/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:39:16,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:39:16,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:39:16,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:39:16,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:39:16,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:39:16,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:39:16,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:39:16,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:39:16,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:39:16,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:39:16,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:39:16,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:39:16,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:39:16,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:39:16,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:39:16,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:39:16,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:39:16,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:39:16,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:39:16,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:39:16,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:39:16,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:39:16,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:39:16,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:39:16,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:39:16,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:39:16,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:39:16,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:39:16,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:39:16,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:39:16,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:39:16,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:39:16,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:39:16,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:39:16,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:39:16,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:39:16,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:39:16,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:39:16,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:39:16,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:39:16,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:39:16,600 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:39:16,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:39:16,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:39:16,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:39:16,602 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:39:16,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:39:16,603 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:39:16,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:39:16,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:39:16,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:39:16,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:39:16,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:39:16,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:39:16,604 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:39:16,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:39:16,605 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:39:16,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:39:16,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:39:16,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:39:16,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:39:16,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:39:16,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:39:16,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:39:16,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:39:16,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:39:16,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:39:16,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:39:16,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:39:16,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:39:16,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:39:16,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:39:17,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:39:17,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:39:17,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:39:17,036 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:39:17,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25.c [2020-10-29 06:39:17,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/793508a5f/4e4298d7f20141d48c67c124975165d9/FLAGac6ddc74d [2020-10-29 06:39:17,941 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:39:17,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label25.c [2020-10-29 06:39:17,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/793508a5f/4e4298d7f20141d48c67c124975165d9/FLAGac6ddc74d [2020-10-29 06:39:18,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/793508a5f/4e4298d7f20141d48c67c124975165d9 [2020-10-29 06:39:18,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:39:18,239 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:39:18,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:39:18,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:39:18,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:39:18,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:39:18" (1/1) ... [2020-10-29 06:39:18,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216b903f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:18, skipping insertion in model container [2020-10-29 06:39:18,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:39:18" (1/1) ... [2020-10-29 06:39:18,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:39:18,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:39:18,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:39:18,831 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:39:18,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:39:19,014 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:39:19,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19 WrapperNode [2020-10-29 06:39:19,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:39:19,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:39:19,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:39:19,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:39:19,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19" (1/1) ... [2020-10-29 06:39:19,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19" (1/1) ... [2020-10-29 06:39:19,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19" (1/1) ... [2020-10-29 06:39:19,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19" (1/1) ... [2020-10-29 06:39:19,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19" (1/1) ... [2020-10-29 06:39:19,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19" (1/1) ... [2020-10-29 06:39:19,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19" (1/1) ... [2020-10-29 06:39:19,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:39:19,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:39:19,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:39:19,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:39:19,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:39:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:39:19,247 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:39:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:39:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:39:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:39:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:39:21,268 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:39:21,268 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:39:21,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:39:21 BoogieIcfgContainer [2020-10-29 06:39:21,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:39:21,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:39:21,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:39:21,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:39:21,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:39:18" (1/3) ... [2020-10-29 06:39:21,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbc3003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:39:21, skipping insertion in model container [2020-10-29 06:39:21,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:39:19" (2/3) ... [2020-10-29 06:39:21,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbc3003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:39:21, skipping insertion in model container [2020-10-29 06:39:21,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:39:21" (3/3) ... [2020-10-29 06:39:21,288 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label25.c [2020-10-29 06:39:21,304 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:39:21,310 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:39:21,325 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:39:21,371 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:39:21,371 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:39:21,371 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:39:21,371 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:39:21,371 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:39:21,372 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:39:21,372 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:39:21,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:39:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:39:21,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-29 06:39:21,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:21,423 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] [2020-10-29 06:39:21,424 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:21,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:21,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1285494074, now seen corresponding path program 1 times [2020-10-29 06:39:21,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:21,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378561453] [2020-10-29 06:39:21,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:21,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:22,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:22,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 06:39:22,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-29 06:39:22,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:22,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:39:22,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:39:22,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:22,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:22,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:22,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:22,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:22,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 