/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:03:04,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:03:04,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:03:04,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:03:04,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:03:04,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:03:04,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:03:04,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:03:04,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:03:04,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:03:04,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:03:04,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:03:04,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:03:04,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:03:04,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:03:04,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:03:04,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:03:04,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:03:04,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:03:04,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:03:04,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:03:04,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:03:04,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:03:04,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:03:04,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:03:04,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:03:04,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:03:04,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:03:04,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:03:04,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:03:04,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:03:04,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:03:04,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:03:04,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:03:04,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:03:04,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:03:04,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:03:04,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:03:04,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:03:04,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:03:04,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:03:04,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 08:03:04,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:03:04,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:03:04,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:03:04,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:03:04,180 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:03:04,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:03:04,180 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:03:04,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:03:04,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:03:04,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:03:04,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:03:04,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:03:04,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:03:04,182 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:03:04,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:03:04,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:03:04,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:03:04,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:03:04,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:03:04,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:03:04,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:03:04,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:03:04,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:03:04,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:03:04,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:03:04,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:03:04,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:03:04,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:03:04,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:03:04,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:03:04,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:03:04,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:03:04,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:03:04,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:03:04,517 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:03:04,518 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-10-13 08:03:04,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c4c6d800/e0376a522af549bcbe920e86595c99ce/FLAG598843b00 [2020-10-13 08:03:05,129 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:03:05,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label20.c [2020-10-13 08:03:05,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c4c6d800/e0376a522af549bcbe920e86595c99ce/FLAG598843b00 [2020-10-13 08:03:05,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c4c6d800/e0376a522af549bcbe920e86595c99ce [2020-10-13 08:03:05,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:03:05,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:03:05,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:05,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:03:05,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:03:05,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:05" (1/1) ... [2020-10-13 08:03:05,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0614b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:05, skipping insertion in model container [2020-10-13 08:03:05,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:05" (1/1) ... [2020-10-13 08:03:05,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:03:05,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:03:06,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:06,191 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:03:06,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:03:06,322 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:03:06,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06 WrapperNode [2020-10-13 08:03:06,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:03:06,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:03:06,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:03:06,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:03:06,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... [2020-10-13 08:03:06,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:03:06,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:03:06,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:03:06,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:03:06,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:03:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:03:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:03:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:03:06,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:03:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:03:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:03:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:03:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:03:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:03:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:03:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:03:07,980 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:03:07,981 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:03:07,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:07 BoogieIcfgContainer [2020-10-13 08:03:07,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:03:07,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:03:07,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:03:07,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:03:07,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:03:05" (1/3) ... [2020-10-13 08:03:07,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6621f7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:07, skipping insertion in model container [2020-10-13 08:03:07,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:06" (2/3) ... [2020-10-13 08:03:07,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6621f7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:07, skipping insertion in model container [2020-10-13 08:03:07,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:07" (3/3) ... [2020-10-13 08:03:07,996 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-10-13 08:03:08,007 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:03:08,015 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:03:08,029 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:03:08,057 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:03:08,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:03:08,057 