/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:40:54,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:40:54,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:40:54,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:40:54,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:40:54,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:40:54,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:40:54,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:40:54,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:40:54,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:40:54,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:40:54,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:40:54,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:40:54,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:40:54,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:40:54,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:40:54,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:40:54,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:40:54,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:40:54,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:40:54,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:40:54,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:40:54,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:40:54,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:40:54,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:40:54,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:40:54,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:40:54,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:40:54,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:40:54,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:40:54,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:40:54,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:40:54,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:40:54,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:40:54,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:40:54,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:40:54,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:40:54,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:40:54,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:40:54,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:40:54,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:40:54,299 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 [2020-10-29 06:40:54,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:40:54,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:40:54,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:40:54,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:40:54,332 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:40:54,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:40:54,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:40:54,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:40:54,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:40:54,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:40:54,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:40:54,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:40:54,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:40:54,334 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:40:54,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:40:54,335 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:40:54,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:40:54,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:40:54,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:40:54,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:40:54,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:40:54,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:40:54,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:40:54,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:40:54,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:40:54,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:40:54,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:40:54,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:40:54,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:40:54,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:40:54,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:40:54,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:40:54,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:40:54,775 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:40:54,775 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:40:54,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-10-29 06:40:54,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5bba310e/30d0af85f21f42bc8c97e4e2d0bccc31/FLAG7f6e807c1 [2020-10-29 06:40:55,617 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:40:55,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-10-29 06:40:55,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5bba310e/30d0af85f21f42bc8c97e4e2d0bccc31/FLAG7f6e807c1 [2020-10-29 06:40:55,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5bba310e/30d0af85f21f42bc8c97e4e2d0bccc31 [2020-10-29 06:40:55,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:40:55,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:40:55,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:40:55,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:40:55,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:40:55,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:55" (1/1) ... [2020-10-29 06:40:55,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c28404e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:55, skipping insertion in model container [2020-10-29 06:40:55,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:40:55" (1/1) ... [2020-10-29 06:40:55,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:40:55,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:40:56,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:40:56,498 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:40:56,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:40:56,670 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:40:56,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56 WrapperNode [2020-10-29 06:40:56,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:40:56,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:40:56,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:40:56,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:40:56,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56" (1/1) ... [2020-10-29 06:40:56,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56" (1/1) ... [2020-10-29 06:40:56,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56" (1/1) ... [2020-10-29 06:40:56,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56" (1/1) ... [2020-10-29 06:40:56,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56" (1/1) ... [2020-10-29 06:40:56,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56" (1/1) ... [2020-10-29 06:40:56,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56" (1/1) ... [2020-10-29 06:40:56,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:40:56,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:40:56,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:40:56,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:40:56,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56" (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 [2020-10-29 06:40:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:40:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:40:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:40:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:40:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:40:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:40:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:40:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:40:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:40:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:40:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:40:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:40:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:40:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:40:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:40:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:40:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:40:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:40:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:40:58,505 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:40:58,506 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:40:58,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:40:58 BoogieIcfgContainer [2020-10-29 06:40:58,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:40:58,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:40:58,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:40:58,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:40:58,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:40:55" (1/3) ... [2020-10-29 06:40:58,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b907909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:40:58, skipping insertion in model container [2020-10-29 06:40:58,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:40:56" (2/3) ... [2020-10-29 06:40:58,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b907909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:40:58, skipping insertion in model container [2020-10-29 06:40:58,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:40:58" (3/3) ... [2020-10-29 06:40:58,518 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label44.c [2020-10-29 06:40:58,531 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:40:58,537 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:40:58,552 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:40:58,588 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:40:58,588 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:40:58,588 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:40:58,589 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:40:58,589 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:40:58,589 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:40:58,589 