/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=DEEPEST --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/Problem02_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:35:55,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:35:55,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:35:55,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:35:55,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:35:55,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:35:55,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:35:55,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:35:55,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:35:55,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:35:55,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:35:55,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:35:55,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:35:55,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:35:55,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:35:55,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:35:55,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:35:55,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:35:55,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:35:55,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:35:55,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:35:55,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:35:55,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:35:55,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:35:55,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:35:55,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:35:55,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:35:55,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:35:55,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:35:55,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:35:55,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:35:55,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:35:55,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:35:55,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:35:55,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:35:55,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:35:55,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:35:55,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:35:55,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:35:55,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:35:55,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:35:55,339 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 [2020-10-27 15:35:55,395 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:35:55,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:35:55,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:35:55,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:35:55,401 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:35:55,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:35:55,402 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:35:55,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:35:55,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:35:55,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:35:55,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:35:55,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:35:55,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:35:55,404 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:35:55,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:35:55,405 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:35:55,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:35:55,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:35:55,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:35:55,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:35:55,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:35:55,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:35:55,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:35:55,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:35:55,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:35:55,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:35:55,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:35:55,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:35:55,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:35:55,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:35:55,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:35:55,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:35:55,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:35:55,848 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:35:55,848 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:35:55,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-10-27 15:35:55,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc962845e/e4656e9c8efe44918ab5bf9a73ed1298/FLAGb9f565feb [2020-10-27 15:35:56,732 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:35:56,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-10-27 15:35:56,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc962845e/e4656e9c8efe44918ab5bf9a73ed1298/FLAGb9f565feb [2020-10-27 15:35:56,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fc962845e/e4656e9c8efe44918ab5bf9a73ed1298 [2020-10-27 15:35:56,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:35:56,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:35:56,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:35:56,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:35:56,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:35:56,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:35:56" (1/1) ... [2020-10-27 15:35:56,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297ba363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:56, skipping insertion in model container [2020-10-27 15:35:56,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:35:56" (1/1) ... [2020-10-27 15:35:56,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:35:57,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:35:57,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:35:57,527 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:35:57,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:35:57,782 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:35:57,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57 WrapperNode [2020-10-27 15:35:57,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:35:57,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:35:57,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:35:57,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:35:57,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57" (1/1) ... [2020-10-27 15:35:57,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57" (1/1) ... [2020-10-27 15:35:57,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57" (1/1) ... [2020-10-27 15:35:57,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57" (1/1) ... [2020-10-27 15:35:57,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57" (1/1) ... [2020-10-27 15:35:57,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57" (1/1) ... [2020-10-27 15:35:57,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57" (1/1) ... [2020-10-27 15:35:57,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:35:57,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:35:57,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:35:57,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:35:57,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57" (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 [2020-10-27 15:35:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:35:57,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:35:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:35:57,988 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:35:57,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:35:57,989 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:35:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:35:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:35:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:35:57,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:35:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:35:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:35:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:35:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:35:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:35:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:35:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:35:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:35:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:35:59,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:35:59,406 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:35:59,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:35:59 BoogieIcfgContainer [2020-10-27 15:35:59,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:35:59,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:35:59,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:35:59,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:35:59,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:35:56" (1/3) ... [2020-10-27 15:35:59,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5666a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:35:59, skipping insertion in model container [2020-10-27 15:35:59,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:35:57" (2/3) ... [2020-10-27 15:35:59,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5666a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:35:59, skipping insertion in model container [2020-10-27 15:35:59,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:35:59" (3/3) ... [2020-10-27 15:35:59,418 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label07.c [2020-10-27 15:35:59,432 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:35:59,437 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:35:59,452 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:35:59,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:35:59,499 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:35:59,499 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:35:59,499 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:35:59,499 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:35:59,500 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:35:59,500 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:35:59,500 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:35:59,527 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:35:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 15:35:59,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:35:59,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:35:59,545 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:35:59,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:35:59,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1195699149, now seen corresponding path program 1 times [2020-10-27 15:35:59,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:35:59,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541549497] [2020-10-27 15:35:59,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:35:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:00,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:00,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:01,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:01,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 15:36:01,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:36:01,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2078 [2020-10-27 15:36:01,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 15:36:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:36:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 15:36:01,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:36:02,737 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 15:36:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:02,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:02,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:02,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:02,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:02,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 15:36:02,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:02,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:02,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:02,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:36:02,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:03,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541549497] [2020-10-27 15:36:03,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:36:03,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 15:36:03,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199066493] [2020-10-27 15:36:03,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 15:36:03,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:03,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 15:36:03,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-27 15:36:03,049 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-27 15:36:03,322 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:36:03,639 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:36:03,822 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:36:04,006 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 15:36:04,390 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-10-27 15:36:04,852 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-10-27 15:36:05,687 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2020-10-27 15:36:06,348 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2020-10-27 15:36:07,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:07,636 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-27 15:36:07,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 15:36:07,639 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-27 15:36:07,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:07,651 INFO L225 Difference]: With dead ends: 541 [2020-10-27 15:36:07,651 INFO L226 Difference]: Without dead ends: 237 [2020-10-27 15:36:07,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-27 15:36:07,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-27 15:36:07,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-27 15:36:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 15:36:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-27 15:36:07,736 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 146 [2020-10-27 15:36:07,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:07,737 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-27 15:36:07,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 15:36:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-27 15:36:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 15:36:07,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:07,743 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:07,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:36:07,743 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:07,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:07,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1665078740, now seen corresponding path program 1 times [2020-10-27 15:36:07,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:07,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058178137] [2020-10-27 15:36:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:07,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:07,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:08,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:09,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:09,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 15:36:09,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:36:09,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2178 [2020-10-27 15:36:09,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 15:36:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-27 15:36:09,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 15:36:10,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:10,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:10,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:10,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:10,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:10,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:36:10,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:10,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:10,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:10,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:10,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:10,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:10,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:10,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:10,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:36:10,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:10,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 15:36:10,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:10,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:10,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:10,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 15:36:10,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:10,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058178137] [2020-10-27 15:36:10,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:10,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:10,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725688206] [2020-10-27 15:36:10,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:10,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:10,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:10,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:10,331 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 5 states. [2020-10-27 15:36:11,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:11,931 INFO L93 Difference]: Finished difference Result 614 states and 877 transitions. [2020-10-27 15:36:11,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:11,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2020-10-27 15:36:11,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:11,938 INFO L225 Difference]: With dead ends: 614 [2020-10-27 15:36:11,938 INFO L226 Difference]: Without dead ends: 386 [2020-10-27 15:36:11,940 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 [2020-10-27 15:36:11,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-10-27 15:36:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2020-10-27 15:36:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-10-27 15:36:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 534 transitions. [2020-10-27 15:36:12,020 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 534 transitions. Word has length 155 [2020-10-27 15:36:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:12,021 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 534 transitions. [2020-10-27 15:36:12,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 534 transitions. [2020-10-27 15:36:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-27 15:36:12,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:12,030 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:12,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:36:12,030 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:12,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:12,031 INFO L82 PathProgramCache]: Analyzing trace with hash -230391712, now seen corresponding path program 1 times [2020-10-27 