/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_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:36:12,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:36:12,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:36:12,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:36:12,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:36:12,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:36:12,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:36:12,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:36:12,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:36:12,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:36:12,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:36:12,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:36:12,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:36:12,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:36:12,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:36:12,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:36:12,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:36:12,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:36:12,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:36:12,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:36:12,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:36:12,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:36:12,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:36:12,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:36:12,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:36:12,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:36:12,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:36:12,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:36:12,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:36:12,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:36:12,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:36:12,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:36:12,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:36:12,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:36:12,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:36:12,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:36:12,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:36:12,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:36:12,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:36:12,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:36:12,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:36:12,420 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 15:36:12,447 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:36:12,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:36:12,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:36:12,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:36:12,450 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:36:12,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:36:12,450 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:36:12,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:36:12,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:36:12,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:36:12,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:36:12,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:36:12,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:36:12,452 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:36:12,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:36:12,452 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:36:12,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:36:12,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:36:12,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:36:12,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:36:12,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:36:12,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:36:12,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:36:12,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:36:12,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:36:12,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:36:12,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:36:12,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:36:12,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:36:12,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:36:12,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:36:12,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:36:12,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:36:12,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:36:12,962 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:36:12,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-10-27 15:36:13,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50ce52f3c/cf957553832c44d3bad8a44627627b89/FLAG5d4944d88 [2020-10-27 15:36:13,832 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:36:13,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label11.c [2020-10-27 15:36:13,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50ce52f3c/cf957553832c44d3bad8a44627627b89/FLAG5d4944d88 [2020-10-27 15:36:14,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50ce52f3c/cf957553832c44d3bad8a44627627b89 [2020-10-27 15:36:14,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:36:14,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:36:14,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:36:14,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:36:14,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:36:14,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:36:14" (1/1) ... [2020-10-27 15:36:14,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df18323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14, skipping insertion in model container [2020-10-27 15:36:14,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:36:14" (1/1) ... [2020-10-27 15:36:14,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:36:14,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:36:14,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:36:14,595 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:36:14,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:36:14,752 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:36:14,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14 WrapperNode [2020-10-27 15:36:14,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:36:14,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:36:14,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:36:14,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:36:14,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14" (1/1) ... [2020-10-27 15:36:14,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14" (1/1) ... [2020-10-27 15:36:14,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14" (1/1) ... [2020-10-27 15:36:14,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14" (1/1) ... [2020-10-27 15:36:14,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14" (1/1) ... [2020-10-27 15:36:14,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14" (1/1) ... [2020-10-27 15:36:14,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14" (1/1) ... [2020-10-27 15:36:14,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:36:14,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:36:14,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:36:14,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:36:14,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14" (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 15:36:15,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:36:15,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:36:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:36:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:36:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:36:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:36:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:36:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:36:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:36:15,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:36:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:36:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:36:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:36:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:36:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:36:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:36:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:36:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:36:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:36:16,441 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:36:16,441 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:36:16,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:36:16 BoogieIcfgContainer [2020-10-27 15:36:16,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:36:16,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:36:16,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:36:16,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:36:16,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:36:14" (1/3) ... [2020-10-27 15:36:16,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f780568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:36:16, skipping insertion in model container [2020-10-27 15:36:16,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:36:14" (2/3) ... [2020-10-27 15:36:16,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f780568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:36:16, skipping insertion in model container [2020-10-27 15:36:16,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:36:16" (3/3) ... [2020-10-27 15:36:16,453 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2020-10-27 15:36:16,465 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:36:16,471 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:36:16,484 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:36:16,517 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:36:16,517 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:36:16,517 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:36:16,517 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:36:16,518 