ca1f8aca632c1c/FLAG627d46fb0 [2020-09-21 11:27:25,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da3c2ce92/fb3bcabfad7249f281ca1f8aca632c1c [2020-09-21 11:27:25,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:27:25,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:27:25,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:27:25,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:27:25,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:27:25,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:27:25" (1/1) ... [2020-09-21 11:27:25,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb7919e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:25, skipping insertion in model container [2020-09-21 11:27:25,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:27:25" (1/1) ... [2020-09-21 11:27:25,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:27:26,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:27:26,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:27:26,473 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:27:26,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:27:26,773 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:27:26,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26 WrapperNode [2020-09-21 11:27:26,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:27:26,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:27:26,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:27:26,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:27:26,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26" (1/1) ... [2020-09-21 11:27:26,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26" (1/1) ... [2020-09-21 11:27:26,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26" (1/1) ... [2020-09-21 11:27:26,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26" (1/1) ... [2020-09-21 11:27:26,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26" (1/1) ... [2020-09-21 11:27:26,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26" (1/1) ... [2020-09-21 11:27:26,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26" (1/1) ... [2020-09-21 11:27:26,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:27:26,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:27:26,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:27:26,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:27:26,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26" (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 [2020-09-21 11:27:27,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:27:27,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:27:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:27:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:27:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:27:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:27:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:27:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:27:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:27:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:27:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:27:28,364 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:27:28,364 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:27:28,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:27:28 BoogieIcfgContainer [2020-09-21 11:27:28,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:27:28,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:27:28,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:27:28,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:27:28,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:27:25" (1/3) ... [2020-09-21 11:27:28,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c3a710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:27:28, skipping insertion in model container [2020-09-21 11:27:28,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:26" (2/3) ... [2020-09-21 11:27:28,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c3a710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:27:28, skipping insertion in model container [2020-09-21 11:27:28,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:27:28" (3/3) ... [2020-09-21 11:27:28,383 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2020-09-21 11:27:28,397 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:27:28,408 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:27:28,430 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:27:28,463 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:27:28,464 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:27:28,464 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:27:28,464 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:27:28,464 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:27:28,464 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:27:28,465 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:27:28,465 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:27:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 11:27:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-21 11:27:28,503 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:28,504 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] [2020-09-21 11:27:28,504 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:28,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:28,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1422134543, now seen corresponding path program 1 times [2020-09-21 11:27:28,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:28,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866876548] [2020-09-21 11:27:28,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:28,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:28,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:28,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:28,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:28,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 11:27:28,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:28,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-21 11:27:28,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:27:28,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:28,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:28,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:28,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:28,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:28,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:28,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:28,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:27:28,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:28,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:28,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866876548] [2020-09-21 11:27:28,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:28,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:27:28,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085047798] [2020-09-21 11:27:28,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:27:28,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:29,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:27:29,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:27:29,005 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-09-21 11:27:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:31,283 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-09-21 11:27:31,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:27:31,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-09-21 11:27:31,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:31,307 INFO L225 Difference]: With dead ends: 730 [2020-09-21 11:27:31,307 INFO L226 Difference]: Without dead ends: 447 [2020-09-21 11:27:31,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:31,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-21 11:27:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-09-21 11:27:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-09-21 11:27:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-09-21 11:27:31,426 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 40 [2020-09-21 11:27:31,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:31,427 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-09-21 11:27:31,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:31,427 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-09-21 11:27:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-09-21 11:27:31,434 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:31,435 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:31,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:27:31,435 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:31,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:31,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1223819674, now seen corresponding path program 1 times [2020-09-21 11:27:31,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:31,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764656471] [2020-09-21 11:27:31,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:31,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:31,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:31,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:31,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:31,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-21 11:27:31,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:31,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-21 11:27:31,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:31,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:31,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:27:31,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:31,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:31,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:31,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:31,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:31,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:31,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:31,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:31,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:27:31,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:31,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:31,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:31,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:31,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:31,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:31,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:31,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:31,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:31,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:31,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:27:31,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:31,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:27:31,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:27:31,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:32,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764656471] [2020-09-21 