15:36:12,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:12,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220544380] [2020-10-27 15:36:12,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:12,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:12,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:12,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:12,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:13,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:14,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:14,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 15:36:14,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:36:14,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1993 [2020-10-27 15:36:14,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 15:36:14,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-27 15:36:14,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:14,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:14,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:14,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:14,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:14,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:36:14,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:14,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:14,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:14,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:14,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:14,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:14,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:14,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:36:14,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:14,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 15:36:14,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:14,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:14,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:14,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:36:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:14,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:14,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:36:14,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:14,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:36:14,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:14,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:14,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:14,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:36:14,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:36:14,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220544380] [2020-10-27 15:36:14,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:14,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:36:14,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721827063] [2020-10-27 15:36:14,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:36:14,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:14,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:36:14,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:14,422 INFO L87 Difference]: Start difference. First operand 383 states and 534 transitions. Second operand 6 states. [2020-10-27 15:36:16,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:16,162 INFO L93 Difference]: Finished difference Result 1054 states and 1508 transitions. [2020-10-27 15:36:16,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:16,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-10-27 15:36:16,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:16,175 INFO L225 Difference]: With dead ends: 1054 [2020-10-27 15:36:16,175 INFO L226 Difference]: Without dead ends: 677 [2020-10-27 15:36:16,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 15:36:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2020-10-27 15:36:16,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 674. [2020-10-27 15:36:16,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-10-27 15:36:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 970 transitions. [2020-10-27 15:36:16,229 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 970 transitions. Word has length 163 [2020-10-27 15:36:16,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:16,230 INFO L481 AbstractCegarLoop]: Abstraction has 674 states and 970 transitions. [2020-10-27 15:36:16,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:36:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 970 transitions. [2020-10-27 15:36:16,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 15:36:16,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:16,234 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:16,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:36:16,235 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:16,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:16,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1539901123, now seen corresponding path program 1 times [2020-10-27 15:36:16,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:16,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360166196] [2020-10-27 15:36:16,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:16,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:16,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:16,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:17,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:18,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:18,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-27 15:36:18,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:36:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2343 [2020-10-27 15:36:18,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 15:36:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-27 15:36:18,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:18,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:18,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:18,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:18,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:18,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:18,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:18,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:18,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:18,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:18,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:18,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:18,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 15:36:18,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:18,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:18,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:18,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:18,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 15:36:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:18,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:18,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:18,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 15:36:18,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:18,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 15:36:18,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:18,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:18,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:18,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 15:36:18,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 15:36:18,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360166196] [2020-10-27 15:36:18,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:18,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:18,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145969450] [2020-10-27 15:36:18,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:18,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:18,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:18,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:18,926 INFO L87 Difference]: Start difference. First operand 674 states and 970 transitions. Second operand 5 states. [2020-10-27 15:36:20,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:20,515 INFO L93 Difference]: Finished difference Result 1933 states and 2857 transitions. [2020-10-27 15:36:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:20,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 177 [2020-10-27 15:36:20,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:20,525 INFO L225 Difference]: With dead ends: 1933 [2020-10-27 15:36:20,526 INFO L226 Difference]: Without dead ends: 1265 [2020-10-27 15:36:20,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:20,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2020-10-27 15:36:20,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 972. [2020-10-27 15:36:20,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2020-10-27 15:36:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1324 transitions. [2020-10-27 15:36:20,590 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1324 transitions. Word has length 177 [2020-10-27 15:36:20,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:20,590 INFO L481 AbstractCegarLoop]: Abstraction has 972 states and 1324 transitions. [2020-10-27 15:36:20,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:20,590 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1324 transitions. [2020-10-27 15:36:20,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-27 15:36:20,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:20,596 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:20,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:36:20,596 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:20,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:20,597 INFO L82 PathProgramCache]: Analyzing trace with hash 905930925, now seen corresponding path program 1 times [2020-10-27 