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:36:16,518 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:36:16,518 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:36:16,518 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:36:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-27 15:36:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-27 15:36:16,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:16,562 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] [2020-10-27 15:36:16,562 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:16,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:16,569 INFO L82 PathProgramCache]: Analyzing trace with hash 59074621, now seen corresponding path program 1 times [2020-10-27 15:36:16,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:16,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116334153] [2020-10-27 15:36:16,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:16,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:17,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:18,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:18,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-27 15:36:18,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:36:18,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1791 [2020-10-27 15:36:18,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:18,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 15:36:18,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:36:18,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-27 15:36:18,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:36:18,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:18,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:19,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:19,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:19,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:19,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 15:36:19,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:19,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:36:19,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:19,248 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 15:36:19,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116334153] [2020-10-27 15:36:19,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:36:19,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 15:36:19,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956601268] [2020-10-27 15:36:19,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 15:36:19,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:19,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 15:36:19,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 15:36:19,290 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-27 15:36:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:21,416 INFO L93 Difference]: Finished difference Result 676 states and 1131 transitions. [2020-10-27 15:36:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:21,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2020-10-27 15:36:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:21,435 INFO L225 Difference]: With dead ends: 676 [2020-10-27 15:36:21,436 INFO L226 Difference]: Without dead ends: 342 [2020-10-27 15:36:21,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:21,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-27 15:36:21,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2020-10-27 15:36:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-27 15:36:21,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 481 transitions. [2020-10-27 15:36:21,537 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 481 transitions. Word has length 115 [2020-10-27 15:36:21,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:21,538 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 481 transitions. [2020-10-27 15:36:21,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 15:36:21,538 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 481 transitions. [2020-10-27 15:36:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 15:36:21,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:21,544 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 15:36:21,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:36:21,545 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:21,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:21,546 INFO L82 PathProgramCache]: Analyzing trace with hash 403560841, now seen corresponding path program 1 times [2020-10-27 15:36:21,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:21,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465890321] [2020-10-27 15:36:21,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:21,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:21,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:22,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:23,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:23,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:23,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 15:36:23,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:36:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1764 [2020-10-27 15:36:23,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:36:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 15:36:23,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-10-27 15:36:23,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:23,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:23,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:23,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:23,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:23,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 15:36:23,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:23,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:23,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:23,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:23,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:23,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:36:23,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:23,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:23,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:23,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:36:23,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:23,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465890321] [2020-10-27 15:36:23,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:23,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:23,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122459138] [2020-10-27 15:36:23,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:23,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:23,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:23,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:23,748 INFO L87 Difference]: Start difference. First operand 333 states and 481 transitions. Second operand 5 states. [2020-10-27 15:36:24,015 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 15:36:25,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:25,455 INFO L93 Difference]: Finished difference Result 753 states and 1133 transitions. [2020-10-27 15:36:25,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:25,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2020-10-27 15:36:25,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:25,462 INFO L225 Difference]: With dead ends: 753 [2020-10-27 15:36:25,463 INFO L226 Difference]: Without dead ends: 339 [2020-10-27 15:36:25,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 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 15:36:25,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-27 15:36:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 333. [2020-10-27 15:36:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-27 15:36:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 477 transitions. [2020-10-27 15:36:25,497 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 477 transitions. Word has length 123 [2020-10-27 15:36:25,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:25,497 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 477 transitions. [2020-10-27 15:36:25,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 477 transitions. [2020-10-27 15:36:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 15:36:25,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:25,502 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:25,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:36:25,503 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:25,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:25,503 INFO L82 PathProgramCache]: Analyzing trace with hash -282712019, now seen corresponding path program 1 times [2020-10-27 15:36:25,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:25,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [604276658] [2020-10-27 15:36:25,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:25,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:25,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:27,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:27,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:28,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:28,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 15:36:28,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:36:28,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3286 [2020-10-27 15:36:28,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 15:36:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 15:36:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 15:36:28,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:29,371 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-10-27 15:36:29,503 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-10-27 15:36:29,659 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2020-10-27 15:36:29,827 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 30 [2020-10-27 15:36:29,990 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 28 [2020-10-27 15:36:30,153 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 25 [2020-10-27 