/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:57:14,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:57:14,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:57:14,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:57:14,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:57:14,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:57:14,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:57:14,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:57:14,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:57:14,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:57:14,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:57:14,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:57:14,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:57:14,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:57:14,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:57:14,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:57:14,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:57:14,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:57:14,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:57:14,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:57:14,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:57:14,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:57:14,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:57:14,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:57:14,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:57:14,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:57:14,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:57:14,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:57:14,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:57:14,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:57:14,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:57:14,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:57:14,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:57:14,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:57:14,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:57:14,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:57:14,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:57:14,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:57:14,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:57:14,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:57:14,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:57:14,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:57:14,500 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:57:14,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:57:14,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:57:14,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:57:14,502 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:57:14,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:57:14,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:57:14,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:57:14,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:57:14,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:57:14,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:57:14,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:57:14,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:57:14,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:57:14,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:57:14,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:57:14,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:57:14,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:57:14,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:57:14,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:57:14,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:57:14,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:57:14,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:57:14,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:57:14,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:57:14,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:57:14,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:57:14,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:57:14,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:57:14,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:57:14,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:57:14,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:57:14,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:57:14,912 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:57:14,913 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:57:14,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label32.c [2020-10-29 04:57:14,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/089622357/4e4d3b70f5d9480ca0d4aceae4fc5dab/FLAG304dc2b53 [2020-10-29 04:57:15,867 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:57:15,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem03_label32.c [2020-10-29 04:57:15,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/089622357/4e4d3b70f5d9480ca0d4aceae4fc5dab/FLAG304dc2b53 [2020-10-29 04:57:15,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/089622357/4e4d3b70f5d9480ca0d4aceae4fc5dab [2020-10-29 04:57:15,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:57:15,957 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:57:15,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:57:15,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:57:15,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:57:15,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:57:15" (1/1) ... [2020-10-29 04:57:15,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101aeede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:15, skipping insertion in model container [2020-10-29 04:57:15,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:57:15" (1/1) ... [2020-10-29 04:57:15,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:57:16,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:57:16,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:57:16,847 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:57:17,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:57:17,090 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:57:17,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17 WrapperNode [2020-10-29 04:57:17,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:57:17,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:57:17,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:57:17,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:57:17,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17" (1/1) ... [2020-10-29 04:57:17,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17" (1/1) ... [2020-10-29 04:57:17,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17" (1/1) ... [2020-10-29 04:57:17,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17" (1/1) ... [2020-10-29 04:57:17,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17" (1/1) ... [2020-10-29 04:57:17,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17" (1/1) ... [2020-10-29 04:57:17,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17" (1/1) ... [2020-10-29 04:57:17,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:57:17,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:57:17,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:57:17,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:57:17,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:57:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:57:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:57:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:57:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:57:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:57:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:57:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:57:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:57:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:57:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:57:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:57:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:57:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:57:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:57:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:57:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:57:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:57:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:57:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:57:19,514 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:57:19,515 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:57:19,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:57:19 BoogieIcfgContainer [2020-10-29 04:57:19,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:57:19,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:57:19,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:57:19,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:57:19,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:57:15" (1/3) ... [2020-10-29 04:57:19,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6424de00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:57:19, skipping insertion in model container [2020-10-29 04:57:19,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:57:17" (2/3) ... [2020-10-29 04:57:19,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6424de00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:57:19, skipping insertion in model container [2020-10-29 04:57:19,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:57:19" (3/3) ... [2020-10-29 04:57:19,526 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label32.c [2020-10-29 04:57:19,538 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:57:19,543 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:57:19,556 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:57:19,585 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:57:19,586 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:57:19,586 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:57:19,586 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:57:19,586 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:57:19,586 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:57:19,586 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:57:19,586 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:57:19,609 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-29 04:57:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-29 04:57:19,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:19,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:19,629 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:19,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:19,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1637693792, now seen corresponding path program 1 times [2020-10-29 04:57:19,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:19,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904572397] [2020-10-29 04:57:19,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:20,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:21,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:23,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:23,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-29 04:57:23,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:57:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3692 [2020-10-29 04:57:23,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:23,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:57:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:57:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-29 04:57:23,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:57:24,199 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:57:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:57:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:24,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:24,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:24,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:57:24,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 04:57:24,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:24,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:57:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:57:24,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:57:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:57:24,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904572397] [2020-10-29 04:57:24,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:57:24,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:57:24,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129882595] [2020-10-29 04:57:24,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:57:24,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:57:24,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:57:24,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:57:24,467 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 4 states. [2020-10-29 04:57:24,742 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:57:28,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:57:28,054 INFO L93 Difference]: Finished difference Result 889 states and 1542 transitions. [2020-10-29 04:57:28,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:57:28,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 196 [2020-10-29 04:57:28,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:57:28,092 INFO L225 Difference]: With dead ends: 889 [2020-10-29 04:57:28,092 INFO L226 Difference]: Without dead ends: 481 [2020-10-29 04:57:28,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:57:28,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-10-29 04:57:28,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 476. [2020-10-29 04:57:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-29 04:57:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 729 transitions. [2020-10-29 04:57:28,233 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 729 transitions. Word has length 196 [2020-10-29 04:57:28,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:57:28,241 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 729 transitions. [2020-10-29 04:57:28,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:57:28,241 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 729 transitions. [2020-10-29 04:57:28,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-29 04:57:28,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:28,253 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:28,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:57:28,257 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:28,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:28,258 INFO L82 PathProgramCache]: Analyzing trace with hash 442196753, now seen corresponding path program 1 times [2020-10-29 04:57:28,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:28,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934714011] [2020-10-29 04:57:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:28,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:28,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:29,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:30,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:32,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:32,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-29 04:57:32,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:57:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4088 [2020-10-29 04:57:32,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:32,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:32,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:57:32,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 04:57:32,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-29 04:57:32,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:57:33,278 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:57:33,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:57:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:33,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:33,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:33,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:57:33,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:33,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:57:33,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:33,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:57:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:57:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 04:57:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:57:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:33,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:33,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:33,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 04:57:33,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:57:33,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:33,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:57:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 04:57:33,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:57:34,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:57:34,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934714011] [2020-10-29 04:57:34,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:57:34,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:57:34,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918388464] [2020-10-29 04:57:34,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:57:34,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:57:34,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:57:34,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:57:34,250 INFO L87 Difference]: Start difference. First operand 476 states and 729 transitions. Second operand 5 states. [2020-10-29 04:57:34,772 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-29 04:57:37,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:57:37,693 INFO L93 Difference]: Finished difference Result 1139 states and 1794 transitions. [2020-10-29 04:57:37,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:57:37,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 205 [2020-10-29 04:57:37,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:57:37,700 INFO L225 Difference]: With dead ends: 1139 [2020-10-29 04:57:37,700 INFO L226 Difference]: Without dead ends: 619 [2020-10-29 04:57:37,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:57:37,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-10-29 04:57:37,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 614. [2020-10-29 04:57:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-29 04:57:37,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 873 transitions. [2020-10-29 04:57:37,762 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 873 transitions. Word has length 205 [2020-10-29 04:57:37,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:57:37,764 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 873 transitions. [2020-10-29 04:57:37,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:57:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 873 transitions. [2020-10-29 04:57:37,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-29 