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:40:58,589 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:40:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:40:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 06:40:58,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:58,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:58,626 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:58,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:58,634 INFO L82 PathProgramCache]: Analyzing trace with hash -606785844, now seen corresponding path program 1 times [2020-10-29 06:40:58,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:58,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676542210] [2020-10-29 06:40:58,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:58,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:59,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:59,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:40:59,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:59,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-29 06:40:59,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:59,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:40:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:40:59,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:40:59,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:40:59,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:59,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:59,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:59,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:59,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:59,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 06:40:59,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:59,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:59,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:59,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:59,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:40:59,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:40:59,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676542210] [2020-10-29 06:40:59,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:40:59,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 06:40:59,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61260822] [2020-10-29 06:40:59,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:40:59,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:59,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:40:59,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:40:59,855 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-29 06:41:00,037 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-29 06:41:02,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:02,868 INFO L93 Difference]: Finished difference Result 735 states and 1306 transitions. [2020-10-29 06:41:02,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:41:02,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-10-29 06:41:02,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:02,906 INFO L225 Difference]: With dead ends: 735 [2020-10-29 06:41:02,907 INFO L226 Difference]: Without dead ends: 448 [2020-10-29 06:41:02,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:02,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-10-29 06:41:03,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 444. [2020-10-29 06:41:03,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-29 06:41:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 596 transitions. [2020-10-29 06:41:03,052 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 596 transitions. Word has length 64 [2020-10-29 06:41:03,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:03,052 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 596 transitions. [2020-10-29 06:41:03,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 596 transitions. [2020-10-29 06:41:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-29 06:41:03,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:03,066 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:03,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:41:03,067 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:03,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:03,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1831936336, now seen corresponding path program 1 times [2020-10-29 06:41:03,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:03,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085490888] [2020-10-29 06:41:03,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:03,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:03,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:03,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:03,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-29 06:41:03,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:03,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 622 [2020-10-29 06:41:03,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:03,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:41:03,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 06:41:03,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:03,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:03,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:03,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:03,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:03,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:03,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:41:03,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:03,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:03,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:04,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:04,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:04,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:41:04,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:04,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-29 06:41:04,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:04,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:41:04,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:41:04,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085490888] [2020-10-29 06:41:04,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:04,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:04,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397812856] [2020-10-29 06:41:04,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:04,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:04,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:04,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:04,247 INFO L87 Difference]: Start difference. First operand 444 states and 596 transitions. Second operand 5 states. [2020-10-29 06:41:06,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:06,229 INFO L93 Difference]: Finished difference Result 1321 states and 1807 transitions. [2020-10-29 06:41:06,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:06,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-10-29 06:41:06,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:06,239 INFO L225 Difference]: With dead ends: 1321 [2020-10-29 06:41:06,240 INFO L226 Difference]: Without dead ends: 883 [2020-10-29 06:41:06,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:06,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-29 06:41:06,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 879. [2020-10-29 06:41:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-29 06:41:06,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1121 transitions. [2020-10-29 06:41:06,345 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1121 transitions. Word has length 143 [2020-10-29 06:41:06,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:06,351 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1121 transitions. [2020-10-29 06:41:06,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1121 transitions. [2020-10-29 06:41:06,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-29 06:41:06,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:06,365 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:06,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:41:06,366 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:06,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:06,369 INFO L82 PathProgramCache]: Analyzing trace with hash -799392536, now seen corresponding path program 1 times [2020-10-29 06:41:06,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:06,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724602062] [2020-10-29 06:41:06,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:06,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:06,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:07,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:08,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:08,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 06:41:08,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:08,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2089 [2020-10-29 06:41:08,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:08,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:08,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 06:41:08,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:08,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:08,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:08,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:08,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:08,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:08,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 06:41:08,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:08,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:08,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:08,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:08,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:08,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:08,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:09,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:09,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:41:09,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:09,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-29 