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:03:08,057 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:03:08,058 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:03:08,058 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:03:08,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:03:08,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:03:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-13 08:03:08,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-13 08:03:08,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:08,091 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] [2020-10-13 08:03:08,092 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:08,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:08,097 INFO L82 PathProgramCache]: Analyzing trace with hash 92787543, now seen corresponding path program 1 times [2020-10-13 08:03:08,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:08,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63249399] [2020-10-13 08:03:08,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:08,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 08:03:08,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:08,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-10-13 08:03:08,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:03:08,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:03:08,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 08:03:08,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 08:03:08,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:08,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:08,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:08,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:08,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 08:03:08,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:03:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:08,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63249399] [2020-10-13 08:03:08,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:03:08,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 08:03:08,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563181455] [2020-10-13 08:03:08,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 08:03:08,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:08,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 08:03:08,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 08:03:08,907 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-10-13 08:03:10,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:10,384 INFO L93 Difference]: Finished difference Result 581 states and 1007 transitions. [2020-10-13 08:03:10,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:10,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-13 08:03:10,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:10,403 INFO L225 Difference]: With dead ends: 581 [2020-10-13 08:03:10,403 INFO L226 Difference]: Without dead ends: 302 [2020-10-13 08:03:10,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:10,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-13 08:03:10,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-10-13 08:03:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 08:03:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 423 transitions. [2020-10-13 08:03:10,487 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 423 transitions. Word has length 34 [2020-10-13 08:03:10,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:10,488 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 423 transitions. [2020-10-13 08:03:10,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 08:03:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 423 transitions. [2020-10-13 08:03:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-13 08:03:10,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:10,493 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:10,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:03:10,494 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:10,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:10,495 INFO L82 PathProgramCache]: Analyzing trace with hash 697897014, now seen corresponding path program 1 times [2020-10-13 08:03:10,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:10,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060907679] [2020-10-13 08:03:10,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:10,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:10,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:11,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:11,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 08:03:11,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:03:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-13 08:03:11,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:11,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 08:03:11,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 08:03:11,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:11,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:11,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:11,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:11,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:11,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:11,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:03:11,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:11,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:11,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 08:03:11,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:11,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:11,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:11,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:03:11,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:11,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 08:03:11,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-13 08:03:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:11,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1060907679] [2020-10-13 08:03:11,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:11,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:03:11,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253678359] [2020-10-13 08:03:11,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:03:11,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:11,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:03:11,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:11,483 INFO L87 Difference]: Start difference. First operand 296 states and 423 transitions. Second operand 6 states. [2020-10-13 08:03:12,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:12,945 INFO L93 Difference]: Finished difference Result 886 states and 1297 transitions. [2020-10-13 08:03:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:12,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2020-10-13 08:03:12,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:12,958 INFO L225 Difference]: With dead ends: 886 [2020-10-13 08:03:12,958 INFO L226 Difference]: Without dead ends: 596 [2020-10-13 08:03:12,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:03:12,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-10-13 08:03:13,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 586. [2020-10-13 08:03:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-13 08:03:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 834 transitions. [2020-10-13 08:03:13,040 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 834 transitions. Word has length 106 [2020-10-13 08:03:13,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:13,044 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 834 transitions. [2020-10-13 08:03:13,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:03:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 834 transitions. [2020-10-13 08:03:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-13 08:03:13,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:13,054 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:13,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:03:13,054 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:13,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:13,055 INFO L82 PathProgramCache]: Analyzing trace with hash -132245007, now seen corresponding path program 1 times [2020-10-13 08:03:13,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:13,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452204105] [2020-10-13 08:03:13,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:13,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:13,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 08:03:13,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:03:13,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 810 [2020-10-13 