/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=SHALLOWEST --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/loop-invgen/apache-get-tag.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 01:37:32,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 01:37:32,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 01:37:32,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 01:37:32,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 01:37:32,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 01:37:32,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 01:37:32,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 01:37:32,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 01:37:32,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 01:37:32,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 01:37:32,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 01:37:32,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 01:37:32,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 01:37:32,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 01:37:32,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 01:37:32,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 01:37:32,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 01:37:32,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 01:37:32,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 01:37:32,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 01:37:32,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 01:37:32,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 01:37:32,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 01:37:32,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 01:37:32,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 01:37:32,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 01:37:32,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 01:37:32,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 01:37:32,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 01:37:32,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 01:37:32,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 01:37:32,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 01:37:32,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 01:37:32,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 01:37:32,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 01:37:32,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 01:37:32,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 01:37:32,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 01:37:32,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 01:37:32,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 01:37:32,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 01:37:32,234 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 01:37:32,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 01:37:32,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 01:37:32,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 01:37:32,239 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 01:37:32,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 01:37:32,239 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 01:37:32,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 01:37:32,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 01:37:32,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 01:37:32,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 01:37:32,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 01:37:32,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 01:37:32,242 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 01:37:32,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 01:37:32,242 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 01:37:32,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 01:37:32,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 01:37:32,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 01:37:32,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 01:37:32,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 01:37:32,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:37:32,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 01:37:32,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 01:37:32,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 01:37:32,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 01:37:32,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 01:37:32,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 01:37:32,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 01:37:32,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 01:37:32,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 01:37:32,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 01:37:32,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 01:37:32,691 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 01:37:32,692 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 01:37:32,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2020-10-27 01:37:32,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6b5c80c1/b3d42b185d1a4ca8883195189cc3b7a2/FLAG856aba121 [2020-10-27 01:37:33,511 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 01:37:33,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2020-10-27 01:37:33,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6b5c80c1/b3d42b185d1a4ca8883195189cc3b7a2/FLAG856aba121 [2020-10-27 01:37:33,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6b5c80c1/b3d42b185d1a4ca8883195189cc3b7a2 [2020-10-27 01:37:33,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 01:37:33,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 01:37:33,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 01:37:33,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 01:37:33,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 01:37:33,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:37:33" (1/1) ... [2020-10-27 01:37:33,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e736ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:33, skipping insertion in model container [2020-10-27 01:37:33,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:37:33" (1/1) ... [2020-10-27 01:37:33,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 01:37:33,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 01:37:34,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:37:34,831 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 01:37:35,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:37:35,239 INFO L208 MainTranslator]: Completed translation [2020-10-27 01:37:35,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35 WrapperNode [2020-10-27 01:37:35,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 01:37:35,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 01:37:35,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 01:37:35,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 01:37:35,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35" (1/1) ... [2020-10-27 01:37:35,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35" (1/1) ... [2020-10-27 01:37:35,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35" (1/1) ... [2020-10-27 01:37:35,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35" (1/1) ... [2020-10-27 01:37:35,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35" (1/1) ... [2020-10-27 01:37:35,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35" (1/1) ... [2020-10-27 01:37:35,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35" (1/1) ... [2020-10-27 01:37:35,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 01:37:35,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 01:37:35,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 01:37:35,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 01:37:35,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:37:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 01:37:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 01:37:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 01:37:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 01:37:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 01:37:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 01:37:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 01:37:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 01:37:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 01:37:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 01:37:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 01:37:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 01:37:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 01:37:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 01:37:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 01:37:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 01:37:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 01:37:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 01:37:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 01:37:38,314 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 01:37:38,314 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 