15:36:30,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:30,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:30,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:30,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:30,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:36:30,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:30,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:30,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:30,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:30,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 15:36:30,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:30,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:36:30,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:30,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:30,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 15:36:30,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:30,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:30,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [604276658] [2020-10-27 15:36:30,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:30,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 15:36:30,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324407539] [2020-10-27 15:36:30,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:36:30,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:30,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:36:30,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:36:30,492 INFO L87 Difference]: Start difference. First operand 333 states and 477 transitions. Second operand 12 states. [2020-10-27 15:36:30,830 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 15:36:31,061 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 15:36:31,581 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 109 [2020-10-27 15:36:32,127 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2020-10-27 15:36:32,797 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2020-10-27 15:36:33,544 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-10-27 15:36:34,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:34,256 INFO L93 Difference]: Finished difference Result 733 states and 1090 transitions. [2020-10-27 15:36:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 15:36:34,257 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 125 [2020-10-27 15:36:34,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:34,263 INFO L225 Difference]: With dead ends: 733 [2020-10-27 15:36:34,264 INFO L226 Difference]: Without dead ends: 406 [2020-10-27 15:36:34,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-27 15:36:34,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-10-27 15:36:34,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 400. [2020-10-27 15:36:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-10-27 15:36:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 551 transitions. [2020-10-27 15:36:34,317 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 551 transitions. Word has length 125 [2020-10-27 15:36:34,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:34,318 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 551 transitions. [2020-10-27 15:36:34,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:36:34,318 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 551 transitions. [2020-10-27 15:36:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 15:36:34,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:34,324 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 15:36:34,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:36:34,324 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:34,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:34,325 INFO L82 PathProgramCache]: Analyzing trace with hash 716160390, now seen corresponding path program 1 times [2020-10-27 15:36:34,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:34,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889886817] [2020-10-27 15:36:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:34,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:34,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:34,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:35,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:35,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 15:36:35,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:36:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1346 [2020-10-27 15:36:35,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:35,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 15:36:35,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 15:36:35,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:35,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:35,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:35,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:35,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:35,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:35,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:36:35,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:35,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:35,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:35,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:35,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:35,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:35,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 15:36:35,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:35,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 15:36:35,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 15:36:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:35,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889886817] [2020-10-27 15:36:35,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:35,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:35,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316386255] [2020-10-27 15:36:35,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:35,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:35,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:35,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:35,963 INFO L87 Difference]: Start difference. First operand 400 states and 551 transitions. Second operand 5 states. [2020-10-27 15:36:37,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:37,660 INFO L93 Difference]: Finished difference Result 1093 states and 1556 transitions. [2020-10-27 15:36:37,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:37,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-10-27 15:36:37,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:37,666 INFO L225 Difference]: With dead ends: 1093 [2020-10-27 15:36:37,667 INFO L226 Difference]: Without dead ends: 699 [2020-10-27 15:36:37,668 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 15:36:37,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-10-27 15:36:37,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 547. [2020-10-27 15:36:37,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-27 15:36:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 777 transitions. [2020-10-27 15:36:37,698 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 777 transitions. Word has length 128 [2020-10-27 15:36:37,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:37,698 INFO L481 AbstractCegarLoop]: Abstraction has 547 states and 777 transitions. [2020-10-27 15:36:37,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 777 transitions. [2020-10-27 15:36:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-27 15:36:37,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:37,703 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:37,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:36:37,703 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:37,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:37,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1886649494, now seen corresponding path program 1 times [2020-10-27 15:36:37,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:37,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [673945173] [2020-10-27 15:36:37,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:37,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:37,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:38,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:38,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:38,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:38,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-27 15:36:38,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:36:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1134 [2020-10-27 15:36:38,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 15:36:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 15:36:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:39,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:39,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:39,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:39,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:39,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:39,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:39,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:39,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:39,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:39,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:39,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:39,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:39,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 15:36:39,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:39,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 15:36:39,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 15:36:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:36:39,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:39,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [673945173] [2020-10-27 15:36:39,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:39,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:39,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293114842] [2020-10-27 