08:03:13,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:13,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-13 08:03:13,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 08:03:13,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:13,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:14,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:14,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:14,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:14,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:14,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:14,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:14,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:14,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:14,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:14,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:14,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 08:03:14,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:14,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 08:03:14,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:14,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 08:03:14,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:14,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452204105] [2020-10-13 08:03:14,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:14,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:14,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778490847] [2020-10-13 08:03:14,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:14,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:14,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:14,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:14,160 INFO L87 Difference]: Start difference. First operand 586 states and 834 transitions. Second operand 5 states. [2020-10-13 08:03:15,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:15,330 INFO L93 Difference]: Finished difference Result 1466 states and 2147 transitions. [2020-10-13 08:03:15,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:15,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-10-13 08:03:15,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:15,341 INFO L225 Difference]: With dead ends: 1466 [2020-10-13 08:03:15,341 INFO L226 Difference]: Without dead ends: 886 [2020-10-13 08:03:15,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:15,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-13 08:03:15,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 878. [2020-10-13 08:03:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-13 08:03:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1192 transitions. [2020-10-13 08:03:15,375 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1192 transitions. Word has length 115 [2020-10-13 08:03:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:15,376 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1192 transitions. [2020-10-13 08:03:15,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1192 transitions. [2020-10-13 08:03:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 08:03:15,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:15,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:15,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:03:15,382 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:15,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:15,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1211821722, now seen corresponding path program 1 times [2020-10-13 08:03:15,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:15,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563341199] [2020-10-13 08:03:15,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:15,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:15,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:16,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-13 08:03:16,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:16,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 908 [2020-10-13 08:03:16,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:16,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:16,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-13 08:03:16,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 08:03:16,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:16,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:16,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:16,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:16,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:03:16,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:16,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:16,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:16,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:16,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:16,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 08:03:16,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:16,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-13 08:03:16,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:16,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:16,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:16,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-13 08:03:16,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:16,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563341199] [2020-10-13 08:03:16,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:16,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:16,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731869521] [2020-10-13 08:03:16,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:16,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:16,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:16,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:16,668 INFO L87 Difference]: Start difference. First operand 878 states and 1192 transitions. Second operand 5 states. [2020-10-13 08:03:17,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:17,569 INFO L93 Difference]: Finished difference Result 1777 states and 2434 transitions. [2020-10-13 08:03:17,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:17,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-13 08:03:17,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:17,575 INFO L225 Difference]: With dead ends: 1777 [2020-10-13 08:03:17,575 INFO L226 Difference]: Without dead ends: 886 [2020-10-13 08:03:17,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:17,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-13 08:03:17,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 878. [2020-10-13 08:03:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-13 08:03:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1188 transitions. [2020-10-13 08:03:17,605 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1188 transitions. Word has length 146 [2020-10-13 08:03:17,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:17,606 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1188 transitions. [2020-10-13 08:03:17,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1188 transitions. [2020-10-13 08:03:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 08:03:17,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:17,609 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:03:17,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:03:17,610 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:17,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:17,610 INFO L82 PathProgramCache]: Analyzing trace with hash 650477289, now seen corresponding path program 1 times [2020-10-13 08:03:17,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:17,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309378561] [2020-10-13 08:03:17,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:17,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:17,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:18,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:18,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 08:03:18,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:03:18,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1291 [2020-10-13 08:03:18,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 08:03:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 08:03:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:19,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:19,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:19,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:19,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:19,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:19,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:19,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:19,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:19,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:19,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:19,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 