04:57:37,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:37,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:37,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:57:37,770 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:37,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:37,774 INFO L82 PathProgramCache]: Analyzing trace with hash -990772161, now seen corresponding path program 1 times [2020-10-29 04:57:37,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:37,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227029819] [2020-10-29 04:57:37,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:37,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:38,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:38,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:40,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:40,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-29 04:57:40,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:57:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2903 [2020-10-29 04:57:40,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:40,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:40,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:57:40,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 04:57:40,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-29 04:57:40,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:57:41,045 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:57:41,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:57:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:41,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:41,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:41,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:57:41,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:41,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:57:41,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:41,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:57:41,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:41,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:57:41,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:57:41,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:57:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:41,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:41,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:41,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 04:57:41,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 04:57:41,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:41,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:57:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 04:57:41,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:57:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:57:41,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227029819] [2020-10-29 04:57:41,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:57:41,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:57:41,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38438469] [2020-10-29 04:57:41,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:57:41,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:57:41,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:57:41,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:57:41,273 INFO L87 Difference]: Start difference. First operand 614 states and 873 transitions. Second operand 5 states. [2020-10-29 04:57:41,658 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:57:44,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:57:44,612 INFO L93 Difference]: Finished difference Result 1649 states and 2425 transitions. [2020-10-29 04:57:44,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:57:44,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 208 [2020-10-29 04:57:44,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:57:44,622 INFO L225 Difference]: With dead ends: 1649 [2020-10-29 04:57:44,622 INFO L226 Difference]: Without dead ends: 1041 [2020-10-29 04:57:44,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:57:44,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2020-10-29 04:57:44,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1034. [2020-10-29 04:57:44,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2020-10-29 04:57:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1369 transitions. [2020-10-29 04:57:44,687 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1369 transitions. Word has length 208 [2020-10-29 04:57:44,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:57:44,688 INFO L481 AbstractCegarLoop]: Abstraction has 1034 states and 1369 transitions. [2020-10-29 04:57:44,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:57:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1369 transitions. [2020-10-29 04:57:44,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-29 04:57:44,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:44,695 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:44,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:57:44,697 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:44,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:44,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1517706893, now seen corresponding path program 1 times [2020-10-29 04:57:44,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:44,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876756854] [2020-10-29 04:57:44,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:44,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:45,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:46,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-29 04:57:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:57:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2560 [2020-10-29 04:57:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:47,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:57:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 04:57:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-29 04:57:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:57:47,677 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:57:47,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:57:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:47,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:47,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:47,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:57:47,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:47,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:57:47,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:47,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:57:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:57:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:57:47,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:57:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:47,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:47,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:47,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 04:57:47,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 04:57:47,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:47,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:57:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 04:57:47,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:57:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:57:47,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876756854] [2020-10-29 04:57:47,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:57:47,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:57:47,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6479706] [2020-10-29 04:57:47,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:57:47,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:57:47,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:57:47,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:57:47,955 INFO L87 Difference]: Start difference. First operand 1034 states and 1369 transitions. Second operand 5 states. [2020-10-29 04:57:48,294 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:57:51,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:57:51,644 INFO L93 Difference]: Finished difference Result 2928 states and 3979 transitions. [2020-10-29 04:57:51,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:57:51,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 214 [2020-10-29 04:57:51,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:57:51,658 INFO L225 Difference]: With dead ends: 2928 [2020-10-29 04:57:51,658 INFO L226 Difference]: Without dead ends: 1900 [2020-10-29 04:57:51,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:57:51,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2020-10-29 04:57:51,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1878. [2020-10-29 04:57:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1878 states. [2020-10-29 04:57:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2525 transitions. [2020-10-29 04:57:51,740 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2525 transitions. Word has length 214 [2020-10-29 04:57:51,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:57:51,741 INFO L481 AbstractCegarLoop]: Abstraction has 1878 states and 2525 transitions. [2020-10-29 04:57:51,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:57:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2525 transitions. [2020-10-29 04:57:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-29 04:57:51,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:51,751 