06:39:22,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:22,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:22,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:22,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:22,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:22,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378561453] [2020-10-29 06:39:22,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:39:22,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 06:39:22,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327836129] [2020-10-29 06:39:22,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:39:22,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:22,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:39:22,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:39:22,804 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-29 06:39:25,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:25,096 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-29 06:39:25,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:39:25,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-10-29 06:39:25,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:25,114 INFO L225 Difference]: With dead ends: 586 [2020-10-29 06:39:25,114 INFO L226 Difference]: Without dead ends: 303 [2020-10-29 06:39:25,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:39:25,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-29 06:39:25,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-29 06:39:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-29 06:39:25,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-29 06:39:25,213 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 71 [2020-10-29 06:39:25,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:25,214 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-29 06:39:25,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:39:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-29 06:39:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 06:39:25,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:25,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:25,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:39:25,223 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:25,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:25,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1488821687, now seen corresponding path program 1 times [2020-10-29 06:39:25,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:25,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876225121] [2020-10-29 06:39:25,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:25,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:25,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:26,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:26,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-29 06:39:26,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:39:26,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1107 [2020-10-29 06:39:26,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:26,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:39:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-29 06:39:26,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:39:26,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:26,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:26,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:26,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:26,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:26,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 06:39:26,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:26,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:26,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:26,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:26,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:26,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:39:26,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:26,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:26,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:26,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:26,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:39:26,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:39:26,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-29 06:39:26,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:26,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:26,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:26,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:26,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:39:26,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:39:27,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876225121] [2020-10-29 06:39:27,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:27,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:39:27,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681319205] [2020-10-29 06:39:27,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:39:27,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:27,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:39:27,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:39:27,053 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 6 states. [2020-10-29 06:39:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:29,625 INFO L93 Difference]: Finished difference Result 741 states and 1035 transitions. [2020-10-29 06:39:29,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:39:29,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2020-10-29 06:39:29,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:29,636 INFO L225 Difference]: With dead ends: 741 [2020-10-29 06:39:29,637 INFO L226 Difference]: Without dead ends: 738 [2020-10-29 06:39:29,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:39:29,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-10-29 06:39:29,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 589. [2020-10-29 06:39:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-29 06:39:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 848 transitions. [2020-10-29 06:39:29,702 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 848 transitions. Word has length 141 [2020-10-29 06:39:29,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:29,703 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 848 transitions. [2020-10-29 06:39:29,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:39:29,703 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 848 transitions. [2020-10-29 06:39:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-29 06:39:29,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:29,710 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:29,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:39:29,710 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:29,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:29,711 INFO L82 PathProgramCache]: Analyzing trace with hash 276903839, now seen corresponding path program 1 times [2020-10-29 06:39:29,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:29,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1228865431] [2020-10-29 06:39:29,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:29,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:29,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:30,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:31,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:31,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-29 06:39:31,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1881 [2020-10-29 06:39:31,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:31,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:39:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:39:31,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-29 06:39:31,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:31,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:31,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:31,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:31,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:31,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:31,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 06:39:31,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:31,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:39:31,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:31,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:31,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:32,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:32,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:39:32,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:32,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-29 06:39:32,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:32,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:32,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 06:39:32,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:32,238 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:39:32,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1228865431] [2020-10-29 06:39:32,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:39:32,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:39:32,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806072479] [2020-10-29 06:39:32,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:32,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:32,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:32,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:32,246 INFO L87 Difference]: Start difference. First operand 589 states and 848 transitions. Second operand 7 states. [2020-10-29 06:39:34,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:34,335 INFO L93 Difference]: Finished difference Result 1488 states and 2173 transitions. [2020-10-29 06:39:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:39:34,336 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 193 [2020-10-29 06:39:34,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:34,345 INFO L225 Difference]: With dead ends: 1488 [2020-10-29 06:39:34,346 INFO L226 Difference]: Without dead ends: 905 [2020-10-29 06:39:34,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:39:34,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-10-29 06:39:34,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 748. [2020-10-29 06:39:34,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-29 06:39:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1010 transitions. [2020-10-29 06:39:34,401 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1010 transitions. Word has length 193 [2020-10-29 06:39:34,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:34,403 INFO L481 AbstractCegarLoop]: Abstraction has 748 states and 1010 transitions. [2020-10-29 06:39:34,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1010 transitions. [2020-10-29 06:39:34,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-29 06:39:34,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:34,412 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:34,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:39:34,412 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:34,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:34,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1101768820, now