15:36:39,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:39,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:39,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:39,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:39,300 INFO L87 Difference]: Start difference. First operand 547 states and 777 transitions. Second operand 5 states. [2020-10-27 15:36:39,624 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:36:41,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:41,019 INFO L93 Difference]: Finished difference Result 1191 states and 1739 transitions. [2020-10-27 15:36:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:41,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-10-27 15:36:41,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:41,024 INFO L225 Difference]: With dead ends: 1191 [2020-10-27 15:36:41,025 INFO L226 Difference]: Without dead ends: 553 [2020-10-27 15:36:41,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 15:36:41,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-10-27 15:36:41,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2020-10-27 15:36:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-10-27 15:36:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 772 transitions. [2020-10-27 15:36:41,061 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 772 transitions. Word has length 130 [2020-10-27 15:36:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:41,062 INFO L481 AbstractCegarLoop]: Abstraction has 547 states and 772 transitions. [2020-10-27 15:36:41,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 772 transitions. [2020-10-27 15:36:41,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 15:36:41,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:41,065 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:41,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:36:41,065 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:41,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:41,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1845963604, now seen corresponding path program 1 times [2020-10-27 15:36:41,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:41,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261914006] [2020-10-27 15:36:41,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:41,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:41,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:42,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:42,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 15:36:42,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:36:42,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1202 [2020-10-27 15:36:42,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-27 15:36:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 15:36:42,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:42,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:42,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:42,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:42,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:42,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:42,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:36:42,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:42,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:42,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:42,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:42,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:42,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 15:36:42,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:42,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 15:36:42,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:42,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:42,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 15:36:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:42,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261914006] [2020-10-27 15:36:42,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:42,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:42,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68375202] [2020-10-27 15:36:42,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:42,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:42,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:42,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:42,632 INFO L87 Difference]: Start difference. First operand 547 states and 772 transitions. Second operand 5 states. [2020-10-27 15:36:44,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:44,482 INFO L93 Difference]: Finished difference Result 1545 states and 2258 transitions. [2020-10-27 15:36:44,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:44,484 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-27 15:36:44,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:44,493 INFO L225 Difference]: With dead ends: 1545 [2020-10-27 15:36:44,494 INFO L226 Difference]: Without dead ends: 1004 [2020-10-27 15:36:44,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 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 15:36:44,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-10-27 15:36:44,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 991. [2020-10-27 15:36:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-10-27 15:36:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1381 transitions. [2020-10-27 15:36:44,549 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1381 transitions. Word has length 141 [2020-10-27 15:36:44,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:44,549 INFO L481 AbstractCegarLoop]: Abstraction has 991 states and 1381 transitions. [2020-10-27 15:36:44,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1381 transitions. [2020-10-27 15:36:44,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-27 15:36:44,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:44,554 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:36:44,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:36:44,555 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:44,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:44,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1566062748, now seen corresponding path program 1 times [2020-10-27 15:36:44,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:44,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2132650895] [2020-10-27 15:36:44,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:44,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:44,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:45,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:45,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:46,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:46,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-27 15:36:46,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:36:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1479 [2020-10-27 15:36:46,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 15:36:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 15:36:46,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:46,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:46,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:46,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:46,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:46,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:36:46,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:46,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:46,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:46,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 15:36:46,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:46,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 15:36:46,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 15:36:46,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:46,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2132650895] [2020-10-27 15:36:46,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:46,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:36:46,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704660489] [2020-10-27 15:36:46,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:36:46,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:46,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:36:46,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:36:46,423 INFO L87 Difference]: Start difference. First operand 991 states and 1381 transitions. Second operand 5 states. [2020-10-27 15:36:46,889 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 15:36:48,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:48,134 INFO L93 Difference]: Finished difference Result 2068 states and 2945 transitions. [2020-10-27 15:36:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:36:48,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-27 15:36:48,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:48,143 INFO L225 Difference]: With dead ends: 2068 [2020-10-27 15:36:48,143 INFO L226 Difference]: Without dead ends: 995 [2020-10-27 15:36:48,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 15:36:48,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2020-10-27 15:36:48,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 991. [2020-10-27 15:36:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-10-27 15:36:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1369 transitions. [2020-10-27 15:36:48,194 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1369 transitions. Word has length 145 [2020-10-27 15:36:48,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:48,195 INFO L481 AbstractCegarLoop]: Abstraction has 991 states and 1369 transitions. [2020-10-27 15:36:48,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:36:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1369 transitions. [2020-10-27 15:36:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 15:36:48,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:36:48,200 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:48,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 15:36:48,200 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:36:48,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:36:48,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1800193760, now