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:51,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:57:51,752 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:51,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:51,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1214229693, now seen corresponding path program 1 times [2020-10-29 04:57:51,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:51,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1561773672] [2020-10-29 04:57:51,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:51,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:52,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:53,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:54,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:54,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-29 04:57:54,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:57:54,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2391 [2020-10-29 04:57:54,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:54,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:57:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-29 04:57:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-29 04:57:54,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:57:54,551 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:57:54,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:57:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:54,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:54,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:54,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:57:54,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 04:57:54,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:54,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:57:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:54,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:57:54,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 04:57:54,724 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:57:54,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:57:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:54,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:54,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:57:54,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 04:57:54,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:57:54,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 04:57:54,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:57:54,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:57:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:57:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:57:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 04:57:54,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:57:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:57:54,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1561773672] [2020-10-29 04:57:54,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:57:54,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:57:54,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692668056] [2020-10-29 04:57:54,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:57:54,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:57:54,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:57:54,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:57:54,929 INFO L87 Difference]: Start difference. First operand 1878 states and 2525 transitions. Second operand 5 states. [2020-10-29 04:57:55,176 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-29 04:57:58,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:57:58,051 INFO L93 Difference]: Finished difference Result 5438 states and 7524 transitions. [2020-10-29 04:57:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:57:58,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 215 [2020-10-29 04:57:58,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:57:58,074 INFO L225 Difference]: With dead ends: 5438 [2020-10-29 04:57:58,075 INFO L226 Difference]: Without dead ends: 3566 [2020-10-29 04:57:58,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:57:58,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3566 states. [2020-10-29 04:57:58,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3566 to 3555. [2020-10-29 04:57:58,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3555 states. [2020-10-29 04:57:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 4749 transitions. [2020-10-29 04:57:58,227 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 4749 transitions. Word has length 215 [2020-10-29 04:57:58,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:57:58,227 INFO L481 AbstractCegarLoop]: Abstraction has 3555 states and 4749 transitions. [2020-10-29 04:57:58,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:57:58,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 4749 transitions. [2020-10-29 04:57:58,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-29 04:57:58,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:57:58,241 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:57:58,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:57:58,242 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:57:58,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:57:58,242 INFO L82 PathProgramCache]: Analyzing trace with hash -2029764474, now seen corresponding path program 1 times [2020-10-29 04:57:58,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:57:58,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297876782] [2020-10-29 04:57:58,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:57:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:57:58,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:57:58,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:00,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:00,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:03,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:03,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-29 04:58:03,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:58:03,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-29 04:58:03,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:03,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:03,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:03,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-29 04:58:03,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-10-29 04:58:03,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:03,682 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:03,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:58:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:03,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:03,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:03,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:58:03,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:03,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:58:03,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:03,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:03,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:03,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:03,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:03,844 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:58:03,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:58:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:03,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:03,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:03,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 04:58:03,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:58:03,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:03,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:03,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:03,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:03,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:03,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 04:58:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:03,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:03,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:03,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 04:58:03,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:03,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 04:58:03,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:03,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:58:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 04:58:03,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 04:58:04,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297876782] [2020-10-29 04:58:04,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:58:04,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:58:04,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728593000] [2020-10-29 04:58:04,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:58:04,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:58:04,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:58:04,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:58:04,013 INFO L87 Difference]: Start difference. First operand 3555 states and 4749 transitions. Second operand 5 states. [2020-10-29 04:58:04,341 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:58:07,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:58:07,581 INFO L93 Difference]: Finished difference Result 8783 states and 12210 transitions. [2020-10-29 04:58:07,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:58:07,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2020-10-29 04:58:07,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:58:07,610 