seen corresponding path program 1 times [2020-10-29 06:39:34,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:34,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685040059] [2020-10-29 06:39:34,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:34,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:34,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:35,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:36,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:36,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-29 06:39:36,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:36,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1766 [2020-10-29 06:39:36,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:36,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:36,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:36,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:39:36,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:36,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:36,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:36,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:36,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:36,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:36,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:36,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:39:36,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:36,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:36,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:36,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:36,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:36,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:36,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:36,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:36,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:39:36,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 06:39:36,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:36,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:39:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 06:39:36,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:39:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:36,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:36,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:36,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:36,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:36,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-29 06:39:36,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:36,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:36,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:36,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:36,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:36,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:36,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685040059] [2020-10-29 06:39:36,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:36,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:36,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160597905] [2020-10-29 06:39:36,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:36,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:36,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:36,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:36,814 INFO L87 Difference]: Start difference. First operand 748 states and 1010 transitions. Second operand 7 states. [2020-10-29 06:39:39,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:39,001 INFO L93 Difference]: Finished difference Result 1818 states and 2548 transitions. [2020-10-29 06:39:39,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:39:39,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-10-29 06:39:39,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:39,011 INFO L225 Difference]: With dead ends: 1818 [2020-10-29 06:39:39,011 INFO L226 Difference]: Without dead ends: 1076 [2020-10-29 06:39:39,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:39:39,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-10-29 06:39:39,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1054. [2020-10-29 06:39:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2020-10-29 06:39:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1423 transitions. [2020-10-29 06:39:39,067 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1423 transitions. Word has length 223 [2020-10-29 06:39:39,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:39,068 INFO L481 AbstractCegarLoop]: Abstraction has 1054 states and 1423 transitions. [2020-10-29 06:39:39,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1423 transitions. [2020-10-29 06:39:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-29 06:39:39,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:39,074 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:39,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:39:39,075 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:39,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:39,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1264671898, now seen corresponding path program 1 times [2020-10-29 06:39:39,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:39,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156759302] [2020-10-29 06:39:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:39,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:39,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:39,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:42,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:44,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-29 06:39:44,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:44,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 06:39:44,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:44,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 06:39:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:44,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:44,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:44,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:44,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:44,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:44,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:39:44,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:44,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:44,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:44,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:44,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:39:44,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:44,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-29 06:39:44,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:44,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:44,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:39:44,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:44,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:39:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:44,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:44,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:44,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:44,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:44,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 06:39:44,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:44,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:44,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:44,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:44,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156759302] [2020-10-29 06:39:44,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:44,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:39:44,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139921733] [2020-10-29 06:39:44,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:39:44,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:44,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:39:44,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:39:44,772 INFO L87 Difference]: Start difference. First operand 1054 states and 1423 transitions. Second operand 8 states. [2020-10-29 06:39:47,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:47,038 INFO L93 Difference]: Finished difference Result 2418 states and 3362 transitions. [2020-10-29 06:39:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:39:47,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 230 [2020-10-29 06:39:47,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:47,051 INFO L225 Difference]: With dead ends: 2418 [2020-10-29 06:39:47,051 INFO L226 Difference]: Without dead ends: 1370 [2020-10-29 06:39:47,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:39:47,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-10-29 06:39:47,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1356. [2020-10-29 06:39:47,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1356 states. [2020-10-29 06:39:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1877 transitions. [2020-10-29 06:39:47,129 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1877 transitions. Word has length 230 [2020-10-29 06:39:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:47,130 INFO L481 AbstractCegarLoop]: Abstraction has 1356 states and 1877 transitions. [2020-10-29 06:39:47,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:39:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1877 transitions. [2020-10-29 06:39:47,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-29 06:39:47,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:47,137 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:39:47,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:39:47,137 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:47,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:47,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1005624890, now seen corresponding path program 1 times [2020-10-29 06:39:47,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:47,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965061099] [2020-10-29 06:39:47,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:47,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:47,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:47,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:50,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:52,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:52,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-29 06:39:52,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:39:52,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-29 06:39:52,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:52,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 