seen corresponding path program 1 times [2020-10-27 15:36:48,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:36:48,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23496223] [2020-10-27 15:36:48,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:36:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:48,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:48,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:48,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:48,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:49,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:50,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:50,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 15:36:50,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:36:50,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1835 [2020-10-27 15:36:50,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:50,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:36:50,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 15:36:50,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 15:36:50,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:50,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:36:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:50,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:50,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:50,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:36:50,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:36:50,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:36:50,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:50,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:36:50,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:36:50,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:36:50,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:36:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:36:50,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:50,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:36:50,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:36:50,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 15:36:50,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:36:50,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 15:36:50,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:36:50,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:36:50,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 15:36:50,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:36:50,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:36:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:36:50,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23496223] [2020-10-27 15:36:50,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:36:50,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 15:36:50,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622716473] [2020-10-27 15:36:50,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 15:36:50,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:36:50,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 15:36:50,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:36:50,393 INFO L87 Difference]: Start difference. First operand 991 states and 1369 transitions. Second operand 6 states. [2020-10-27 15:36:53,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:36:53,410 INFO L93 Difference]: Finished difference Result 3144 states and 4576 transitions. [2020-10-27 15:36:53,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 15:36:53,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2020-10-27 15:36:53,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:36:53,417 INFO L225 Difference]: With dead ends: 3144 [2020-10-27 15:36:53,417 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:36:53,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-27 15:36:53,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:36:53,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:36:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:36:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:36:53,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2020-10-27 15:36:53,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:36:53,427 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:36:53,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 15:36:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:36:53,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:36:53,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 15:36:53,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:36:54,079 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-10-27 15:36:54,242 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 21 [2020-10-27 15:36:54,365 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2020-10-27 15:36:55,042 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-10-27 15:36:55,195 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:36:55,196 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:36:55,196 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:36:55,196 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:36:55,196 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:36:55,197 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 15:36:55,197 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:36:55,197 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-27 15:36:55,198 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-27 15:36:55,198 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-27 15:36:55,198 INFO L270 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (and (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (or (not (= |old(~a25~0)| 1)) (not (= 7 |old(~a17~0)|)) (not (= 9 |old(~a28~0)|)) (not (= ~a21~0 1)) (not (= |old(~a11~0)| 1)))) [2020-10-27 15:36:55,198 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-27 15:36:55,198 INFO L274 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-10-27 15:36:55,198 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-27 15:36:55,198 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-27 15:36:55,199 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:36:55,199 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-27 15:36:55,199 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-27 15:36:55,199 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-27 15:36:55,199 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:36:55,199 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-27 15:36:55,199 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-27 15:36:55,199 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-27 15:36:55,200 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,200 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,200 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,200 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,200 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,200 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-27 15:36:55,200 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-27 15:36:55,200 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-27 15:36:55,200 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-27 15:36:55,201 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-27 15:36:55,201 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-27 15:36:55,201 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-27 15:36:55,201 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-27 15:36:55,201 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-27 15:36:55,201 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-27 15:36:55,201 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:36:55,201 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-27 15:36:55,201 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-27 15:36:55,202 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:36:55,203 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-27 15:36:55,204 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-27 15:36:55,204 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,204 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,204 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,204 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,204 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,204 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:36:55,204 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-27 15:36:55,204 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-27 15:36:55,205 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-27 15:36:55,205 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-27 15:36:55,205 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-27 15:36:55,205 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-27 15:36:55,205 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-27 15:36:55,205 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-27 15:36:55,205 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-27 15:36:55,205 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-27 15:36:55,206 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-27 15:36:55,207 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-27 15:36:55,207 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-27 15:36:55,207 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-27 15:36:55,207 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-27 15:36:55,207 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-27 15:36:55,207 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-27 15:36:55,207 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-27 15:36:55,207 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-27 15:36:55,207 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,208 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,208 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,208 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,208 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,208 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-27 15:36:55,208 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-27 15:36:55,208 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-27 15:36:55,208 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-27 15:36:55,208 