INFO L225 Difference]: With dead ends: 8783 [2020-10-29 04:58:07,610 INFO L226 Difference]: Without dead ends: 5234 [2020-10-29 04:58:07,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:58:07,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5234 states. [2020-10-29 04:58:07,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5234 to 5227. [2020-10-29 04:58:07,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5227 states. [2020-10-29 04:58:07,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 7196 transitions. [2020-10-29 04:58:07,810 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 7196 transitions. Word has length 232 [2020-10-29 04:58:07,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:07,811 INFO L481 AbstractCegarLoop]: Abstraction has 5227 states and 7196 transitions. [2020-10-29 04:58:07,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:58:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 7196 transitions. [2020-10-29 04:58:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-29 04:58:07,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:58:07,830 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:58:07,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:58:07,830 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:58:07,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:58:07,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1143803863, now seen corresponding path program 1 times [2020-10-29 04:58:07,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:58:07,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643682776] [2020-10-29 04:58:07,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:58:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:07,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:07,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:08,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:08,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:12,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:12,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:12,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-29 04:58:12,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:58:12,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-29 04:58:12,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:12,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-29 04:58:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-29 04:58:12,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:13,255 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:13,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:58:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:13,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:13,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:13,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:58:13,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:58:13,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:13,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:13,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:58:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:13,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:13,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:13,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 04:58:13,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:13,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:58:13,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:13,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:13,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:13,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 04:58:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:13,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:13,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:13,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 04:58:13,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:13,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-29 04:58:13,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:13,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:58:13,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:13,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 04:58:13,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:58:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-29 04:58:13,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643682776] [2020-10-29 04:58:13,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:58:13,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:58:13,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96077415] [2020-10-29 04:58:13,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:58:13,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:58:13,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:58:13,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:58:13,759 INFO L87 Difference]: Start difference. First operand 5227 states and 7196 transitions. Second operand 5 states. [2020-10-29 04:58:14,114 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:58:17,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:58:17,474 INFO L93 Difference]: Finished difference Result 15493 states and 21900 transitions. [2020-10-29 04:58:17,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:58:17,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2020-10-29 04:58:17,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:58:17,528 INFO L225 Difference]: With dead ends: 15493 [2020-10-29 04:58:17,529 INFO L226 Difference]: Without dead ends: 10272 [2020-10-29 04:58:17,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:58:17,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10272 states. [2020-10-29 04:58:17,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10272 to 9843. [2020-10-29 04:58:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9843 states. [2020-10-29 04:58:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9843 states to 9843 states and 13843 transitions. [2020-10-29 04:58:17,967 INFO L78 Accepts]: Start accepts. Automaton has 9843 states and 13843 transitions. Word has length 249 [2020-10-29 04:58:17,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:17,967 INFO L481 AbstractCegarLoop]: Abstraction has 9843 states and 13843 transitions. [2020-10-29 04:58:17,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:58:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 9843 states and 13843 transitions. [2020-10-29 04:58:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-29 04:58:18,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:58:18,010 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 04:58:18,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:58:18,011 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:58:18,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:58:18,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1688349855, now seen corresponding path program 1 times [2020-10-29 04:58:18,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:58:18,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913188832] [2020-10-29 04:58:18,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:58:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:18,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:18,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:18,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:18,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:23,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:23,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-29 04:58:23,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:58:23,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-29 04:58:23,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:23,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:23,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:23,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-29 04:58:23,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 04:58:23,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:23,401 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:23,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:58:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:23,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:23,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:23,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:58:23,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:23,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:58:23,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:23,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:23,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:23,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:23,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:23,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:23,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:58:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:23,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:23,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:23,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 04:58:23,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:23,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:58:23,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:23,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:23,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:23,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:23,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:23,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:23,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 