06:39:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:39:52,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:52,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:52,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:52,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:52,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:52,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:52,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:39:52,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:52,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:52,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:52,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:52,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:52,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:52,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:39:52,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:52,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 06:39:52,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:52,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:52,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 06:39:52,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:52,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 06:39:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:52,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:52,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:52,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:39:52,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 06:39:52,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:52,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:39:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:39:52,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:39:52,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965061099] [2020-10-29 06:39:52,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:52,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:39:52,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874590207] [2020-10-29 06:39:52,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:39:52,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:52,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:39:52,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:39:52,807 INFO L87 Difference]: Start difference. First operand 1356 states and 1877 transitions. Second operand 7 states. [2020-10-29 06:39:55,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:39:55,532 INFO L93 Difference]: Finished difference Result 3708 states and 5939 transitions. [2020-10-29 06:39:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:39:55,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-10-29 06:39:55,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:39:55,556 INFO L225 Difference]: With dead ends: 3708 [2020-10-29 06:39:55,556 INFO L226 Difference]: Without dead ends: 2358 [2020-10-29 06:39:55,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:39:55,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2358 states. [2020-10-29 06:39:55,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2358 to 2246. [2020-10-29 06:39:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2246 states. [2020-10-29 06:39:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 3026 transitions. [2020-10-29 06:39:55,678 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 3026 transitions. Word has length 240 [2020-10-29 06:39:55,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:39:55,679 INFO L481 AbstractCegarLoop]: Abstraction has 2246 states and 3026 transitions. [2020-10-29 06:39:55,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:39:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 3026 transitions. [2020-10-29 06:39:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-29 06:39:55,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:39:55,687 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, 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] [2020-10-29 06:39:55,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:39:55,687 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:39:55,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:39:55,688 INFO L82 PathProgramCache]: Analyzing trace with hash 289215366, now seen corresponding path program 1 times [2020-10-29 06:39:55,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:39:55,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190399019] [2020-10-29 06:39:55,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:39:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:55,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:55,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:56,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:58,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-29 06:39:58,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:39:58,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2315 [2020-10-29 06:39:58,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:58,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:58,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:39:58,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-29 06:39:58,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 06:39:58,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:58,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:39:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:58,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:58,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:39:58,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:58,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:39:58,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:58,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:58,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:58,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:39:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:58,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:58,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:39:58,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:58,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 06:39:58,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:58,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:58,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:39:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:39:58,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:39:58,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:39:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:39:58,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:39:58,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:39:58,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 06:39:58,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:39:58,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-29 06:39:58,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:39:58,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:39:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:39:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:39:58,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:39:58,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:39:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-29 06:39:58,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190399019] [2020-10-29 06:39:58,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:39:58,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:39:58,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166047913] [2020-10-29 06:39:58,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:39:58,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:39:58,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:39:58,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:39:58,524 INFO L87 Difference]: Start difference. First operand 2246 states and 3026 transitions. Second operand 6 states. [2020-10-29 06:40:00,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:00,863 INFO L93 Difference]: Finished difference Result 5215 states and 7104 transitions. [2020-10-29 06:40:00,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:40:00,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 246 [2020-10-29 06:40:00,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:00,882 INFO L225 Difference]: With dead ends: 5215 [2020-10-29 06:40:00,882 INFO L226 Difference]: Without dead ends: 2975 [2020-10-29 06:40:00,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:40:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2020-10-29 06:40:00,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 1952. [2020-10-29 06:40:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1952 states. [2020-10-29 06:40:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2398 transitions. [2020-10-29 06:40:00,973 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2398 transitions. Word has length 246 [2020-10-29 06:40:00,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:00,974 INFO L481 AbstractCegarLoop]: Abstraction has 1952 states and 2398 transitions. [2020-10-29 06:40:00,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:40:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2398 transitions. [2020-10-29 06:40:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-29 06:40:00,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:00,981 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, 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] [2020-10-29 06:40:00,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:40:00,981 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:00,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:00,982 INFO L82 PathProgramCache]: Analyzing trace with hash 633266048, now seen corresponding path program 1 times [2020-10-29 06:40:00,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:00,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126048927] [2020-10-29 06:40:00,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:01,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:01,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:01,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:02,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:05,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:05,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-29 06:40:05,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4554 [2020-10-29 06:40:05,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:05,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:05,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:05,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-29 06:40:05,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:40:05,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:05,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:05,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:05,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:05,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:05,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:05,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:40:05,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:05,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:05,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:05,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:05,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:05,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:05,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:40:05,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-29 