01:37:38,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:37:38 BoogieIcfgContainer [2020-10-27 01:37:38,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 01:37:38,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 01:37:38,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 01:37:38,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 01:37:38,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:37:33" (1/3) ... [2020-10-27 01:37:38,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f20383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:37:38, skipping insertion in model container [2020-10-27 01:37:38,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:37:35" (2/3) ... [2020-10-27 01:37:38,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f20383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:37:38, skipping insertion in model container [2020-10-27 01:37:38,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:37:38" (3/3) ... [2020-10-27 01:37:38,326 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2020-10-27 01:37:38,337 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 01:37:38,342 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 01:37:38,356 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 01:37:38,387 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 01:37:38,387 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 01:37:38,387 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 01:37:38,387 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 01:37:38,388 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 01:37:38,388 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 01:37:38,388 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 01:37:38,388 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 01:37:38,415 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states. [2020-10-27 01:37:38,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-27 01:37:38,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:37:38,422 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:37:38,422 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:37:38,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:37:38,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1327662216, now seen corresponding path program 1 times [2020-10-27 01:37:38,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:37:38,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184759713] [2020-10-27 01:37:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:37:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:37:38,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:37:38,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:37:38,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 01:37:38,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:37:38,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-27 01:37:38,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:37:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:37:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 01:37:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 01:37:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 01:37:39,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:37:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:37:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:37:39,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:37:39,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:37:39,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:37:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 01:37:39,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:37:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:37:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:37:39,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:37:39,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:37:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:37:39,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184759713] [2020-10-27 01:37:39,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:37:39,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 01:37:39,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664180167] [2020-10-27 01:37:39,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 01:37:39,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:37:39,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 01:37:39,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 01:37:39,092 INFO L87 Difference]: Start difference. First operand 484 states. Second operand 5 states. [2020-10-27 01:37:42,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:37:42,376 INFO L93 Difference]: Finished difference Result 504 states and 947 transitions. [2020-10-27 01:37:42,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 01:37:42,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-27 01:37:42,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:37:42,417 INFO L225 Difference]: With dead ends: 504 [2020-10-27 01:37:42,418 INFO L226 Difference]: Without dead ends: 292 [2020-10-27 01:37:42,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:37:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-27 01:37:42,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 288. [2020-10-27 01:37:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-27 01:37:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 365 transitions. [2020-10-27 01:37:42,536 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 365 transitions. Word has length 12 [2020-10-27 01:37:42,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:37:42,537 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 365 transitions. [2020-10-27 01:37:42,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 01:37:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 365 transitions. [2020-10-27 01:37:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-27 01:37:42,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:37:42,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:37:42,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 01:37:42,539 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:37:42,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:37:42,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1793817241, now seen corresponding path program 1 times [2020-10-27 01:37:42,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:37:42,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040796127] [2020-10-27 01:37:42,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:37:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:37:42,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:37:42,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:37:42,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:37:42,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 01:37:42,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:37:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-27 01:37:42,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:37:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:37:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 01:37:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 01:37:42,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 01:37:42,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:37:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:37:42,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:37:42,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:37:42,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:37:42,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:37:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:37:42,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:37:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:37:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:37:42,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:37:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:37:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:37:42,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040796127] [2020-10-27 01:37:42,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:37:42,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 01:37:43,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617880796] [2020-10-27 01:37:43,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 01:37:43,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:37:43,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 01:37:43,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 01:37:43,015 INFO L87 Difference]: Start difference. First operand 288 states and 365 transitions. Second operand 5 states. [2020-10-27 01:37:44,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:37:44,226 INFO L93 Difference]: Finished difference Result 293 states and 369 transitions. [2020-10-27 01:37:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 01:37:44,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-27 01:37:44,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:37:44,229 INFO L225 Difference]: With dead ends: 293 [2020-10-27 