04:58:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:23,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:23,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:23,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 04:58:23,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:23,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:58:23,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:23,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:58:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 04:58:23,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:23,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 04:58:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:23,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:23,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:23,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 04:58:23,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-29 04:58:23,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:23,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:58:23,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-29 04:58:23,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:58:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-29 04:58:24,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913188832] [2020-10-29 04:58:24,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:58:24,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:58:24,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316330240] [2020-10-29 04:58:24,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:58:24,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:58:24,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:58:24,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:58:24,295 INFO L87 Difference]: Start difference. First operand 9843 states and 13843 transitions. Second operand 7 states. [2020-10-29 04:58:24,557 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:58:26,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:58:26,616 INFO L93 Difference]: Finished difference Result 19654 states and 27848 transitions. [2020-10-29 04:58:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 04:58:26,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 335 [2020-10-29 04:58:26,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:58:26,674 INFO L225 Difference]: With dead ends: 19654 [2020-10-29 04:58:26,674 INFO L226 Difference]: Without dead ends: 9817 [2020-10-29 04:58:26,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-29 04:58:26,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9817 states. [2020-10-29 04:58:26,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9817 to 9813. [2020-10-29 04:58:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9813 states. [2020-10-29 04:58:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9813 states to 9813 states and 13399 transitions. [2020-10-29 04:58:26,979 INFO L78 Accepts]: Start accepts. Automaton has 9813 states and 13399 transitions. Word has length 335 [2020-10-29 04:58:26,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:26,980 INFO L481 AbstractCegarLoop]: Abstraction has 9813 states and 13399 transitions. [2020-10-29 04:58:26,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:58:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 9813 states and 13399 transitions. [2020-10-29 04:58:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-10-29 04:58:27,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:58:27,017 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 04:58:27,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 04:58:27,018 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:58:27,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:58:27,018 INFO L82 PathProgramCache]: Analyzing trace with hash 337529902, now seen corresponding path program 1 times [2020-10-29 04:58:27,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:58:27,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559055282] [2020-10-29 04:58:27,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:58:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:27,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:27,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:28,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:32,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:32,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-10-29 04:58:32,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:58:32,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-29 04:58:32,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:32,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:32,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:32,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-29 04:58:32,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-29 04:58:32,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:32,386 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:32,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:58:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:32,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:32,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:32,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:58:32,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:32,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:58:32,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:32,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:32,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:58:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:32,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:32,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:32,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-29 04:58:32,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:32,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 04:58:32,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:32,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:58:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 04:58:32,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:32,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 04:58:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:32,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:32,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:32,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 04:58:32,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:32,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-29 04:58:32,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:32,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:58:32,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 04:58:32,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 04:58:33,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559055282] [2020-10-29 04:58:33,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:58:33,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:58:33,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535548928] [2020-10-29 04:58:33,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:58:33,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:58:33,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:58:33,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:58:33,177 INFO L87 Difference]: Start difference. First operand 9813 states and 13399 transitions. Second operand 7 states. [2020-10-29 04:58:33,463 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:58:34,677 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-29 04:58:36,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:58:36,757 INFO L93 Difference]: Finished difference Result 19710 states and 27160 transitions. [2020-10-29 04:58:36,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 04:58:36,758 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 354 [2020-10-29 04:58:36,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:58:36,792 INFO L225 Difference]: With dead ends: 19710 [2020-10-29 04:58:36,792 INFO L226 Difference]: Without dead ends: 9903 [2020-10-29 04:58:36,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-29 04:58:36,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9903 states. [2020-10-29 04:58:37,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9903 to 9485. [2020-10-29 04:58:37,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9485 states. [2020-10-29 04:58:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9485 states to 9485 states and 12022 transitions. [2020-10-29 04:58:37,058 INFO L78 Accepts]: Start accepts. Automaton has 9485 states and 12022 transitions. Word has length 354 [2020-10-29 04:58:37,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:37,059 INFO L481 AbstractCegarLoop]: Abstraction has 9485 states and 12022 transitions. [2020-10-29 04:58:37,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:58:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 9485 states and 12022 transitions. [2020-10-29 04:58:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-10-29 04:58:37,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:58:37,095 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:58:37,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 04:58:37,096 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:58:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:58:37,096 INFO L82 PathProgramCache]: Analyzing trace with hash -965961201, now seen corresponding path program 1 times [2020-10-29 04:58:37,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:58:37,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823719825] [2020-10-29 