06:41:09,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:09,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 06:41:09,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:41:09,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724602062] [2020-10-29 06:41:09,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:41:09,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 06:41:09,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768453740] [2020-10-29 06:41:09,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:41:09,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:09,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:41:09,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:41:09,236 INFO L87 Difference]: Start difference. First operand 879 states and 1121 transitions. Second operand 8 states. [2020-10-29 06:41:11,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:11,554 INFO L93 Difference]: Finished difference Result 2239 states and 3012 transitions. [2020-10-29 06:41:11,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:41:11,557 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 186 [2020-10-29 06:41:11,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:11,570 INFO L225 Difference]: With dead ends: 2239 [2020-10-29 06:41:11,570 INFO L226 Difference]: Without dead ends: 1366 [2020-10-29 06:41:11,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:41:11,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2020-10-29 06:41:11,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1336. [2020-10-29 06:41:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1336 states. [2020-10-29 06:41:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1698 transitions. [2020-10-29 06:41:11,658 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1698 transitions. Word has length 186 [2020-10-29 06:41:11,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:11,660 INFO L481 AbstractCegarLoop]: Abstraction has 1336 states and 1698 transitions. [2020-10-29 06:41:11,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:41:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1698 transitions. [2020-10-29 06:41:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-29 06:41:11,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:11,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:11,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:41:11,669 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:11,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:11,670 INFO L82 PathProgramCache]: Analyzing trace with hash 160513244, now seen corresponding path program 1 times [2020-10-29 06:41:11,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:11,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126113134] [2020-10-29 06:41:11,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:11,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:11,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:12,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:12,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-29 06:41:12,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 978 [2020-10-29 06:41:12,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:12,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:41:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-29 06:41:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:12,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:12,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:12,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:12,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:12,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:12,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 06:41:12,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:12,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:12,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:12,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:12,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:12,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:12,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:13,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:13,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:13,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:41:13,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:13,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-29 06:41:13,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:13,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:13,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-29 06:41:13,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:41:13,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126113134] [2020-10-29 06:41:13,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:13,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:13,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083888386] [2020-10-29 06:41:13,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:13,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:13,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:13,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:13,367 INFO L87 Difference]: Start difference. First operand 1336 states and 1698 transitions. Second operand 5 states. [2020-10-29 06:41:14,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:14,965 INFO L93 Difference]: Finished difference Result 2062 states and 2634 transitions. [2020-10-29 06:41:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:14,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 201 [2020-10-29 06:41:14,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:14,979 INFO L225 Difference]: With dead ends: 2062 [2020-10-29 06:41:14,979 INFO L226 Difference]: Without dead ends: 2059 [2020-10-29 06:41:14,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:14,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2059 states. [2020-10-29 06:41:15,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2059 to 1912. [2020-10-29 06:41:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1912 states. [2020-10-29 06:41:15,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2460 transitions. [2020-10-29 06:41:15,055 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2460 transitions. Word has length 201 [2020-10-29 06:41:15,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:15,056 INFO L481 AbstractCegarLoop]: Abstraction has 1912 states and 2460 transitions. [2020-10-29 06:41:15,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2460 transitions. [2020-10-29 06:41:15,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-29 06:41:15,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:15,062 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:15,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:41:15,062 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:15,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:15,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1328950204, now seen corresponding path program 1 times [2020-10-29 06:41:15,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:15,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989572571] [2020-10-29 06:41:15,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:15,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:15,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:15,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:16,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:16,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-29 06:41:16,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:16,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1630 [2020-10-29 06:41:16,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:16,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:16,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:16,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:41:16,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:16,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:16,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:16,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:16,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:16,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:16,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:16,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:16,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:16,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:16,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:16,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:16,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:16,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:16,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:16,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 06:41:16,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:16,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:16,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:41:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:16,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:17,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:17,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:17,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:17,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-29 06:41:17,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:17,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:17,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:17,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:41:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:17,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989572571] [2020-10-29 06:41:17,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:17,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:17,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882349277] [2020-10-29 06:41:17,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:17,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:17,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:17,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:17,254 INFO L87 Difference]: Start difference. First operand 1912 states and 2460 transitions. Second operand 7 states. [2020-10-29 06:41:19,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:19,110 INFO L93 Difference]: Finished difference Result 4287 states and 5588 transitions. [2020-10-29 