01:37:44,230 INFO L226 Difference]: Without dead ends: 284 [2020-10-27 01:37:44,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:37:44,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-27 01:37:44,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2020-10-27 01:37:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-27 01:37:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 300 transitions. [2020-10-27 01:37:44,245 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 300 transitions. Word has length 13 [2020-10-27 01:37:44,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:37:44,246 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 300 transitions. [2020-10-27 01:37:44,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 01:37:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 300 transitions. [2020-10-27 01:37:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-27 01:37:44,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:37:44,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:37:44,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 01:37:44,261 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:37:44,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:37:44,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1862705740, now seen corresponding path program 1 times [2020-10-27 01:37:44,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:37:44,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966550105] [2020-10-27 01:37:44,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:37:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:37:44,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:37:46,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:37:48,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:37:49,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:37:49,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-27 01:37:49,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 01:37:49,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 01:37:49,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:37:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-27 01:37:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 01:37:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-27 01:37:49,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:37:52,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:37:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:37:52,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:37:52,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:37:52,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:37:52,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:37:52,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:37:52,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:37:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:37:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:37:52,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:37:52,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:37:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:37:52,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966550105] [2020-10-27 01:37:52,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:37:52,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [64] imperfect sequences [] total 64 [2020-10-27 01:37:52,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020520826] [2020-10-27 01:37:52,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 64 states [2020-10-27 01:37:52,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:37:52,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2020-10-27 01:37:52,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1895, Invalid=2137, Unknown=0, NotChecked=0, Total=4032 [2020-10-27 01:37:52,503 INFO L87 Difference]: Start difference. First operand 284 states and 300 transitions. Second operand 64 states. [2020-10-27 01:38:00,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:00,742 INFO L93 Difference]: Finished difference Result 287 states and 302 transitions. [2020-10-27 01:38:00,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-27 01:38:00,742 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 249 [2020-10-27 01:38:00,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:00,747 INFO L225 Difference]: With dead ends: 287 [2020-10-27 01:38:00,747 INFO L226 Difference]: Without dead ends: 284 [2020-10-27 01:38:00,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1889 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=5738, Invalid=9762, Unknown=0, NotChecked=0, Total=15500 [2020-10-27 01:38:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-27 01:38:00,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 283. [2020-10-27 01:38:00,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-27 01:38:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 298 transitions. [2020-10-27 01:38:00,766 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 298 transitions. Word has length 249 [2020-10-27 01:38:00,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:00,767 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 298 transitions. [2020-10-27 01:38:00,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 64 states. [2020-10-27 01:38:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 298 transitions. [2020-10-27 01:38:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-27 01:38:00,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:00,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:00,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 01:38:00,773 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:00,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1909329287, now seen corresponding path program 1 times [2020-10-27 01:38:00,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:00,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609462081] [2020-10-27 01:38:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:01,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:11,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:11,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-27 01:38:11,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:11,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10049 [2020-10-27 01:38:11,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 119 [2020-10-27 01:38:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 01:38:11,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 237 [2020-10-27 01:38:11,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:12,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:12,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:12,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:12,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:12,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:12,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:38:12,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:12,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:38:12,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609462081] [2020-10-27 01:38:12,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:38:12,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:38:12,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273420766] [2020-10-27 01:38:12,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:38:12,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:12,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:38:12,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:38:12,580 INFO L87 Difference]: Start difference. First operand 283 states and 298 transitions. Second operand 8 states. [2020-10-27 01:38:12,896 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2020-10-27 01:38:13,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:13,996 INFO L93 Difference]: Finished difference Result 287 states and 301 transitions. [2020-10-27 01:38:13,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:38:13,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 250 [2020-10-27 01:38:13,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:14,000 INFO L225 Difference]: With dead ends: 287 [2020-10-27 01:38:14,000 INFO L226 Difference]: Without dead ends: 284 [2020-10-27 01:38:14,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 5 SyntacticMatches, 113 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:38:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-27 01:38:14,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 282. [2020-10-27 01:38:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-27 01:38:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 296 transitions. [2020-10-27 01:38:14,011 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 296 transitions. Word has length 250 [2020-10-27 01:38:14,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:14,012 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 296 transitions. [2020-10-27 01:38:14,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:38:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 296 transitions. [2020-10-27 01:38:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-27 