04:58:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:58:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:37,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:37,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:39,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:40,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:40,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 423 [2020-10-29 04:58:40,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:58:40,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3664 [2020-10-29 04:58:40,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:40,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:58:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 225 [2020-10-29 04:58:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-29 04:58:40,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:41,264 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:41,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:58:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:41,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:41,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:41,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:58:41,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:41,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:58:41,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:41,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:41,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:41,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:41,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:41,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:41,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:58:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:41,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:41,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:41,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-29 04:58:41,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:58:41,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:41,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 04:58:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:58:41,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:58:41,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:58:41,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 04:58:41,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:58:41,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-29 04:58:41,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:58:41,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:58:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:58:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:58:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-29 04:58:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:58:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-29 04:58:41,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823719825] [2020-10-29 04:58:41,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:58:41,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:58:41,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621627004] [2020-10-29 04:58:41,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:58:41,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:58:41,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:58:41,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:58:41,930 INFO L87 Difference]: Start difference. First operand 9485 states and 12022 transitions. Second operand 5 states. [2020-10-29 04:58:42,253 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-29 04:58:44,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:58:44,934 INFO L93 Difference]: Finished difference Result 24018 states and 30830 transitions. [2020-10-29 04:58:44,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:58:44,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 409 [2020-10-29 04:58:44,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:58:44,938 INFO L225 Difference]: With dead ends: 24018 [2020-10-29 04:58:44,938 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:58:44,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:58:44,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:58:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:58:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:58:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:58:44,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 409 [2020-10-29 04:58:44,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:58:44,982 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:58:44,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:58:44,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:58:44,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:58:44,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 04:58:44,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:58:47,025 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 182 [2020-10-29 04:58:47,617 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 182 [2020-10-29 04:58:48,093 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 98 [2020-10-29 04:58:50,184 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 352 DAG size of output: 110 [2020-10-29 04:58:50,323 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 33 [2020-10-29 04:58:50,533 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-29 04:58:50,666 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 33 [2020-10-29 04:58:51,054 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 27 [2020-10-29 04:58:51,058 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:58:51,058 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:58:51,058 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:58:51,059 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:58:51,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:58:51,059 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)|) (= |old(#valid)| |#valid|) (= ~a0~0 |old(~a0~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a5~0 |old(~a5~0)|) (= ~e~0 |old(~e~0)|) (= ~a2~0 |old(~a2~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~c~0 |old(~c~0)|) (= ~a23~0 |old(~a23~0)|) (= ~z~0 |old(~z~0)|) (= ~a15~0 |old(~a15~0)|) (= ~x~0 |old(~x~0)|) (= ~a22~0 |old(~a22~0)|) (= ~d~0 |old(~d~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|) (= ~a26~0 |old(~a26~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a18~0 |old(~a18~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-29 04:58:51,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:58:51,059 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,059 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,059 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,060 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,060 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-29 04:58:51,060 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-29 04:58:51,060 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,060 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-29 04:58:51,060 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,060 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-29 04:58:51,060 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-29 04:58:51,060 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,061 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,061 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,061 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,061 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,061 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,061 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,061 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-29 04:58:51,061 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,061 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-29 04:58:51,062 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-29 04:58:51,062 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,062 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,062 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,062 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,062 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-29 04:58:51,062 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-29 04:58:51,062 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,062 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-29 04:58:51,063 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-29 04:58:51,064 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-29 04:58:51,064 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,064 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,064 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,064 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,064 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,064 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,064 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-29 04:58:51,065 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-29 04:58:51,066 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-29 04:58:51,066 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,066 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,066 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,066 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-29 04:58:51,066 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,066 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-29 04:58:51,066 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,066 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,067 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,068 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,069 