08:03:19,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:19,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 08:03:19,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:19,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 08:03:19,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:03:19,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309378561] [2020-10-13 08:03:19,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:19,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:19,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803155167] [2020-10-13 08:03:19,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:19,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:19,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:19,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:19,244 INFO L87 Difference]: Start difference. First operand 878 states and 1188 transitions. Second operand 5 states. [2020-10-13 08:03:20,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:20,144 INFO L93 Difference]: Finished difference Result 1780 states and 2425 transitions. [2020-10-13 08:03:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:20,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-10-13 08:03:20,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:20,151 INFO L225 Difference]: With dead ends: 1780 [2020-10-13 08:03:20,151 INFO L226 Difference]: Without dead ends: 886 [2020-10-13 08:03:20,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:20,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-13 08:03:20,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 878. [2020-10-13 08:03:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-10-13 08:03:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1182 transitions. [2020-10-13 08:03:20,188 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1182 transitions. Word has length 151 [2020-10-13 08:03:20,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:20,188 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1182 transitions. [2020-10-13 08:03:20,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:20,189 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1182 transitions. [2020-10-13 08:03:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 08:03:20,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:03:20,194 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 08:03:20,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:03:20,194 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:03:20,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:03:20,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1396244471, now seen corresponding path program 1 times [2020-10-13 08:03:20,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:03:20,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29017688] [2020-10-13 08:03:20,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:03:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:20,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:20,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:21,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:21,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:21,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:23,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:23,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-13 08:03:23,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:03:23,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3271 [2020-10-13 08:03:23,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:03:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-10-13 08:03:23,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 08:03:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:23,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:03:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:23,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:23,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:23,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:03:23,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:03:23,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:23,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:23,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:23,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:23,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:03:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:23,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:23,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:23,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 08:03:23,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:23,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 08:03:23,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:03:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:03:23,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:03:23,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 08:03:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:03:23,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:03:23,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:03:23,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 08:03:23,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:03:23,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 08:03:23,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:03:23,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:03:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:03:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 08:03:23,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:03:23,881 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-13 08:03:23,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29017688] [2020-10-13 08:03:23,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:03:23,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:03:23,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606548050] [2020-10-13 08:03:23,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:03:23,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:03:23,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:03:23,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:03:23,884 INFO L87 Difference]: Start difference. First operand 878 states and 1182 transitions. Second operand 5 states. [2020-10-13 08:03:24,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:03:24,721 INFO L93 Difference]: Finished difference Result 1621 states and 2170 transitions. [2020-10-13 08:03:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:03:24,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-10-13 08:03:24,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:03:24,724 INFO L225 Difference]: With dead ends: 1621 [2020-10-13 08:03:24,724 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:03:24,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:03:24,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:03:24,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:03:24,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:03:24,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:03:24,729 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2020-10-13 08:03:24,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:03:24,730 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:03:24,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:03:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:03:24,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:03:24,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:03:24,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:03:25,230 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 57 [2020-10-13 08:03:25,330 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:25,331 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-13 08:03:25,331 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:25,331 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-10-13 08:03:25,331 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,331 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,331 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,332 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,332 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,332 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,332 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-10-13 08:03:25,332 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-10-13 08:03:25,332 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-13 08:03:25,332 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-13 08:03:25,332 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-13 08:03:25,333 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-13 08:03:25,333 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-13 08:03:25,333 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-13 08:03:25,333 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-10-13 08:03:25,333 