01:38:14,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:14,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:14,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 01:38:14,026 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:14,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:14,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1689106669, now seen corresponding path program 1 times [2020-10-27 01:38:14,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:14,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248776980] [2020-10-27 01:38:14,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:14,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:14,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:16,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:17,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:18,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:19,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:19,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-27 01:38:19,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:38:19,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 01:38:19,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 01:38:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-10-27 01:38:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 01:38:19,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:19,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:19,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:19,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:19,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:19,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:19,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:38:19,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:19,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:19,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:19,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:19,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:38:20,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248776980] [2020-10-27 01:38:20,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:38:20,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-27 01:38:20,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520340832] [2020-10-27 01:38:20,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 01:38:20,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:20,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 01:38:20,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=427, Unknown=0, NotChecked=0, Total=756 [2020-10-27 01:38:20,029 INFO L87 Difference]: Start difference. First operand 282 states and 296 transitions. Second operand 28 states. [2020-10-27 01:38:23,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:23,111 INFO L93 Difference]: Finished difference Result 284 states and 297 transitions. [2020-10-27 01:38:23,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 01:38:23,111 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 253 [2020-10-27 01:38:23,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:23,114 INFO L225 Difference]: With dead ends: 284 [2020-10-27 01:38:23,114 INFO L226 Difference]: Without dead ends: 281 [2020-10-27 01:38:23,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=977, Invalid=1675, Unknown=0, NotChecked=0, Total=2652 [2020-10-27 01:38:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-27 01:38:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2020-10-27 01:38:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-27 01:38:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 294 transitions. [2020-10-27 01:38:23,125 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 294 transitions. Word has length 253 [2020-10-27 01:38:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:23,126 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 294 transitions. [2020-10-27 01:38:23,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 01:38:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 294 transitions. [2020-10-27 01:38:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-27 01:38:23,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:23,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:23,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 01:38:23,131 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:23,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:23,132 INFO L82 PathProgramCache]: Analyzing trace with hash -822657492, now seen corresponding path program 1 times [2020-10-27 01:38:23,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:23,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361163810] [2020-10-27 01:38:23,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:23,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:31,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:31,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-27 01:38:31,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:31,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7732 [2020-10-27 01:38:31,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 121 [2020-10-27 01:38:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 01:38:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-27 01:38:31,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:32,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:32,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:32,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:32,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:32,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:32,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:32,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:32,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:32,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:32,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:38:32,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361163810] [2020-10-27 01:38:32,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:38:32,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:38:32,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288475839] [2020-10-27 01:38:32,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:38:32,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:32,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:38:32,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:38:32,131 INFO L87 Difference]: Start difference. First operand 281 states and 294 transitions. Second operand 8 states. [2020-10-27 01:38:32,494 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2020-10-27 01:38:33,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:33,634 INFO L93 Difference]: Finished difference Result 283 states and 295 transitions. [2020-10-27 01:38:33,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 01:38:33,635 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 254 [2020-10-27 01:38:33,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:33,639 INFO L225 Difference]: With dead ends: 283 [2020-10-27 01:38:33,639 INFO L226 Difference]: Without dead ends: 280 [2020-10-27 01:38:33,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 30 SyntacticMatches, 90 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:38:33,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-27 01:38:33,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2020-10-27 01:38:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-27 01:38:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 292 transitions. [2020-10-27 01:38:33,649 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 292 transitions. Word has length 254 [2020-10-27 01:38:33,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:33,650 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 292 transitions. [2020-10-27 01:38:33,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:38:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 292 transitions. [2020-10-27 01:38:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-10-27 01:38:33,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:33,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:33,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 01:38:33,654 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:33,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:33,655 INFO L82 PathProgramCache]: Analyzing trace with hash -298465776, now seen corresponding path program 1 times [2020-10-27 01:38:33,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:33,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129606046] [2020-10-27 01:38:33,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:33,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:33,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:34,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:35,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:36,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:37,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:37,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-27 01:38:38,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 