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-29 04:58:51,070 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-29 04:58:51,071 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,071 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,071 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,071 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 56 1652) the Hoare annotation is: (let ((.cse2 (not (= |old(~a3~0)| 1))) (.cse0 (not (= |old(~a5~0)| 1))) (.cse1 (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)))) (and (or .cse0 .cse1 (not (= |old(~a26~0)| 1)) .cse2) (or .cse0 .cse1 (not (<= |old(~a27~0)| 0)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~a3~0)|))) (or (= |old(~a12~0)| 1) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~a3~0)| 0))))) [2020-10-29 04:58:51,071 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,071 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-29 04:58:51,072 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,073 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,074 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,075 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,076 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,077 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,078 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,079 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,080 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,081 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,082 INFO L270 CegarLoopResult]: At program point L1604(line 1604) the Hoare annotation is: (let ((.cse1 (not (= |old(~a3~0)| 1))) (.cse0 (not (= |old(~a5~0)| 1)))) (and (or .cse0 (not (= |old(~a26~0)| 1)) .cse1) (or .cse0 (not (= |old(~a3~0)| 0))) (or .cse0 (not (<= |old(~a27~0)| 0)) .cse1) (or (= |old(~a12~0)| 1) .cse0 .cse1) (or .cse0 (not (<= 2 |old(~a3~0)|))))) [2020-10-29 04:58:51,082 INFO L274 CegarLoopResult]: For program point L1604-1(line 1604) no Hoare annotation was computed. [2020-10-29 04:58:51,082 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-29 04:58:51,082 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-29 04:58:51,082 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,082 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,082 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,082 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,082 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,082 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,083 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,084 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,084 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,084 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,084 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,084 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,084 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-29 04:58:51,084 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-29 04:58:51,084 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,084 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-29 04:58:51,085 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,086 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-29 04:58:51,087 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-29 04:58:51,088 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-29 04:58:51,089 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-29 04:58:51,089 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,089 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-29 04:58:51,089 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:58:51,089 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a5~0 1) (not (= ~a12~0 1)) (= ~a11~0 0) (= ~a3~0 1)) [2020-10-29 04:58:51,089 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:58:51,089 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:58:51,089 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-29 04:58:51,089 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1654 1671) the Hoare annotation is: (or (= |old(~a12~0)| 1) (not (= |old(~a5~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a26~0 |old(~a26~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a3~0 |old(~a3~0)|) (= ~a9~0 |old(~a9~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a2~0 |old(~a2~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a14~0 |old(~a14~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|) (= ~a13~0 |old(~a13~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a22~0 |old(~a22~0)|) (= ~a10~0 |old(~a10~0)|) (= ~a27~0 |old(~a27~0)|)) (not (= 0 |old(~a11~0)|)) (not (= |old(~a3~0)| 1))) [2020-10-29 04:58:51,090 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|)) (.cse1 (= ~a3~0 1))) (or (= |old(~a12~0)| 1) (not (= |old(~a5~0)| 1)) (and .cse0 (= ~a26~0 1) .cse1) (and .cse0 (not (= ~a12~0 1)) .cse1) (and (<= 2 ~a3~0) .cse0) (not (= 0 |old(~a11~0)|)) (and .cse0 (= ~a3~0 0)) (and .cse0 (<= ~a27~0 0) .cse1) (not (= |old(~a3~0)| 1)))) [2020-10-29 04:58:51,090 INFO L274 CegarLoopResult]: For program point L1660-3(lines 1654 1671) no Hoare annotation was computed. [2020-10-29 04:58:51,090 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1654 1671) no Hoare annotation was computed. [2020-10-29 04:58:51,090 INFO L270 CegarLoopResult]: At program point L1668(line 1668) the Hoare annotation is: (let ((.cse0 (= ~a5~0 |old(~a5~0)|)) (.cse1 (= ~a3~0 1))) (or (= |old(~a12~0)| 1) (not (= |old(~a5~0)| 1)) (and .cse0 (= ~a26~0 1) .cse1) (and .cse0 (not (= ~a12~0 1)) .cse1) (and (<= 2 ~a3~0) .cse0) (not (= 0 |old(~a11~0)|)) (and .cse0 (= ~a3~0 0)) (and .cse0 (<= ~a27~0 0) .cse1) (not (= |old(~a3~0)| 1)))) [2020-10-29 04:58:51,090 INFO L274 CegarLoopResult]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2020-10-29 04:58:51,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:58:51 BoogieIcfgContainer [2020-10-29 04:58:51,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:58:51,112 INFO L168 Benchmark]: Toolchain (without parser) took 95161.99 ms. Allocated memory was 152.0 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 121.0 MB in the beginning and 1.1 GB in the end (delta: -983.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2020-10-29 04:58:51,113 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory was 124.4 MB in the beginning and 124.3 MB in the end (delta: 89.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:58:51,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1129.48 ms. Allocated memory is still 152.0 MB. Free memory was 120.4 MB in the beginning and 91.3 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:58:51,114 INFO L168 Benchmark]: Boogie Preprocessor took 216.28 ms. Allocated memory is still 152.0 MB. Free memory was 91.3 MB in the beginning and 79.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-29 04:58:51,115 INFO L168 Benchmark]: RCFGBuilder took 2206.54 ms. Allocated memory was 152.0 MB in the beginning and 198.2 MB in the end (delta: 46.1 MB). Free memory was 79.8 MB in the beginning and 133.6 MB in the end (delta: -53.8 MB). Peak memory consumption was 62.6 MB. Max. memory is 8.0 GB. [2020-10-29 04:58:51,116 INFO L168 Benchmark]: TraceAbstraction took 91591.52 ms. Allocated memory was 198.2 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 133.6 MB in the beginning and 1.1 GB in the end (delta: -970.9 MB). Peak memory consumption was 979.5 MB. Max. memory is 8.0 GB. [2020-10-29 04:58:51,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory was 124.4 MB in the beginning and 124.3 MB in the end (delta: 89.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1129.48 ms. Allocated memory is still 152.0 MB. Free memory was 120.4 MB in the beginning and 91.3 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 216.28 ms. Allocated memory is still 152.0 MB. Free memory was 91.3 MB in the beginning and 79.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2206.54 ms. Allocated memory was 152.0 MB in the beginning and 198.2 MB in the end (delta: 46.1 MB). Free memory was 79.8 MB in the beginning and 133.6 MB in the end (delta: -53.8 MB). Peak memory consumption was 62.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 91591.52 ms. Allocated memory was 198.2 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 133.6 MB in the beginning and 1.1 GB in the end (delta: -970.9 MB). Peak memory consumption was 979.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: (((((((\old(a12) == 1 || !(\old(a5) == 1)) || ((a5 == \old(a5) && a26 == 1) && a3 == 1)) || ((a5 == \old(a5) && !(a12 == 1)) && a3 == 1)) || (2 <= a3 && a5 == \old(a5))) || !(0 == \old(a11))) || (a5 == \old(a5) && a3 == 0)) || ((a5 == \old(a5) && a27 <= 0) && a3 == 1)) || !(\old(a3) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 315 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 85.4s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 33.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 402 SDtfs, 3924 SDslu, 437 SDs, 0 SdLazy, 12754 SolverSat, 1691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9843occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 908 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 558 PreInvPairs, 698 NumberOfFragments, 953 HoareAnnotationTreeSize, 558 FomulaSimplifications, 646553 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 14930 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 46.5s InterpolantComputationTime, 2617 NumberOfCodeBlocks, 2617 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2607 ConstructedInterpolants, 0 QuantifiedInterpolants, 4166065 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 831/845 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...