15:36:20,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:20,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479295301] [2020-10-27 15:36:20,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:20,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:20,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:20,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:22,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:23,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:23,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-27 15:36:23,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:36:23,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2907 [2020-10-27 15:36:23,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:23,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 15:36:23,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 15:36:23,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:23,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:23,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:23,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:23,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:23,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:23,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:23,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:23,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:23,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:23,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:36:23,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:36:23,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:23,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:23,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:23,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:23,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:36:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:23,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:23,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:23,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:36:23,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 15:36:23,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 15:36:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:23,985 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:36:23,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479295301] [2020-10-27 15:36:23,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:23,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:23,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162828530] [2020-10-27 15:36:23,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:23,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:23,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:23,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:23,988 INFO L87 Difference]: Start difference. First operand 972 states and 1324 transitions. Second operand 5 states. [2020-10-27 15:36:24,455 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 15:36:25,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:25,602 INFO L93 Difference]: Finished difference Result 2027 states and 2823 transitions. [2020-10-27 15:36:25,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:25,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2020-10-27 15:36:25,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:25,609 INFO L225 Difference]: With dead ends: 2027 [2020-10-27 15:36:25,609 INFO L226 Difference]: Without dead ends: 975 [2020-10-27 15:36:25,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-10-27 15:36:25,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 972. [2020-10-27 15:36:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2020-10-27 15:36:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1304 transitions. [2020-10-27 15:36:25,655 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1304 transitions. Word has length 185 [2020-10-27 15:36:25,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:25,656 INFO L481 AbstractCegarLoop]: Abstraction has 972 states and 1304 transitions. [2020-10-27 15:36:25,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1304 transitions. [2020-10-27 15:36:25,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-27 15:36:25,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:25,662 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:25,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:36:25,662 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:25,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:25,663 INFO L82 PathProgramCache]: Analyzing trace with hash 2062773989, now seen corresponding path program 1 times [2020-10-27 15:36:25,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:25,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707856261] [2020-10-27 15:36:25,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:25,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:25,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:25,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:27,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:28,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:28,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-27 15:36:28,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:36:28,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2445 [2020-10-27 15:36:28,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 15:36:28,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 15:36:28,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:28,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:28,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:28,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:28,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:28,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:28,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:28,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:28,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:28,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:28,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:28,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:28,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:36:28,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:36:28,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:28,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:28,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:36:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:28,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:28,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:28,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 15:36:28,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:28,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 15:36:28,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:28,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:36:28,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 15:36:28,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707856261] [2020-10-27 15:36:28,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:28,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:28,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791695163] [2020-10-27 15:36:28,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:28,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:28,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:28,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:28,980 INFO L87 Difference]: Start difference. First operand 972 states and 1304 transitions. Second operand 5 states. [2020-10-27 15:36:29,659 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 15:36:30,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:30,739 INFO L93 Difference]: Finished difference Result 2029 states and 2779 transitions. [2020-10-27 15:36:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:30,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2020-10-27 15:36:30,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:30,751 INFO L225 Difference]: With dead ends: 2029 [2020-10-27 15:36:30,751 INFO L226 Difference]: Without dead ends: 975 [2020-10-27 15:36:30,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:30,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2020-10-27 15:36:30,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 972. [2020-10-27 15:36:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2020-10-27 15:36:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1294 transitions. [2020-10-27 15:36:30,799 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1294 transitions. Word has length 189 [2020-10-27 15:36:30,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:30,799 INFO L481 AbstractCegarLoop]: Abstraction has 972 states and 1294 transitions. [2020-10-27 15:36:30,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1294 transitions. [2020-10-27 15:36:30,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-27 15:36:30,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:30,805 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:30,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:36:30,806 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:30,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:30,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2018518527, now seen corresponding path program 1 times [2020-10-27 15:36:30,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:30,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677349753] [2020-10-27 15:36:30,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:30,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:30,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:31,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:31,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:32,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:33,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:33,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:33,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:34,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:34,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:35,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:35,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:35,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-27 