11:27:32,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:32,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:27:32,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032435693] [2020-09-21 11:27:32,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:32,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:32,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:32,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:32,025 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-09-21 11:27:34,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:34,438 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-09-21 11:27:34,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:27:34,439 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-09-21 11:27:34,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:34,449 INFO L225 Difference]: With dead ends: 1490 [2020-09-21 11:27:34,449 INFO L226 Difference]: Without dead ends: 1055 [2020-09-21 11:27:34,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:27:34,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-09-21 11:27:34,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-09-21 11:27:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-09-21 11:27:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-09-21 11:27:34,521 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 122 [2020-09-21 11:27:34,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:34,522 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-09-21 11:27:34,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-09-21 11:27:34,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-21 11:27:34,532 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:34,532 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:34,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:27:34,533 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:34,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:34,533 INFO L82 PathProgramCache]: Analyzing trace with hash 52272842, now seen corresponding path program 1 times [2020-09-21 11:27:34,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:34,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912021125] [2020-09-21 11:27:34,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:34,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:34,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:34,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:34,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:34,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-21 11:27:34,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:27:34,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-21 11:27:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:34,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:34,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:34,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:34,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:34,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:34,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:27:34,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:27:34,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:34,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:34,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:34,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:34,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:34,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:27:34,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:34,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:27:34,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:34,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:34,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:34,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-21 11:27:34,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:34,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912021125] [2020-09-21 11:27:34,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:34,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:27:34,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092237011] [2020-09-21 11:27:34,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:34,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:34,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:34,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:34,993 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-09-21 11:27:36,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:36,785 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-09-21 11:27:36,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:36,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-09-21 11:27:36,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:36,796 INFO L225 Difference]: With dead ends: 1822 [2020-09-21 11:27:36,797 INFO L226 Difference]: Without dead ends: 1083 [2020-09-21 11:27:36,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:27:36,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-09-21 11:27:36,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-09-21 11:27:36,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-09-21 11:27:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-09-21 11:27:36,842 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 162 [2020-09-21 11:27:36,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:36,842 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-09-21 11:27:36,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:36,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-09-21 11:27:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-21 11:27:36,851 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:36,852 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:27:36,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:27:36,852 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:36,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:36,853 INFO L82 PathProgramCache]: Analyzing trace with hash -910777059, now seen corresponding path program 1 times [2020-09-21 11:27:36,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:36,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541872402] [2020-09-21 11:27:36,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:36,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:36,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:36,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:36,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:36,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-21 11:27:36,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:36,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:27:36,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:36,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:27:36,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 11:27:36,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:37,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:37,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:37,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:37,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:37,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:37,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:37,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:37,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:37,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:37,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:37,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:37,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:37,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:37,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:37,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:37,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:27:37,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:37,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:27:37,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:37,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:37,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:37,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:27:37,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:37,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:27:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:37,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:37,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:37,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:37,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:37,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:27:37,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:27:37,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:27:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:27:37,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541872402] [2020-09-21 11:27:37,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:37,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:37,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044029270] [2020-09-21 11:27:37,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:37,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:37,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:37,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:37,522 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 7 states. [2020-09-21 11:27:39,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:39,018 INFO L93 Difference]: Finished difference Result 2567 states and 3417 transitions. [2020-09-21 11:27:39,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:39,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-09-21 11:27:39,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:39,029 INFO L225 Difference]: With dead ends: 2567 [2020-09-21 11:27:39,030 INFO L226 Difference]: Without dead ends: 1518 [2020-09-21 11:27:39,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:27:39,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2020-09-21 11:27:39,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1206. [2020-09-21 11:27:39,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-09-21 11:27:39,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1510 transitions. [2020-09-21 11:27:39,085 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1510 transitions. Word has length 208 [2020-09-21 11:27:39,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:39,086 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1510 transitions. [2020-09-21 11:27:39,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1510 transitions. [2020-09-21 