06:40:05,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:05,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:40:05,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:05,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:40:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:05,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:05,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:05,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:40:05,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:05,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 06:40:05,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:05,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:05,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:05,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:40:05,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:06,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126048927] [2020-10-29 06:40:06,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:06,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:06,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130068836] [2020-10-29 06:40:06,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:06,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:06,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:06,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:06,059 INFO L87 Difference]: Start difference. First operand 1952 states and 2398 transitions. Second operand 7 states. [2020-10-29 06:40:08,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:08,218 INFO L93 Difference]: Finished difference Result 4929 states and 6119 transitions. [2020-10-29 06:40:08,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:40:08,219 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 249 [2020-10-29 06:40:08,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:08,235 INFO L225 Difference]: With dead ends: 4929 [2020-10-29 06:40:08,235 INFO L226 Difference]: Without dead ends: 2983 [2020-10-29 06:40:08,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:40:08,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2020-10-29 06:40:08,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2683. [2020-10-29 06:40:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2683 states. [2020-10-29 06:40:08,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3346 transitions. [2020-10-29 06:40:08,326 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3346 transitions. Word has length 249 [2020-10-29 06:40:08,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:08,326 INFO L481 AbstractCegarLoop]: Abstraction has 2683 states and 3346 transitions. [2020-10-29 06:40:08,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3346 transitions. [2020-10-29 06:40:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-29 06:40:08,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:08,335 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:08,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:40:08,335 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:08,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:08,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1673016186, now seen corresponding path program 1 times [2020-10-29 06:40:08,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:08,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174497158] [2020-10-29 06:40:08,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:08,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:08,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:08,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:09,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:10,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:10,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-29 06:40:10,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:10,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1973 [2020-10-29 06:40:10,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:10,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:10,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:40:10,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:40:10,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:10,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:10,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:10,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:10,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:10,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:10,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:10,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:10,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:10,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:10,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:10,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:10,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:10,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:10,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:10,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:40:10,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:10,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 06:40:10,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:10,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:10,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:40:10,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:40:10,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:40:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:10,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:10,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:10,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:40:10,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-29 06:40:10,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:10,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 06:40:10,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:40:10,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174497158] [2020-10-29 06:40:10,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:10,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:10,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417727069] [2020-10-29 06:40:10,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:10,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:10,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:10,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:10,903 INFO L87 Difference]: Start difference. First operand 2683 states and 3346 transitions. Second operand 7 states. [2020-10-29 06:40:13,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:13,098 INFO L93 Difference]: Finished difference Result 6447 states and 8309 transitions. [2020-10-29 06:40:13,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:40:13,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 272 [2020-10-29 06:40:13,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:13,114 INFO L225 Difference]: With dead ends: 6447 [2020-10-29 06:40:13,114 INFO L226 Difference]: Without dead ends: 2719 [2020-10-29 06:40:13,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:40:13,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2020-10-29 06:40:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 2516. [2020-10-29 06:40:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2516 states. [2020-10-29 06:40:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 2964 transitions. [2020-10-29 06:40:13,205 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 2964 transitions. Word has length 272 [2020-10-29 06:40:13,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:13,205 INFO L481 AbstractCegarLoop]: Abstraction has 2516 states and 2964 transitions. [2020-10-29 06:40:13,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2964 transitions. [2020-10-29 06:40:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-29 06:40:13,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:13,216 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:13,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:40:13,217 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:13,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:13,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1536192517, now seen corresponding path program 1 times [2020-10-29 06:40:13,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:13,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955158743] [2020-10-29 06:40:13,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:13,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:13,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:13,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:16,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:18,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-29 06:40:18,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:18,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 06:40:18,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:18,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 209 [2020-10-29 06:40:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:40:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:18,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:18,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:18,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:18,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:18,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:40:18,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:18,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:18,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:18,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:18,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:18,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:40:18,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:18,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 06:40:18,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:18,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:18,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:40:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:18,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:40:18,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:18,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 06:40:18,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:18,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:18,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:18,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:18,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:40:18,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:18,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-29 06:40:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:18,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:18,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:18,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:40:18,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:18,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 06:40:18,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:18,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:40:18,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-29 