01:38:38,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 01:38:38,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:38:38,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 01:38:38,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 248 [2020-10-27 01:38:38,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:38:38,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:38,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:38,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:38,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:38,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:38:38,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:38,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:38:39,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129606046] [2020-10-27 01:38:39,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:38:39,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 01:38:39,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531669781] [2020-10-27 01:38:39,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 01:38:39,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:39,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 01:38:39,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 01:38:39,003 INFO L87 Difference]: Start difference. First operand 280 states and 292 transitions. Second operand 5 states. [2020-10-27 01:38:39,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:39,818 INFO L93 Difference]: Finished difference Result 282 states and 293 transitions. [2020-10-27 01:38:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 01:38:39,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 256 [2020-10-27 01:38:39,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:39,821 INFO L225 Difference]: With dead ends: 282 [2020-10-27 01:38:39,821 INFO L226 Difference]: Without dead ends: 279 [2020-10-27 01:38:39,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 01:38:39,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-27 01:38:39,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2020-10-27 01:38:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-10-27 01:38:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 290 transitions. [2020-10-27 01:38:39,832 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 290 transitions. Word has length 256 [2020-10-27 01:38:39,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:39,833 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 290 transitions. [2020-10-27 01:38:39,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 01:38:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 290 transitions. [2020-10-27 01:38:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-27 01:38:39,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:39,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:39,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 01:38:39,835 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:39,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:39,836 INFO L82 PathProgramCache]: Analyzing trace with hash -662451113, now seen corresponding path program 1 times [2020-10-27 01:38:39,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:39,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840638879] [2020-10-27 01:38:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:39,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:40,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:44,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:45,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:45,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-27 01:38:45,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 01:38:45,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5186 [2020-10-27 01:38:45,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:45,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 95 [2020-10-27 01:38:45,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-27 01:38:45,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-27 01:38:45,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:45,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:45,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:45,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:45,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:45,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:45,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:45,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:45,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:45,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:45,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:45,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:38:45,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840638879] [2020-10-27 01:38:45,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:38:45,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:38:45,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862436186] [2020-10-27 01:38:45,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:38:45,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:45,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:38:45,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:38:45,942 INFO L87 Difference]: Start difference. First operand 279 states and 290 transitions. Second operand 8 states. [2020-10-27 01:38:47,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:38:47,198 INFO L93 Difference]: Finished difference Result 281 states and 291 transitions. [2020-10-27 01:38:47,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 01:38:47,199 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2020-10-27 01:38:47,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:38:47,202 INFO L225 Difference]: With dead ends: 281 [2020-10-27 01:38:47,202 INFO L226 Difference]: Without dead ends: 276 [2020-10-27 01:38:47,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 32 SyntacticMatches, 62 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:38:47,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-10-27 01:38:47,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2020-10-27 01:38:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-27 01:38:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 286 transitions. [2020-10-27 01:38:47,211 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 286 transitions. Word has length 257 [2020-10-27 01:38:47,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:38:47,212 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 286 transitions. [2020-10-27 01:38:47,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:38:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 286 transitions. [2020-10-27 01:38:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-27 01:38:47,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:38:47,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:38:47,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 01:38:47,214 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:38:47,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:38:47,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1350122095, now seen corresponding path program 1 times [2020-10-27 01:38:47,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:38:47,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125945695] [2020-10-27 01:38:47,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:38:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:47,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:47,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:48,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:48,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:50,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:52,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:52,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-27 01:38:52,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:38:52,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 01:38:52,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-10-27 01:38:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 01:38:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-27 01:38:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:38:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:38:55,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:38:55,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:38:55,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:38:55,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:38:55,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:38:55,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:38:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:38:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:38:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:38:55,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:38:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:38:55,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125945695] [2020-10-27 