11:27:39,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-09-21 11:27:39,090 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:39,090 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:39,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:27:39,091 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:39,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:39,091 INFO L82 PathProgramCache]: Analyzing trace with hash 2063499112, now seen corresponding path program 1 times [2020-09-21 11:27:39,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:39,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200498622] [2020-09-21 11:27:39,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:39,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:39,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:39,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:39,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:39,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 11:27:39,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:39,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-21 11:27:39,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:39,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 11:27:39,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:39,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:39,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:39,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:39,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:39,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:39,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:39,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:27:39,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:39,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:39,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:39,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:39,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:39,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:39,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:39,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:27:39,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:39,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:27:39,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:27:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:39,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:27:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:39,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:39,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:39,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:39,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:39,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:27:39,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:39,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:27:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 66 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:27:39,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200498622] [2020-09-21 11:27:39,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:39,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:39,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958011604] [2020-09-21 11:27:39,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:39,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:39,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:39,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:39,584 INFO L87 Difference]: Start difference. First operand 1206 states and 1510 transitions. Second operand 7 states. [2020-09-21 11:27:41,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:41,071 INFO L93 Difference]: Finished difference Result 2579 states and 3226 transitions. [2020-09-21 11:27:41,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:27:41,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 209 [2020-09-21 11:27:41,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:41,078 INFO L225 Difference]: With dead ends: 2579 [2020-09-21 11:27:41,078 INFO L226 Difference]: Without dead ends: 1379 [2020-09-21 11:27:41,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:27:41,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2020-09-21 11:27:41,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1353. [2020-09-21 11:27:41,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2020-09-21 11:27:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1670 transitions. [2020-09-21 11:27:41,119 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1670 transitions. Word has length 209 [2020-09-21 11:27:41,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:41,120 INFO L479 AbstractCegarLoop]: Abstraction has 1353 states and 1670 transitions. [2020-09-21 11:27:41,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1670 transitions. [2020-09-21 11:27:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-21 11:27:41,123 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:41,124 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:27:41,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:27:41,124 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:41,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:41,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1361912872, now seen corresponding path program 1 times [2020-09-21 11:27:41,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:41,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270978902] [2020-09-21 11:27:41,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:41,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:27:41,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -84 [2020-09-21 11:27:41,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 84 [2020-09-21 11:27:41,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:41,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-21 11:27:41,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:41,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:27:41,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 11:27:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:27:41,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:41,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:41,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:41,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:41,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:41,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:41,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:41,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:41,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:27:41,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:41,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:41,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:41,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:27:41,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:41,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:27:41,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:41,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:41,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:41,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:27:41,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:41,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:27:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:41,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:41,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:41,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:41,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:41,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:27:41,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:41,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:27:41,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:41,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:41,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:27:41,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:27:41,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270978902] [2020-09-21 11:27:41,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:41,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:41,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916549693] [2020-09-21 11:27:41,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:41,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:41,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:41,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:41,489 INFO L87 Difference]: Start difference. First operand 1353 states and 1670 transitions. Second operand 7 states. [2020-09-21 11:27:43,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:43,718 INFO L93 Difference]: Finished difference Result 3172 states and 4008 transitions. [2020-09-21 11:27:43,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:43,719 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-09-21 11:27:43,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:43,734 INFO L225 Difference]: With dead ends: 3172 [2020-09-21 11:27:43,734 INFO L226 Difference]: Without dead ends: 1945 [2020-09-21 11:27:43,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:27:43,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2020-09-21 11:27:43,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1353. [2020-09-21 11:27:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2020-09-21 11:27:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1663 transitions. [2020-09-21 11:27:43,785 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1663 transitions. Word has length 217 [2020-09-21 11:27:43,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:43,785 INFO L479 AbstractCegarLoop]: Abstraction has 1353 states and 1663 transitions. [2020-09-21 11:27:43,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1663 transitions. [2020-09-21 11:27:43,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-09-21 11:27:43,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:43,790 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:27:43,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:27:43,790 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:43,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:43,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1165154096, now seen corresponding path program 1 times [2020-09-21 11:27:43,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:43,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305306400] [2020-09-21 11:27:43,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:43,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:43,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:43,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:43,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:43,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-21 