15:36:35,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 15:36:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 15:36:35,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-27 15:36:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-27 15:36:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:36,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:36,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:36,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:36,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:36,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:36,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:36,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:36,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:36,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:36,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:36,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:36,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:36,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:36,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:36,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:36:36,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:36,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:36:36,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:36,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 15:36:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:36,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:36,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:36,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:36:36,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:36,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:36:36,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:36,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:36,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:36,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:36,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:36,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 15:36:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:36,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:36,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:36,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 15:36:36,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:36:36,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 15:36:36,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:36,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:36,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:36,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 15:36:36,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 90 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 15:36:36,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677349753] [2020-10-27 15:36:36,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:36,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:36,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317377286] [2020-10-27 15:36:36,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:36,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:36,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:36,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:36,462 INFO L87 Difference]: Start difference. First operand 972 states and 1294 transitions. Second operand 5 states. [2020-10-27 15:36:36,598 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 15:36:38,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:38,171 INFO L93 Difference]: Finished difference Result 2673 states and 3622 transitions. [2020-10-27 15:36:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:38,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 244 [2020-10-27 15:36:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:38,178 INFO L225 Difference]: With dead ends: 2673 [2020-10-27 15:36:38,178 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:36:38,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:38,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:36:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:36:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:36:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:36:38,186 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2020-10-27 15:36:38,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:38,186 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:36:38,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:38,186 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:36:38,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:36:38,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:36:38,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:36:38,671 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 37 [2020-10-27 15:36:38,898 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2020-10-27 15:36:39,722 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 86 [2020-10-27 15:36:39,949 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 43 [2020-10-27 15:36:40,073 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2020-10-27 15:36:40,204 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2020-10-27 15:36:40,210 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:36:40,210 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:36:40,210 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:36:40,211 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:36:40,211 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:36:40,213 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-27 15:36:40,213 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:36:40,213 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:36:40,213 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:36:40,213 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:36:40,213 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-27 15:36:40,213 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:36:40,214 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:36:40,214 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:36:40,214 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:36:40,214 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:36:40,214 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:36:40,214 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:36:40,214 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:36:40,214 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:36:40,214 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:36:40,215 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:36:40,215 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,215 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,216 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,216 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,216 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,216 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:36:40,217 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:36:40,217 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:36:40,217 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:36:40,217 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:36:40,218 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:36:40,218 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:36:40,218 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:36:40,218 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:36:40,219 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:36:40,219 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:36:40,219 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:36:40,219 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:36:40,219 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,219 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,219 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,221 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,221 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:36:40,221 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,221 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:36:40,221 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:36:40,221 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:36:40,223 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:36:40,223 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:36:40,223 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:36:40,223 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:36:40,223 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:36:40,223 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:36:40,223 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:36:40,223 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:36:40,223 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:36:40,224 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:36:40,224 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:36:40,224 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:36:40,225 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,225 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,225 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,226 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,226 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,226 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:36:40,227 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:36:40,227 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:36:40,227 