06:41:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:41:19,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 216 [2020-10-29 06:41:19,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:19,128 INFO L225 Difference]: With dead ends: 4287 [2020-10-29 06:41:19,129 INFO L226 Difference]: Without dead ends: 2381 [2020-10-29 06:41:19,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:41:19,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2020-10-29 06:41:19,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1928. [2020-10-29 06:41:19,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1928 states. [2020-10-29 06:41:19,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2334 transitions. [2020-10-29 06:41:19,240 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2334 transitions. Word has length 216 [2020-10-29 06:41:19,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:19,240 INFO L481 AbstractCegarLoop]: Abstraction has 1928 states and 2334 transitions. [2020-10-29 06:41:19,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:19,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2334 transitions. [2020-10-29 06:41:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-29 06:41:19,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:19,246 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:41:19,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:41:19,246 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:19,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:19,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1168123968, now seen corresponding path program 1 times [2020-10-29 06:41:19,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:19,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871613621] [2020-10-29 06:41:19,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:19,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:19,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:19,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:22,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:23,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:23,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-29 06:41:23,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:23,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4689 [2020-10-29 06:41:23,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:23,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-29 06:41:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 06:41:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:24,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:24,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:24,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:24,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:24,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:24,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:24,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:24,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:24,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:24,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:24,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:24,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:24,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:24,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:41:24,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:24,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 06:41:24,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:24,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:24,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:24,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:24,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:24,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:24,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:41:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:24,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:24,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:24,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:41:24,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 06:41:24,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:24,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:24,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:41:24,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-29 06:41:24,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871613621] [2020-10-29 06:41:24,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:24,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:41:24,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489477262] [2020-10-29 06:41:24,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:41:24,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:24,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:41:24,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:24,341 INFO L87 Difference]: Start difference. First operand 1928 states and 2334 transitions. Second operand 6 states. [2020-10-29 06:41:26,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:26,754 INFO L93 Difference]: Finished difference Result 4868 states and 5928 transitions. [2020-10-29 06:41:26,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:41:26,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 223 [2020-10-29 06:41:26,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:26,756 INFO L225 Difference]: With dead ends: 4868 [2020-10-29 06:41:26,756 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:41:26,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:41:26,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:41:26,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:41:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:41:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:41:26,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2020-10-29 06:41:26,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:26,768 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:41:26,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:41:26,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:41:26,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:41:26,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:41:26,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:41:27,041 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 100 [2020-10-29 06:41:27,499 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 100 [2020-10-29 06:41:27,798 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2020-10-29 06:41:28,327 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 32 [2020-10-29 06:41:28,566 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 20 [2020-10-29 06:41:28,740 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 28 [2020-10-29 06:41:28,745 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:41:28,745 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:41:28,746 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:41:28,746 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:41:28,746 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:41:28,746 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-29 06:41:28,746 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:41:28,746 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:41:28,746 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:41:28,747 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:41:28,747 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:41:28,747 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:41:28,747 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:41:28,747 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:41:28,747 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:41:28,747 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:41:28,747 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:41:28,748 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:41:28,748 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:41:28,748 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:41:28,748 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,748 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,748 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,748 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,748 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,749 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,749 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:41:28,749 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:41:28,749 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:41:28,749 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:41:28,749 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:41:28,749 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:41:28,749 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:41:28,749 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:41:28,750 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:41:28,750 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:41:28,750 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:41:28,750 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,750 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,750 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,750 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,750 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,750 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:41:28,751 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:41:28,751 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:41:28,751 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:41:28,751 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:41:28,751 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:41:28,751 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:41:28,751 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:41:28,751 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:41:28,751 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,752 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:41:28,753 INFO L270 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a10~0)| 2)))) (and (or (not (<= 331498 |old(~a1~0)|)) .cse0) (or .cse0 (= 8 |old(~a19~0)|)) (or (= |old(~a10~0)| 1) (not (<= |old(~a19~0)| 9))))) [2020-10-29 06:41:28,753 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:41:28,753 