11:27:43,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:43,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:27:43,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:43,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:43,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:27:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 11:27:43,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:43,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:43,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:43,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:43,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:43,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:43,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:43,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:43,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:43,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:43,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:43,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:43,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:43,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:43,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:44,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:44,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:44,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:44,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:44,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:27:44,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:27:44,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:44,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:27:44,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:44,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:27:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:44,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:44,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:44,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:44,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:44,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:27:44,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:44,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:27:44,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:44,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:44,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:44,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:27:44,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:27:44,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305306400] [2020-09-21 11:27:44,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:44,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:44,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828498050] [2020-09-21 11:27:44,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:44,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:44,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:44,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:44,373 INFO L87 Difference]: Start difference. First operand 1353 states and 1663 transitions. Second operand 7 states. [2020-09-21 11:27:46,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:46,022 INFO L93 Difference]: Finished difference Result 2728 states and 3425 transitions. [2020-09-21 11:27:46,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:46,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-09-21 11:27:46,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:46,031 INFO L225 Difference]: With dead ends: 2728 [2020-09-21 11:27:46,031 INFO L226 Difference]: Without dead ends: 1524 [2020-09-21 11:27:46,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:27:46,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states. [2020-09-21 11:27:46,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1359. [2020-09-21 11:27:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1359 states. [2020-09-21 11:27:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1603 transitions. [2020-09-21 11:27:46,095 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1603 transitions. Word has length 253 [2020-09-21 11:27:46,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:46,096 INFO L479 AbstractCegarLoop]: Abstraction has 1359 states and 1603 transitions. [2020-09-21 11:27:46,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1603 transitions. [2020-09-21 11:27:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-09-21 11:27:46,104 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:46,104 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:46,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:27:46,105 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:46,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:46,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1060741542, now seen corresponding path program 1 times [2020-09-21 11:27:46,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:46,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979403088] [2020-09-21 11:27:46,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:46,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:27:46,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-21 11:27:46,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-21 11:27:46,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:46,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-09-21 11:27:46,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:46,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:27:46,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:46,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:46,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:27:46,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:27:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:46,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:46,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:46,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:46,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:46,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:46,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:46,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:46,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:46,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:46,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:46,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:46,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:27:46,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:46,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:46,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:46,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:27:46,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:46,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:27:46,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:46,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:27:46,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:46,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:27:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:46,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:46,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:46,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:46,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:46,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:27:46,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:46,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:27:46,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:46,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:46,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:46,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:27:46,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:46,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-21 11:27:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:46,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:46,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:46,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:46,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:46,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:27:46,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:46,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:27:46,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:46,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:46,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-09-21 11:27:46,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:46,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 177 proven. 76 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-09-21 11:27:46,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979403088] [2020-09-21 11:27:46,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:46,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:27:46,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101454677] [2020-09-21 11:27:46,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:46,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:46,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:46,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:46,946 INFO L87 Difference]: Start difference. First operand 1359 states and 1603 transitions. Second operand 8 states. [2020-09-21 11:27:48,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:48,884 INFO L93 Difference]: Finished difference Result 3171 states and 3818 transitions. [2020-09-21 11:27:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:48,886 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 330 [2020-09-21 11:27:48,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:48,896 INFO L225 Difference]: With dead ends: 3171 [2020-09-21 11:27:48,896 INFO L226 Difference]: Without dead ends: 1961 [2020-09-21 11:27:48,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:27:48,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2020-09-21 11:27:48,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1953. [2020-09-21 11:27:48,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1953 states. [2020-09-21 11:27:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2262 transitions. [2020-09-21 11:27:48,951 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2262 transitions. Word has length 330 [2020-09-21 11:27:48,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:48,952 INFO L479 AbstractCegarLoop]: Abstraction has 1953 states and 2262 transitions. [2020-09-21 11:27:48,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2262 transitions. [2020-09-21 11:27:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-09-21 11:27:48,960 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:48,960 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:48,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:27:48,961 