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-27 15:36:55,209 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-27 15:36:55,210 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-27 15:36:55,210 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-27 15:36:55,210 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-27 15:36:55,210 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,210 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,210 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-27 15:36:55,210 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-27 15:36:55,210 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-27 15:36:55,210 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-27 15:36:55,211 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:36:55,211 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-27 15:36:55,211 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-27 15:36:55,211 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,211 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,211 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,211 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,211 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-27 15:36:55,211 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,212 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:36:55,212 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,212 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:36:55,212 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-27 15:36:55,212 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-27 15:36:55,213 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 15:36:55,213 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-27 15:36:55,213 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-27 15:36:55,213 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-27 15:36:55,213 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-27 15:36:55,213 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-27 15:36:55,213 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-27 15:36:55,213 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,214 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-27 15:36:55,215 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-27 15:36:55,215 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-27 15:36:55,216 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-27 15:36:55,216 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-27 15:36:55,216 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-27 15:36:55,216 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-27 15:36:55,216 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-27 15:36:55,216 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-27 15:36:55,217 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-27 15:36:55,218 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-27 15:36:55,218 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-27 15:36:55,218 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-27 15:36:55,218 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-27 15:36:55,218 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-27 15:36:55,218 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|))) (let ((.cse5 (and .cse0 .cse1 .cse2 .cse3 .cse4))) (and (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 (= ~a19~0 1) .cse3)) (or (not (= |old(~a25~0)| 1)) (not (= 7 |old(~a17~0)|)) (and .cse1 .cse2 (= ~a25~0 1) (= ~a28~0 9) .cse4) (not (= 9 |old(~a28~0)|)) (not (= ~a21~0 1)) (not (= |old(~a11~0)| 1))) (or (not (<= 8 |old(~a17~0)|)) .cse5) (or .cse5 (not (= 0 |old(~a25~0)|)))))) [2020-10-27 15:36:55,218 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-27 15:36:55,219 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-27 15:36:55,219 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-27 15:36:55,219 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-27 15:36:55,219 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-27 15:36:55,219 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-27 15:36:55,219 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-27 15:36:55,219 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,219 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,219 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-27 15:36:55,220 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-27 15:36:55,221 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-27 15:36:55,221 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-27 15:36:55,221 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-27 15:36:55,221 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-27 15:36:55,221 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-27 15:36:55,221 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-27 15:36:55,221 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,221 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,221 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-27 15:36:55,222 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-27 15:36:55,223 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-27 15:36:55,223 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-27 15:36:55,223 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-27 15:36:55,223 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-27 15:36:55,223 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:36:55,223 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-27 15:36:55,223 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-27 15:36:55,223 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-27 15:36:55,223 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-27 15:36:55,224 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:36:55,225 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (<= 8 ~a17~0) (not (= ~a11~0 1))) [2020-10-27 15:36:55,225 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:36:55,225 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:36:55,225 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a25~0 0) (= ~a19~0 1) (<= 8 ~a17~0) (not (= 0 |old(~a25~0)|)) (= |old(~a11~0)| 1) (and (= 7 ~a17~0) (= ~a21~0 1) (= ~a25~0 1) (= ~a28~0 9) (= ~a11~0 1))) [2020-10-27 15:36:55,225 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (= |old(~a11~0)| 1) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-10-27 15:36:55,225 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:36:55,226 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-27 15:36:55,226 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a25~0 0) (= ~a19~0 1) (<= 8 ~a17~0) (not (= 0 |old(~a25~0)|)) (= |old(~a11~0)| 1) (and (= 7 ~a17~0) (= ~a21~0 1) (= ~a25~0 1) (= ~a28~0 9) (= ~a11~0 1))) [2020-10-27 15:36:55,226 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 15:36:55,226 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-27 15:36:55,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:36:55 BoogieIcfgContainer [2020-10-27 15:36:55,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:36:55,248 INFO L168 Benchmark]: Toolchain (without parser) took 41207.41 ms. Allocated memory was 125.8 MB in the beginning and 653.3 MB in the end (delta: 527.4 MB). Free memory was 99.3 MB in the beginning and 457.1 MB in the end (delta: -357.8 MB). Peak memory consumption was 323.0 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:55,249 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 125.8 MB. Free memory is still 86.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:36:55,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.59 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 98.8 MB in the beginning and 130.2 MB in the end (delta: -31.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:55,250 INFO L168 Benchmark]: Boogie Preprocessor took 141.01 ms. Allocated memory is still 151.0 MB. Free memory was 130.2 MB in the beginning and 125.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:55,251 INFO L168 Benchmark]: RCFGBuilder took 1546.58 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 68.9 MB in the end (delta: 56.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:55,252 INFO L168 Benchmark]: TraceAbstraction took 38800.60 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 68.4 MB in the beginning and 457.1 MB in the end (delta: -388.7 MB). Peak memory consumption was 266.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:36:55,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 125.8 MB. Free memory is still 86.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 706.59 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 98.8 MB in the beginning and 130.2 MB in the end (delta: -31.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 141.01 ms. Allocated memory is still 151.0 MB. Free memory was 130.2 MB in the beginning and 125.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1546.58 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 68.9 MB in the end (delta: 56.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38800.60 ms. Allocated memory was 151.0 MB in the beginning and 653.3 MB in the end (delta: 502.3 MB). Free memory was 68.4 MB in the beginning and 457.1 MB in the end (delta: -388.7 MB). Peak memory consumption was 266.1 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) || !(8 <= \old(a17))) || a25 == 0) || a19 == 1) || 8 <= a17) || !(0 == \old(a25))) || \old(a11) == 1) || ((((7 == a17 && a21 == 1) && a25 == 1) && a28 == 9) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.9s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 289 SDtfs, 2816 SDslu, 328 SDs, 0 SdLazy, 6556 SolverSat, 902 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=991occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 196 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 112 PreInvPairs, 150 NumberOfFragments, 347 HoareAnnotationTreeSize, 112 FomulaSimplifications, 174555 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2317 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 1080 NumberOfCodeBlocks, 1080 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1072 ConstructedInterpolants, 0 QuantifiedInterpolants, 1305838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 130/137 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...