06:40:18,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955158743] [2020-10-29 06:40:18,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:18,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:18,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610973354] [2020-10-29 06:40:18,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:18,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:18,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:18,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:18,810 INFO L87 Difference]: Start difference. First operand 2516 states and 2964 transitions. Second operand 7 states. [2020-10-29 06:40:20,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:20,535 INFO L93 Difference]: Finished difference Result 5903 states and 6962 transitions. [2020-10-29 06:40:20,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:40:20,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 350 [2020-10-29 06:40:20,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:20,551 INFO L225 Difference]: With dead ends: 5903 [2020-10-29 06:40:20,552 INFO L226 Difference]: Without dead ends: 3393 [2020-10-29 06:40:20,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:20,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2020-10-29 06:40:20,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 2953. [2020-10-29 06:40:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2953 states. [2020-10-29 06:40:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 3516 transitions. [2020-10-29 06:40:20,666 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 3516 transitions. Word has length 350 [2020-10-29 06:40:20,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:20,666 INFO L481 AbstractCegarLoop]: Abstraction has 2953 states and 3516 transitions. [2020-10-29 06:40:20,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 3516 transitions. [2020-10-29 06:40:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-10-29 06:40:20,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:20,680 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:20,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:40:20,680 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:20,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:20,681 INFO L82 PathProgramCache]: Analyzing trace with hash -880602813, now seen corresponding path program 1 times [2020-10-29 06:40:20,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:20,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1920226125] [2020-10-29 06:40:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:20,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:21,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:23,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:24,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 396 [2020-10-29 06:40:24,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:24,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3875 [2020-10-29 06:40:24,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:24,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:40:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:40:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-29 06:40:24,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:24,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:24,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:24,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:24,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:24,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:24,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:24,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:24,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:24,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:24,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:24,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:24,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:24,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:24,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:24,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 06:40:24,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:24,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:24,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:40:24,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:24,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:25,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:25,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:25,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:25,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:40:25,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:25,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 06:40:25,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:25,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:25,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:25,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:25,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:40:25,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-29 06:40:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:25,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:25,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:25,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:40:25,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:25,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 06:40:25,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:25,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 06:40:25,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 370 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-10-29 06:40:25,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1920226125] [2020-10-29 06:40:25,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:25,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:40:25,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999411751] [2020-10-29 06:40:25,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:40:25,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:25,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:40:25,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:40:25,364 INFO L87 Difference]: Start difference. First operand 2953 states and 3516 transitions. Second operand 8 states. [2020-10-29 06:40:28,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:28,195 INFO L93 Difference]: Finished difference Result 6431 states and 7865 transitions. [2020-10-29 06:40:28,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:40:28,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 380 [2020-10-29 06:40:28,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:28,216 INFO L225 Difference]: With dead ends: 6431 [2020-10-29 06:40:28,216 INFO L226 Difference]: Without dead ends: 3484 [2020-10-29 06:40:28,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:40:28,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2020-10-29 06:40:28,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3476. [2020-10-29 06:40:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3476 states. [2020-10-29 06:40:28,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 4242 transitions. [2020-10-29 06:40:28,345 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 4242 transitions. Word has length 380 [2020-10-29 06:40:28,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:28,346 INFO L481 AbstractCegarLoop]: Abstraction has 3476 states and 4242 transitions. [2020-10-29 06:40:28,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:40:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 4242 transitions. [2020-10-29 06:40:28,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2020-10-29 06:40:28,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:28,367 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:28,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:40:28,368 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:28,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:28,369 INFO L82 PathProgramCache]: Analyzing trace with hash -585824379, now seen corresponding path program 1 times [2020-10-29 06:40:28,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:28,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818113827] [2020-10-29 06:40:28,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:28,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:28,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:28,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:31,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:33,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:33,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-10-29 06:40:33,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:40:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-29 06:40:33,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:33,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 246 [2020-10-29 06:40:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:40:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:33,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:33,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:33,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:33,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:33,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:40:33,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:33,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:33,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:33,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:33,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:33,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:33,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 06:40:33,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:33,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 06:40:33,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:33,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:33,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:33,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:33,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:33,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:33,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 06:40:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:33,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:33,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:33,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 06:40:33,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:33,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 06:40:33,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:33,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-29 06:40:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:33,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-29 06:40:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:33,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:33,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:33,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:40:33,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:33,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 06:40:33,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:33,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:40:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 06:40:33,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 352 proven. 