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:48,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:48,961 INFO L82 PathProgramCache]: Analyzing trace with hash -924465415, now seen corresponding path program 1 times [2020-09-21 11:27:48,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:48,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147540700] [2020-09-21 11:27:48,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:49,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:49,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:49,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:49,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:49,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 364 [2020-09-21 11:27:49,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:49,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:27:49,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 324 [2020-09-21 11:27:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:27:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:49,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:49,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:49,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:49,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:49,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:49,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:49,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:49,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:49,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:49,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:49,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:49,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:49,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:49,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:49,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:49,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:49,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:49,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:49,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 11:27:49,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:49,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:49,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:49,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:49,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:49,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:49,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:27:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:49,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:49,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:49,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:49,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:49,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-21 11:27:49,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:49,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:49,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:49,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:49,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:49,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:49,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-21 11:27:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:49,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:49,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:49,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:49,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:49,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:27:49,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:49,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:27:49,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 11:27:49,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-09-21 11:27:49,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147540700] [2020-09-21 11:27:49,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:49,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:27:49,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219479185] [2020-09-21 11:27:49,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:27:49,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:49,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:27:49,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:27:49,496 INFO L87 Difference]: Start difference. First operand 1953 states and 2262 transitions. Second operand 5 states. [2020-09-21 11:27:50,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:50,859 INFO L93 Difference]: Finished difference Result 4631 states and 5506 transitions. [2020-09-21 11:27:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:27:50,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 349 [2020-09-21 11:27:50,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:50,861 INFO L225 Difference]: With dead ends: 4631 [2020-09-21 11:27:50,861 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:27:50,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:27:50,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:27:50,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:27:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:27:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:27:50,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 349 [2020-09-21 11:27:50,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:50,872 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:27:50,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:27:50,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:27:50,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:27:50,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:27:52,072 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 127 [2020-09-21 11:27:52,274 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 127 [2020-09-21 11:27:52,989 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 34 [2020-09-21 11:27:53,598 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 52 [2020-09-21 11:27:54,120 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 52 [2020-09-21 11:27:54,125 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:27:54,125 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-21 11:27:54,125 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:27:54,126 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 11:27:54,126 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,126 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,126 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,126 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,126 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,126 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,127 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 11:27:54,127 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 11:27:54,127 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:27:54,127 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 11:27:54,127 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:27:54,127 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 11:27:54,127 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 11:27:54,127 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 11:27:54,127 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 11:27:54,128 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 11:27:54,128 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 11:27:54,128 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,128 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,128 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,129 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,129 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,129 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 11:27:54,129 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 11:27:54,129 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 11:27:54,129 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 11:27:54,129 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 11:27:54,129 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:27:54,130 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 11:27:54,130 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 11:27:54,130 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 11:27:54,130 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 11:27:54,130 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 11:27:54,130 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 11:27:54,130 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 11:27:54,130 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 11:27:54,131 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 11:27:54,132 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 11:27:54,132 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 11:27:54,132 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 11:27:54,132 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 11:27:54,132 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 11:27:54,132 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 11:27:54,132 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,132 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,133 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,133 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,133 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,133 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 11:27:54,133 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 11:27:54,133 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 11:27:54,133 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 11:27:54,133 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 11:27:54,134 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 11:27:54,134 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 11:27:54,134 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 11:27:54,134 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 11:27:54,134 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 11:27:54,134 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 11:27:54,134 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 11:27:54,134 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 11:27:54,135 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,135 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,135 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,135 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,135 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,135 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:27:54,135 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:27:54,135 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:27:54,135 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,136 