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:36:40,227 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:36:40,227 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:36:40,227 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:36:40,227 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:36:40,228 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:36:40,228 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:36:40,228 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:36:40,228 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,228 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:36:40,229 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,230 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,231 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:36:40,231 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:36:40,231 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:36:40,231 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:36:40,231 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:36:40,231 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:36:40,232 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:36:40,232 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:36:40,232 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:36:40,232 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,232 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,232 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:36:40,232 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:36:40,232 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,233 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:36:40,234 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,235 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,236 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:36:40,237 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:36:40,238 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|))) (let ((.cse4 (not (= ~a21~0 1))) (.cse5 (and (= ~a28~0 |old(~a28~0)|) .cse0 .cse1 .cse2 .cse3))) (and (or (and .cse0 .cse1 .cse2 .cse3 (= ~a28~0 10)) (not (= 10 |old(~a28~0)|))) (or (not (<= |old(~a25~0)| 1)) (and (not (< 1 |old(~a19~0)|)) (not (<= |old(~a19~0)| 0))) (not (<= |old(~a11~0)| 1)) (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a17~0)| 7)) (and (<= 1 ~a11~0) (<= 7 ~a17~0) (<= 9 ~a28~0) (<= 1 ~a25~0) (<= ~a11~0 1) (<= ~a28~0 9) (<= ~a25~0 1) (<= ~a17~0 7) .cse3) (not (<= |old(~a28~0)| 9)) .cse4 (not (<= 1 |old(~a11~0)|)) (not (<= 1 |old(~a25~0)|)) (not (<= 9 |old(~a28~0)|))) (or (not (= |old(~a25~0)| 1)) (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 (= ~a19~0 1) (= 7 ~a28~0) (= ~a25~0 1)) .cse4 (not (= 7 |old(~a28~0)|))) (or .cse5 (and (not (< 1 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)))) (or (not (<= 8 |old(~a17~0)|)) .cse5) (or .cse5 (= |old(~a11~0)| 1))))) [2020-10-27 15:36:40,238 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:36:40,238 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:36:40,238 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:36:40,238 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:36:40,238 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:36:40,239 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:36:40,240 INFO L270 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 1)))) (and (not (< 1 |old(~a25~0)|)) (not (= 10 |old(~a28~0)|)) (not (<= 8 |old(~a17~0)|)) (or (and (not (< 1 |old(~a19~0)|)) (not (<= |old(~a19~0)| 0))) (not (<= 7 |old(~a17~0)|)) (not (<= |old(~a28~0)| 9)) .cse0 (not (<= 9 |old(~a28~0)|))) (not (<= |old(~a25~0)| 0)) (= |old(~a11~0)| 1) (or (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) .cse0 (not (= 7 |old(~a28~0)|))))) [2020-10-27 15:36:40,240 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:36:40,240 INFO L274 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-27 15:36:40,240 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:36:40,241 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:36:40,241 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:36:40,241 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:36:40,241 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:36:40,242 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:36:40,243 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:36:40,244 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:36:40,244 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:36:40,244 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:36:40,244 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,244 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,244 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,244 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,245 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:40,245 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:36:40,245 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:36:40,246 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:36:40,246 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:36:40,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:36:40,246 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-27 15:36:40,246 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:36:40,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:36:40,246 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (< 1 ~a25~0) (not (= 8 |old(~a17~0)|)) (not (= ~a11~0 1)) (<= ~a25~0 0) (= ~a28~0 10) (and (= 7 ~a17~0) (= ~a19~0 1) (= 7 ~a28~0)) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (and (<= 7 ~a17~0) (<= 9 ~a28~0) (<= ~a28~0 9) (or (<= ~a19~0 0) (< 1 ~a19~0))) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:36:40,247 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:36:40,247 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:36:40,247 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:36:40,247 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (< 1 ~a25~0) (not (= 8 |old(~a17~0)|)) (not (= ~a11~0 1)) (<= ~a25~0 0) (= ~a28~0 10) (and (= 7 ~a17~0) (= ~a19~0 1) (= 7 ~a28~0)) (not (= 0 |old(~a11~0)|)) (<= 8 ~a17~0) (and (<= 7 ~a17~0) (<= 9 ~a28~0) (<= ~a28~0 9) (or (<= ~a19~0 0) (< 1 ~a19~0))) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-27 15:36:40,247 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:36:40,247 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:36:40,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:36:40 BoogieIcfgContainer [2020-10-27 15:36:40,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:36:40,284 INFO L168 Benchmark]: Toolchain (without parser) took 43328.92 ms. Allocated memory was 151.0 MB in the beginning and 805.3 MB in the end (delta: 654.3 MB). Free memory was 125.9 MB in the beginning and 649.7 MB in the end (delta: -523.8 MB). Peak memory consumption was 480.9 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:40,285 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 100.7 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:36:40,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.32 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 131.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:40,287 INFO L168 Benchmark]: Boogie Preprocessor took 117.23 ms. Allocated memory is still 151.0 MB. Free memory was 131.3 MB in the beginning and 126.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:40,287 INFO L168 Benchmark]: RCFGBuilder took 1506.45 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 117.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:40,291 INFO L168 Benchmark]: TraceAbstraction took 40864.76 ms. Allocated memory was 151.0 MB in the beginning and 805.3 MB in the end (delta: 654.3 MB). Free memory was 116.7 MB in the beginning and 649.7 MB in the end (delta: -533.0 MB). Peak memory consumption was 471.5 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:40,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 100.8 MB in the beginning and 100.7 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 824.32 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 131.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 117.23 ms. Allocated memory is still 151.0 MB. Free memory was 131.3 MB in the beginning and 126.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1506.45 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 117.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 40864.76 ms. Allocated memory was 151.0 MB in the beginning and 805.3 MB in the end (delta: 654.3 MB). Free memory was 116.7 MB in the beginning and 649.7 MB in the end (delta: -533.0 MB). Peak memory consumption was 471.5 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: 608]: Loop Invariant Derived loop invariant: (((((((((((!(\old(a19) == 1) || 1 < a25) || !(8 == \old(a17))) || !(a11 == 1)) || a25 <= 0) || a28 == 10) || ((7 == a17 && a19 == 1) && 7 == a28)) || !(0 == \old(a11))) || 8 <= a17) || (((7 <= a17 && 9 <= a28) && a28 <= 9) && (a19 <= 0 || 1 < a19))) || !(a21 == 1)) || !(7 == \old(a28))) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.6s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 2621 SDslu, 245 SDs, 0 SdLazy, 4954 SolverSat, 745 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 50 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=972occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 308 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 107 PreInvPairs, 137 NumberOfFragments, 543 HoareAnnotationTreeSize, 107 FomulaSimplifications, 29426 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1869 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.9s InterpolantComputationTime, 1259 NumberOfCodeBlocks, 1259 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1252 ConstructedInterpolants, 0 QuantifiedInterpolants, 1837400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 259/271 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...