2 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-29 06:40:34,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818113827] [2020-10-29 06:40:34,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:34,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:40:34,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500182982] [2020-10-29 06:40:34,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:40:34,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:34,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:40:34,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:40:34,023 INFO L87 Difference]: Start difference. First operand 3476 states and 4242 transitions. Second operand 7 states. [2020-10-29 06:40:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:35,997 INFO L93 Difference]: Finished difference Result 7978 states and 9750 transitions. [2020-10-29 06:40:35,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:40:35,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 387 [2020-10-29 06:40:35,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:36,022 INFO L225 Difference]: With dead ends: 7978 [2020-10-29 06:40:36,022 INFO L226 Difference]: Without dead ends: 4512 [2020-10-29 06:40:36,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:40:36,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2020-10-29 06:40:36,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4064. [2020-10-29 06:40:36,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4064 states. [2020-10-29 06:40:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 4064 states and 4981 transitions. [2020-10-29 06:40:36,209 INFO L78 Accepts]: Start accepts. Automaton has 4064 states and 4981 transitions. Word has length 387 [2020-10-29 06:40:36,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:36,209 INFO L481 AbstractCegarLoop]: Abstraction has 4064 states and 4981 transitions. [2020-10-29 06:40:36,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:40:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 4064 states and 4981 transitions. [2020-10-29 06:40:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-10-29 06:40:36,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:36,227 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:36,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:40:36,227 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:36,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:36,228 INFO L82 PathProgramCache]: Analyzing trace with hash 434075131, now seen corresponding path program 1 times [2020-10-29 06:40:36,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:36,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223827810] [2020-10-29 06:40:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:36,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:36,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:37,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:38,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 405 [2020-10-29 06:40:38,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:40:38,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1749 [2020-10-29 06:40:38,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:38,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 332 [2020-10-29 06:40:38,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 06:40:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:38,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:38,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:38,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:38,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:40:38,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:38,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:38,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:38,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:38,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:40:38,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:38,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 06:40:38,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:38,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:38,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:38,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:40:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:38,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:38,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 06:40:38,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:38,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 06:40:38,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:38,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:38,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:38,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-29 06:40:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:38,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:38,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:38,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-29 06:40:38,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 06:40:38,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:38,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-29 06:40:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:38,521 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-29 06:40:38,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223827810] [2020-10-29 06:40:38,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:38,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:40:38,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563807985] [2020-10-29 06:40:38,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:40:38,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:38,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:40:38,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:40:38,523 INFO L87 Difference]: Start difference. First operand 4064 states and 4981 transitions. Second operand 5 states. [2020-10-29 06:40:40,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:40,108 INFO L93 Difference]: Finished difference Result 9026 states and 11177 transitions. [2020-10-29 06:40:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:40:40,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 389 [2020-10-29 06:40:40,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:40,130 INFO L225 Difference]: With dead ends: 9026 [2020-10-29 06:40:40,130 INFO L226 Difference]: Without dead ends: 4966 [2020-10-29 06:40:40,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:40:40,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4966 states. [2020-10-29 06:40:40,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4966 to 4964. [2020-10-29 06:40:40,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4964 states. [2020-10-29 06:40:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4964 states to 4964 states and 6081 transitions. [2020-10-29 06:40:40,326 INFO L78 Accepts]: Start accepts. Automaton has 4964 states and 6081 transitions. Word has length 389 [2020-10-29 06:40:40,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:40,326 INFO L481 AbstractCegarLoop]: Abstraction has 4964 states and 6081 transitions. [2020-10-29 06:40:40,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:40:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4964 states and 6081 transitions. [2020-10-29 06:40:40,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2020-10-29 06:40:40,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:40:40,352 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:40:40,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:40:40,352 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:40:40,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:40:40,353 INFO L82 PathProgramCache]: Analyzing trace with hash 144175375, now seen corresponding path program 1 times [2020-10-29 06:40:40,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:40:40,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577057157] [2020-10-29 06:40:40,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:40:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:40,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:40,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:41,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:41,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 427 [2020-10-29 06:40:41,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:40:41,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 969 [2020-10-29 06:40:41,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:41,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:41,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:40:41,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-29 06:40:41,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 06:40:41,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:41,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:40:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:41,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:41,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:41,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:40:41,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:41,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:40:41,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:41,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:41,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:41,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:41,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:40:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:41,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:41,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:41,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 06:40:41,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:41,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 06:40:41,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:41,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:41,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 06:40:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:41,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:41,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:41,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-29 06:40:41,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 06:40:41,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:41,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:40:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:40:41,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:41,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-29 06:40:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:40:41,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:40:41,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:40:41,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 