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 11:27:54,137 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 11:27:54,138 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 11:27:54,138 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 11:27:54,138 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,138 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,138 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,138 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,138 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 11:27:54,139 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,139 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,139 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 11:27:54,139 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 11:27:54,139 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 11:27:54,139 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 11:27:54,139 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 11:27:54,140 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 11:27:54,140 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:27:54,140 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 11:27:54,140 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 11:27:54,140 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 11:27:54,140 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 11:27:54,140 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 11:27:54,140 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 11:27:54,141 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,141 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,141 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,141 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,141 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,141 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,141 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 11:27:54,141 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 11:27:54,142 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 11:27:54,142 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 11:27:54,142 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:27:54,142 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 11:27:54,142 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:27:54,142 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 11:27:54,142 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 11:27:54,142 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 11:27:54,142 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 11:27:54,143 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 7 |old(~a19~0)|)) (.cse3 (not (<= |old(~a1~0)| 206))) (.cse1 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (<= |old(~a19~0)| 9)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= |old(~a10~0)| 0)) .cse3 .cse1) (or (not (= |old(~a10~0)| 1)) .cse1) (or .cse3 .cse1 .cse2 (not (= 2 |old(~a10~0)|))))) [2020-09-21 11:27:54,143 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 11:27:54,143 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 11:27:54,143 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 11:27:54,143 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,144 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,144 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,144 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,144 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,144 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,144 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 11:27:54,144 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:27:54,144 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:27:54,144 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:27:54,145 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 11:27:54,145 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 11:27:54,145 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 11:27:54,145 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 11:27:54,145 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 11:27:54,145 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 11:27:54,145 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 11:27:54,145 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 11:27:54,145 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 11:27:54,146 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 11:27:54,147 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:27:54,147 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:27:54,147 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 11:27:54,147 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 11:27:54,147 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 11:27:54,147 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 11:27:54,147 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 11:27:54,147 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 11:27:54,148 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,148 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,148 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,148 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,148 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,148 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:27:54,148 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 11:27:54,148 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 11:27:54,148 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 11:27:54,149 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 11:27:54,149 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 11:27:54,149 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:27:54,149 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 11:27:54,149 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 11:27:54,149 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 11:27:54,149 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 11:27:54,149 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 11:27:54,149 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 11:27:54,150 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:27:54,150 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-09-21 11:27:54,150 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:27:54,150 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:27:54,150 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|))) [2020-09-21 11:27:54,150 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 11:27:54,151 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse4 (not (= 7 ~a19~0))) (.cse1 (= 0 |old(~a10~0)|)) (.cse2 (<= ~a1~0 206)) (.cse3 (= ~a10~0 1))) (or (not (<= 23 |old(~a1~0)|)) (and (= ~a10~0 2) .cse0 .cse1 .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (and .cse3 .cse1) (and .cse0 .cse4 .cse1) (not (<= |old(~a1~0)| 23)) (and (<= ~a10~0 0) .cse4 .cse1 .cse2) (not (<= |old(~a19~0)| 9)) (and (= ~a19~0 8) (<= 331498 ~a1~0) .cse3 (= 14 ~a4~0) (= ~a12~0 0)))) [2020-09-21 11:27:54,151 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 11:27:54,151 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 11:27:54,151 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse4 (not (= 7 ~a19~0))) (.cse1 (= 0 |old(~a10~0)|)) (.cse2 (<= ~a1~0 206)) (.cse3 (= ~a10~0 1))) (or (not (<= 23 |old(~a1~0)|)) (and (= ~a10~0 2) .cse0 .cse1 .cse2) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (and .cse3 .cse1) (and .cse0 .cse4 .cse1) (not (<= |old(~a1~0)| 23)) (and (<= ~a10~0 0) .cse4 .cse1 .cse2) (not (<= |old(~a19~0)| 9)) (and (= ~a19~0 8) (<= 331498 ~a1~0) .cse3 (= 14 ~a4~0) (= ~a12~0 0)))) [2020-09-21 11:27:54,151 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 11:27:54,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:27:54 BoogieIcfgContainer [2020-09-21 11:27:54,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:27:54,183 INFO L168 Benchmark]: Toolchain (without parser) took 28292.41 ms. Allocated memory was 139.5 MB in the beginning and 598.2 MB in the end (delta: 458.8 MB). Free memory was 101.0 MB in the beginning and 255.9 MB in the end (delta: -155.0 MB). Peak memory consumption was 480.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:54,184 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:27:54,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 876.01 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.3 MB in the beginning and 171.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:54,186 INFO L168 Benchmark]: Boogie Preprocessor took 145.24 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:54,187 INFO L168 Benchmark]: RCFGBuilder took 1451.81 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 182.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:54,188 INFO L168 Benchmark]: TraceAbstraction took 25807.48 ms. Allocated memory was 237.0 MB in the beginning and 598.2 MB in the end (delta: 361.2 MB). Free memory was 182.3 MB in the beginning and 255.9 MB in the end (delta: -73.7 MB). Peak memory consumption was 463.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:27:54,192 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 876.01 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.3 MB in the beginning and 171.1 MB in the end (delta: -70.8 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.24 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1451.81 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 182.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25807.48 ms. Allocated memory was 237.0 MB in the beginning and 598.2 MB in the end (delta: 361.2 MB). Free memory was 182.3 MB in the beginning and 255.9 MB in the end (delta: -73.7 MB). Peak memory consumption was 463.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 <= \old(a1)) || (((a10 == 2 && a19 <= 9) && 0 == \old(a10)) && a1 <= 206)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || (a10 == 1 && 0 == \old(a10))) || ((a19 <= 9 && !(7 == a19)) && 0 == \old(a10))) || !(\old(a1) <= 23)) || (((a10 <= 0 && !(7 == a19)) && 0 == \old(a10)) && a1 <= 206)) || !(\old(a19) <= 9)) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.4s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 241 SDtfs, 4102 SDslu, 322 SDs, 0 SdLazy, 8961 SolverSat, 1501 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1953occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1447 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 86 PreInvPairs, 126 NumberOfFragments, 354 HoareAnnotationTreeSize, 86 FomulaSimplifications, 33773 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10963 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1890 NumberOfCodeBlocks, 1890 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1881 ConstructedInterpolants, 0 QuantifiedInterpolants, 1172255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 1199/1361 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...