INFO L274 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-10-29 06:41:28,753 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:41:28,753 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:41:28,753 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:41:28,753 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:41:28,754 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:41:28,754 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:41:28,754 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:41:28,754 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,754 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,754 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,754 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,754 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,754 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:41:28,755 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:41:28,755 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:41:28,755 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:41:28,755 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:41:28,755 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:41:28,755 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:41:28,755 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:41:28,755 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,756 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:41:28,757 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:41:28,757 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:41:28,757 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:41:28,757 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:41:28,757 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,757 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,757 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:41:28,757 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:41:28,757 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:41:28,758 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:41:28,758 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,758 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,758 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,758 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,758 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,758 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:41:28,758 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:41:28,759 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:41:28,759 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:41:28,759 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:41:28,759 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:41:28,759 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:41:28,759 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:41:28,759 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:41:28,759 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:41:28,759 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:41:28,760 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:41:28,760 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:41:28,760 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,760 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,760 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,760 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,760 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:41:28,760 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,760 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,761 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:41:28,761 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:41:28,761 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:41:28,761 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:41:28,761 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:41:28,761 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:41:28,761 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:41:28,761 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:41:28,761 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,762 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,763 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:41:28,763 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a10~0)| 2))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (not (<= 331498 |old(~a1~0)|)) .cse0 .cse1) (or .cse0 (= |old(~a10~0)| 1) (not (<= |old(~a19~0)| 9))) (or (not (<= 9 |old(~a19~0)|)) .cse0 .cse1) (or (not (<= |old(~a19~0)| 7)) .cse0))) [2020-10-29 06:41:28,763 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:41:28,763 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:41:28,763 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:41:28,763 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:41:28,763 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:41:28,764 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:41:28,764 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:41:28,764 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:41:28,764 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:41:28,764 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:41:28,764 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:41:28,764 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:41:28,764 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:41:28,764 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:41:28,765 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,766 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:41:28,767 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,768 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,769 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,769 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:41:28,769 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:41:28,769 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9)) [2020-10-29 06:41:28,769 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:41:28,769 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:41:28,769 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-29 06:41:28,769 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:41:28,770 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 331498 ~a1~0) .cse0) (<= ~a19~0 7) (not (<= 9 |old(~a19~0)|)) (and (not (= ~a10~0 1)) .cse0) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 2)))) [2020-10-29 06:41:28,770 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:41:28,770 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:41:28,770 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (and (<= 331498 ~a1~0) .cse0) (<= ~a19~0 7) (not (<= 9 |old(~a19~0)|)) (and (not (= ~a10~0 1)) .cse0) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 2)))) [2020-10-29 06:41:28,770 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:41:28,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:41:28 BoogieIcfgContainer [2020-10-29 06:41:28,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:41:28,794 INFO L168 Benchmark]: Toolchain (without parser) took 32916.19 ms. Allocated memory was 160.4 MB in the beginning and 658.5 MB in the end (delta: 498.1 MB). Free memory was 133.6 MB in the beginning and 452.6 MB in the end (delta: -319.0 MB). Peak memory consumption was 319.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:28,795 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 125.8 MB. Free memory was 80.2 MB in the beginning and 79.8 MB in the end (delta: 361.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:41:28,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.51 ms. Allocated memory is still 160.4 MB. Free memory was 133.0 MB in the beginning and 105.9 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:28,797 INFO L168 Benchmark]: Boogie Preprocessor took 127.95 ms. Allocated memory is still 160.4 MB. Free memory was 105.9 MB in the beginning and 101.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:28,798 INFO L168 Benchmark]: RCFGBuilder took 1707.95 ms. Allocated memory is still 160.4 MB. Free memory was 101.3 MB in the beginning and 88.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:28,799 INFO L168 Benchmark]: TraceAbstraction took 30281.89 ms. Allocated memory was 160.4 MB in the beginning and 658.5 MB in the end (delta: 498.1 MB). Free memory was 87.9 MB in the beginning and 452.6 MB in the end (delta: -364.8 MB). Peak memory consumption was 272.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:41:28,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 125.8 MB. Free memory was 80.2 MB in the beginning and 79.8 MB in the end (delta: 361.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 785.51 ms. Allocated memory is still 160.4 MB. Free memory was 133.0 MB in the beginning and 105.9 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 127.95 ms. Allocated memory is still 160.4 MB. Free memory was 105.9 MB in the beginning and 101.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1707.95 ms. Allocated memory is still 160.4 MB. Free memory was 101.3 MB in the beginning and 88.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30281.89 ms. Allocated memory was 160.4 MB in the beginning and 658.5 MB in the end (delta: 498.1 MB). Free memory was 87.9 MB in the beginning and 452.6 MB in the end (delta: -364.8 MB). Peak memory consumption was 272.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 584]: Loop Invariant Derived loop invariant: ((((((331498 <= a1 && a19 <= 9) || a19 <= 7) || !(9 <= \old(a19))) || (!(a10 == 1) && a19 <= 9)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || (9 <= a19 && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.1s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 150 SDtfs, 2882 SDslu, 164 SDs, 0 SdLazy, 4847 SolverSat, 1023 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1928occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 638 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 126 PreInvPairs, 168 NumberOfFragments, 273 HoareAnnotationTreeSize, 126 FomulaSimplifications, 36551 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3406 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1027 ConstructedInterpolants, 0 QuantifiedInterpolants, 443496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 533/539 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...