06:40:41,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:40:41,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 06:40:41,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:40:41,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:40:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:40:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:40:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:40:41,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:40:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-29 06:40:41,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577057157] [2020-10-29 06:40:41,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:40:41,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:40:41,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436523202] [2020-10-29 06:40:41,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:40:41,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:40:41,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:40:41,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:40:41,952 INFO L87 Difference]: Start difference. First operand 4964 states and 6081 transitions. Second operand 5 states. [2020-10-29 06:40:43,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:40:43,534 INFO L93 Difference]: Finished difference Result 5548 states and 6789 transitions. [2020-10-29 06:40:43,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:40:43,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 411 [2020-10-29 06:40:43,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:40:43,543 INFO L225 Difference]: With dead ends: 5548 [2020-10-29 06:40:43,543 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:40:43,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:40:43,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:40:43,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:40:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:40:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:40:43,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 411 [2020-10-29 06:40:43,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:40:43,559 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:40:43,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:40:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:40:43,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:40:43,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:40:43,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:40:45,115 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 328 DAG size of output: 268 [2020-10-29 06:40:47,344 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 268 [2020-10-29 06:40:47,497 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 20 [2020-10-29 06:40:49,207 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 254 DAG size of output: 43 [2020-10-29 06:40:51,042 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 279 DAG size of output: 58 [2020-10-29 06:40:51,785 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2020-10-29 06:40:53,394 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 254 DAG size of output: 43 [2020-10-29 06:40:53,400 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:40:53,401 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:40:53,401 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:40:53,401 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:40:53,401 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:40:53,401 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-29 06:40:53,402 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:40:53,402 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:40:53,402 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:40:53,402 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:40:53,402 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:40:53,402 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:40:53,403 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:40:53,403 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:40:53,403 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:40:53,403 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:40:53,403 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:40:53,403 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:40:53,403 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:40:53,403 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:40:53,403 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:40:53,404 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:40:53,405 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:40:53,406 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:40:53,407 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,408 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:40:53,409 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:40:53,410 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,411 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:40:53,412 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:40:53,413 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,414 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse5 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse8 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (and (not (= 7 ~a19~0)) .cse5 .cse7 .cse8)) (.cse4 (not (<= |old(~a10~0)| 2))) (.cse2 (not (<= 1 |old(~a10~0)|))) (.cse0 (= 7 |old(~a19~0)|)) (.cse3 (and .cse5 .cse7 .cse8)) (.cse6 (not (= 0 |old(~a10~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (<= 2 |old(~a10~0)|)) .cse4) (or .cse3 .cse4 (not (<= |old(~a1~0)| 33)) .cse2) (or .cse0 (not (<= |old(~a19~0)| 8)) .cse1) (or (not (<= 221 |old(~a1~0)|)) .cse3 .cse4 .cse2) (or .cse0 (and (= ~a10~0 0) (= ~a19~0 9) .cse5) (not (= 9 |old(~a19~0)|)) .cse6) (or .cse0 .cse3 .cse6 (not (<= |old(~a1~0)| 150)))))) [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:40:53,415 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,416 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:40:53,417 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:40:53,418 INFO L270 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a10~0)| 2))) (.cse3 (not (= 0 |old(~a10~0)|))) (.cse2 (= 7 |old(~a19~0)|)) (.cse1 (not (<= 1 |old(~a10~0)|)))) (and (or (not (<= 221 |old(~a1~0)|)) .cse0 .cse1) (or (not (<= 2 |old(~a10~0)|)) .cse0) (or .cse2 (not (<= |old(~a19~0)| 8))) (or .cse2 .cse3 (not (<= |old(~a1~0)| 150))) (or .cse0 (not (<= |old(~a1~0)| 33)) .cse1) (or .cse2 (not (= 9 |old(~a19~0)|)) .cse3) (or .cse2 .cse1))) [2020-10-29 06:40:53,418 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L198-1(line 198) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,419 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 32)) [2020-10-29 06:40:53,420 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 32))) [2020-10-29 06:40:53,420 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:40:53,420 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse3 (<= ~a10~0 2)) (.cse4 (<= ~a19~0 8)) (.cse0 (= ~a10~0 0)) (.cse2 (<= 1 ~a10~0)) (.cse1 (not (= 7 ~a19~0)))) (or (and .cse0 (= ~a19~0 9) .cse1) (and .cse2 .cse3 .cse4 (<= 221 ~a1~0)) (and .cse3 (<= 2 ~a10~0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 33) .cse2 .cse3 .cse4) (and .cse4 .cse1) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= ~a1~0 150) .cse1) (not (<= |old(~a1~0)| 32)) (and .cse2 .cse1))) [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:40:53,421 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse3 (<= ~a10~0 2)) (.cse4 (<= ~a19~0 8)) (.cse0 (= ~a10~0 0)) (.cse2 (<= 1 ~a10~0)) (.cse1 (not (= 7 ~a19~0)))) (or (and .cse0 (= ~a19~0 9) .cse1) (and .cse2 .cse3 .cse4 (<= 221 ~a1~0)) (and .cse3 (<= 2 ~a10~0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 33) .cse2 .cse3 .cse4) (and .cse4 .cse1) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= ~a1~0 150) .cse1) (not (<= |old(~a1~0)| 32)) (and .cse2 .cse1))) [2020-10-29 06:40:53,421 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:40:53,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:40:53 BoogieIcfgContainer [2020-10-29 06:40:53,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:40:53,444 INFO L168 Benchmark]: Toolchain (without parser) took 95210.53 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 124.2 MB in the beginning and 634.6 MB in the end (delta: -510.4 MB). Peak memory consumption was 729.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,445 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.6 MB in the end (delta: 102.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:40:53,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.32 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 129.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,446 INFO L168 Benchmark]: Boogie Preprocessor took 135.69 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,447 INFO L168 Benchmark]: RCFGBuilder took 2119.33 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 103.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,448 INFO L168 Benchmark]: TraceAbstraction took 92164.32 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 102.5 MB in the beginning and 634.6 MB in the end (delta: -532.1 MB). Peak memory consumption was 706.8 MB. Max. memory is 8.0 GB. [2020-10-29 06:40:53,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.6 MB in the end (delta: 102.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 775.32 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 129.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 135.69 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2119.33 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 103.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 81.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 92164.32 ms. Allocated memory was 151.0 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 102.5 MB in the beginning and 634.6 MB in the end (delta: -532.1 MB). Peak memory consumption was 706.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((((((a10 == 0 && a19 == 9) && !(7 == a19)) || (((1 <= a10 && a10 <= 2) && a19 <= 8) && 221 <= a1)) || (a10 <= 2 && 2 <= a10)) || !(9 == \old(a19))) || (((a1 <= 33 && 1 <= a10) && a10 <= 2) && a19 <= 8)) || (a19 <= 8 && !(7 == a19))) || !(0 == \old(a10))) || ((a10 == 0 && a1 <= 150) && !(7 == a19))) || !(\old(a1) <= 32)) || (1 <= a10 && !(7 == a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.1s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 30.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 387 SDtfs, 6514 SDslu, 471 SDs, 0 SdLazy, 12848 SolverSat, 2186 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4964occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 2882 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 578 PreInvPairs, 738 NumberOfFragments, 494 HoareAnnotationTreeSize, 578 FomulaSimplifications, 6274679 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1327211 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 47.5s InterpolantComputationTime, 3782 NumberOfCodeBlocks, 3782 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3768 ConstructedInterpolants, 0 QuantifiedInterpolants, 2144560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 3608/3635 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...