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-10-13 08:03:25,333 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-10-13 08:03:25,333 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,333 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,334 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,334 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,334 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,334 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-10-13 08:03:25,334 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-10-13 08:03:25,334 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-10-13 08:03:25,334 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-10-13 08:03:25,334 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-13 08:03:25,335 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-13 08:03:25,335 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-13 08:03:25,335 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-13 08:03:25,335 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-13 08:03:25,335 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-10-13 08:03:25,335 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-10-13 08:03:25,335 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-10-13 08:03:25,335 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-10-13 08:03:25,336 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2020-10-13 08:03:25,336 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-10-13 08:03:25,336 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,336 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,336 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,336 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,336 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,337 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-10-13 08:03:25,337 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 08:03:25,337 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-13 08:03:25,337 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-13 08:03:25,337 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-13 08:03:25,337 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-13 08:03:25,337 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-10-13 08:03:25,337 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-10-13 08:03:25,338 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-10-13 08:03:25,338 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-10-13 08:03:25,338 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,338 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,338 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,338 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,338 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,339 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-10-13 08:03:25,339 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-10-13 08:03:25,339 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-10-13 08:03:25,339 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-13 08:03:25,339 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-13 08:03:25,339 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-13 08:03:25,339 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-13 08:03:25,339 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-13 08:03:25,340 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-10-13 08:03:25,340 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-10-13 08:03:25,340 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-10-13 08:03:25,340 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-10-13 08:03:25,340 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-10-13 08:03:25,340 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,340 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,341 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,341 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,341 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,341 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-13 08:03:25,341 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-13 08:03:25,341 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-13 08:03:25,341 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-13 08:03:25,341 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-13 08:03:25,341 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-10-13 08:03:25,342 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-10-13 08:03:25,342 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-10-13 08:03:25,342 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-10-13 08:03:25,342 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,342 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,342 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,342 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,342 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,343 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,343 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,343 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-10-13 08:03:25,343 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-10-13 08:03:25,343 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-10-13 08:03:25,343 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-10-13 08:03:25,343 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-13 08:03:25,343 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-13 08:03:25,343 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 08:03:25,344 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-13 08:03:25,344 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-13 08:03:25,344 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-10-13 08:03:25,344 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-10-13 08:03:25,344 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-10-13 08:03:25,344 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-10-13 08:03:25,344 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,344 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,345 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,345 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,345 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-13 08:03:25,345 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,345 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,345 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-10-13 08:03:25,345 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-10-13 08:03:25,346 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-10-13 08:03:25,346 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-13 08:03:25,346 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-13 08:03:25,346 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-13 08:03:25,346 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-13 08:03:25,346 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-13 08:03:25,346 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-13 08:03:25,347 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-10-13 08:03:25,347 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-10-13 08:03:25,347 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-10-13 08:03:25,347 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-10-13 08:03:25,347 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,347 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,347 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,347 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,347 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,348 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,348 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-10-13 08:03:25,348 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-10-13 08:03:25,348 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-10-13 08:03:25,348 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-13 08:03:25,348 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-13 08:03:25,348 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-13 08:03:25,348 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-13 08:03:25,348 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-13 08:03:25,349 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-13 08:03:25,349 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-10-13 08:03:25,349 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-10-13 08:03:25,349 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (= ~a1~0 |old(~a1~0)|)) (.cse3 (= ~a10~0 |old(~a10~0)|))) (let ((.cse5 (and .cse2 (= ~a19~0 |old(~a19~0)|) .cse3)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 |old(~a10~0)|))) (.cse6 (not (= 8 |old(~a19~0)|))) (.cse4 (not (= ~a12~0 0)))) (and (or (not (<= (+ |old(~a1~0)| 551894) 0)) (not (= 6 |old(~a19~0)|)) .cse0 .cse1 (and .cse2 (= ~a19~0 6) .cse3) .cse4) (or .cse5 (not (= 10 |old(~a19~0)|))) (or (not (<= |old(~a1~0)| 77)) .cse5 .cse0 .cse1 .cse6 (not (<= 41 |old(~a1~0)|)) .cse4) (or (not (= 9 |old(~a19~0)|)) .cse5) (or .cse5 (not (<= 1 |old(~a10~0)|))) (or .cse5 (not (<= 219 |old(~a1~0)|)) .cse0 .cse1 .cse6 .cse4)))) [2020-10-13 08:03:25,349 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-10-13 08:03:25,350 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-10-13 08:03:25,350 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-10-13 08:03:25,350 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,350 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,350 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,350 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,350 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,351 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,351 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-10-13 08:03:25,351 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 08:03:25,351 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-13 08:03:25,351 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-13 08:03:25,351 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-13 08:03:25,351 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-13 08:03:25,352 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-13 08:03:25,352 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-10-13 08:03:25,352 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-10-13 08:03:25,352 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-10-13 08:03:25,352 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-10-13 08:03:25,352 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-10-13 08:03:25,352 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-10-13 08:03:25,352 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,352 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,353 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,353 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,353 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,353 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,353 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-10-13 08:03:25,353 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-10-13 08:03:25,353 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-10-13 08:03:25,353 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-13 08:03:25,353 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-13 08:03:25,354 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-13 08:03:25,354 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-13 08:03:25,354 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-13 08:03:25,354 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-13 08:03:25,354 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-10-13 08:03:25,354 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-10-13 08:03:25,354 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-10-13 08:03:25,354 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,354 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,355 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,355 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,355 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,355 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-10-13 08:03:25,355 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-10-13 08:03:25,355 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-10-13 08:03:25,355 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-10-13 08:03:25,355 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-13 08:03:25,355 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-13 08:03:25,356 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-13 08:03:25,356 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-13 08:03:25,356 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-13 08:03:25,356 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-13 08:03:25,356 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-10-13 08:03:25,356 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-10-13 08:03:25,356 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-10-13 08:03:25,356 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:03:25,357 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a19~0 9) [2020-10-13 08:03:25,357 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:03:25,357 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:03:25,357 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) [2020-10-13 08:03:25,357 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:25,357 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse3 (= ~a19~0 8)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a10~0 0)) (.cse2 (= ~a12~0 0))) (or (not (= 9 |old(~a19~0)|)) (and .cse0 .cse1 (<= (+ ~a1~0 551894) 0) .cse2 (= ~a19~0 6)) (and .cse3 (<= 41 ~a1~0) (<= ~a1~0 77) .cse0 .cse1 .cse2) (<= 1 ~a10~0) (= ~a19~0 10) (= ~a19~0 9) (and .cse3 .cse0 .cse1 .cse2 (<= 219 ~a1~0)))) [2020-10-13 08:03:25,358 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-10-13 08:03:25,358 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-13 08:03:25,358 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse3 (= ~a19~0 8)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a10~0 0)) (.cse2 (= ~a12~0 0))) (or (not (= 9 |old(~a19~0)|)) (and .cse0 .cse1 (<= (+ ~a1~0 551894) 0) .cse2 (= ~a19~0 6)) (and .cse3 (<= 41 ~a1~0) (<= ~a1~0 77) .cse0 .cse1 .cse2) (<= 1 ~a10~0) (= ~a19~0 10) (= ~a19~0 9) (and .cse3 .cse0 .cse1 .cse2 (<= 219 ~a1~0)))) [2020-10-13 08:03:25,358 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-10-13 08:03:25,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:03:25 BoogieIcfgContainer [2020-10-13 08:03:25,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:03:25,384 INFO L168 Benchmark]: Toolchain (without parser) took 19919.73 ms. Allocated memory was 146.3 MB in the beginning and 517.5 MB in the end (delta: 371.2 MB). Free memory was 102.2 MB in the beginning and 127.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 345.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:25,385 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:03:25,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.55 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 102.0 MB in the beginning and 171.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:25,390 INFO L168 Benchmark]: Boogie Preprocessor took 124.42 ms. Allocated memory is still 205.5 MB. Free memory was 171.2 MB in the beginning and 166.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:25,392 INFO L168 Benchmark]: RCFGBuilder took 1537.76 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 166.4 MB in the beginning and 176.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:25,392 INFO L168 Benchmark]: TraceAbstraction took 17393.12 ms. Allocated memory was 235.9 MB in the beginning and 517.5 MB in the end (delta: 281.5 MB). Free memory was 176.6 MB in the beginning and 127.6 MB in the end (delta: 49.1 MB). Peak memory consumption was 330.6 MB. Max. memory is 7.1 GB. [2020-10-13 08:03:25,399 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 859.55 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 102.0 MB in the beginning and 171.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.42 ms. Allocated memory is still 205.5 MB. Free memory was 171.2 MB in the beginning and 166.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1537.76 ms. Allocated memory was 205.5 MB in the beginning and 235.9 MB in the end (delta: 30.4 MB). Free memory was 166.4 MB in the beginning and 176.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17393.12 ms. Allocated memory was 235.9 MB in the beginning and 517.5 MB in the end (delta: 281.5 MB). Free memory was 176.6 MB in the beginning and 127.6 MB in the end (delta: 49.1 MB). Peak memory consumption was 330.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 88]: 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: (((((!(9 == \old(a19)) || ((((14 == a4 && a10 == 0) && a1 + 551894 <= 0) && a12 == 0) && a19 == 6)) || (((((a19 == 8 && 41 <= a1) && a1 <= 77) && 14 == a4) && a10 == 0) && a12 == 0)) || 1 <= a10) || a19 == 10) || a19 == 9) || ((((a19 == 8 && 14 == a4) && a10 == 0) && a12 == 0) && 219 <= a1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.6s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 SDtfs, 1600 SDslu, 108 SDs, 0 SdLazy, 3924 SolverSat, 430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=878occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 40 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 41 PreInvPairs, 61 NumberOfFragments, 329 HoareAnnotationTreeSize, 41 FomulaSimplifications, 8968 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 301 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 784 NumberOfCodeBlocks, 784 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 778 ConstructedInterpolants, 0 QuantifiedInterpolants, 312241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 228/234 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...