01:38:55,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:38:55,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2020-10-27 01:38:55,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139119622] [2020-10-27 01:38:55,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 66 states [2020-10-27 01:38:55,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:38:55,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2020-10-27 01:38:55,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2020, Invalid=2270, Unknown=0, NotChecked=0, Total=4290 [2020-10-27 01:38:55,280 INFO L87 Difference]: Start difference. First operand 276 states and 286 transitions. Second operand 66 states. [2020-10-27 01:39:03,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:03,620 INFO L93 Difference]: Finished difference Result 301 states and 317 transitions. [2020-10-27 01:39:03,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-27 01:39:03,621 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 258 [2020-10-27 01:39:03,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:03,623 INFO L225 Difference]: With dead ends: 301 [2020-10-27 01:39:03,623 INFO L226 Difference]: Without dead ends: 298 [2020-10-27 01:39:03,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2012 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=5865, Invalid=10137, Unknown=0, NotChecked=0, Total=16002 [2020-10-27 01:39:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-27 01:39:03,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 275. [2020-10-27 01:39:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-10-27 01:39:03,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 284 transitions. [2020-10-27 01:39:03,637 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 284 transitions. Word has length 258 [2020-10-27 01:39:03,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:03,638 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 284 transitions. [2020-10-27 01:39:03,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 66 states. [2020-10-27 01:39:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 284 transitions. [2020-10-27 01:39:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-27 01:39:03,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:03,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:03,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 01:39:03,641 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:03,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:03,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1397836117, now seen corresponding path program 1 times [2020-10-27 01:39:03,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:03,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783392535] [2020-10-27 01:39:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:03,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:04,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:05,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:05,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:07,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:08,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:08,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-27 01:39:08,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:39:08,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 01:39:08,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-10-27 01:39:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 01:39:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-27 01:39:08,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:11,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:11,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:11,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:11,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:11,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:39:11,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:11,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:39:11,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783392535] [2020-10-27 01:39:11,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:39:11,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2020-10-27 01:39:11,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402174721] [2020-10-27 01:39:11,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 66 states [2020-10-27 01:39:11,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:11,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2020-10-27 01:39:11,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2020, Invalid=2270, Unknown=0, NotChecked=0, Total=4290 [2020-10-27 01:39:11,730 INFO L87 Difference]: Start difference. First operand 275 states and 284 transitions. Second operand 66 states. [2020-10-27 01:39:19,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:19,983 INFO L93 Difference]: Finished difference Result 287 states and 296 transitions. [2020-10-27 01:39:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-27 01:39:19,983 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 258 [2020-10-27 01:39:19,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:19,986 INFO L225 Difference]: With dead ends: 287 [2020-10-27 01:39:19,986 INFO L226 Difference]: Without dead ends: 284 [2020-10-27 01:39:19,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2012 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=5865, Invalid=10137, Unknown=0, NotChecked=0, Total=16002 [2020-10-27 01:39:19,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-27 01:39:19,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 274. [2020-10-27 01:39:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-27 01:39:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 282 transitions. [2020-10-27 01:39:19,999 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 282 transitions. Word has length 258 [2020-10-27 01:39:20,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:20,000 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 282 transitions. [2020-10-27 01:39:20,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 66 states. [2020-10-27 01:39:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 282 transitions. [2020-10-27 01:39:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-27 01:39:20,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:20,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:20,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 01:39:20,002 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:20,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:20,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1066359523, now seen corresponding path program 1 times [2020-10-27 01:39:20,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:20,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821388766] [2020-10-27 01:39:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:20,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:20,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:21,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:23,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:24,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:25,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:25,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-27 01:39:25,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:39:25,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-27 01:39:25,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:25,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-10-27 01:39:25,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 01:39:25,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-27 01:39:25,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:28,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:28,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:28,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:28,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:28,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:28,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:39:28,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:28,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:39:28,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821388766] [2020-10-27 01:39:28,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:39:28,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2020-10-27 01:39:28,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463402610] [2020-10-27 01:39:28,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 66 states [2020-10-27 01:39:28,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:28,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2020-10-27 01:39:28,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2020, Invalid=2270, Unknown=0, NotChecked=0, Total=4290 [2020-10-27 01:39:28,151 INFO L87 Difference]: Start difference. First operand 274 states and 282 transitions. Second operand 66 states. [2020-10-27 01:39:36,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:36,887 INFO L93 Difference]: Finished difference Result 302 states and 316 transitions. [2020-10-27 01:39:36,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-27 01:39:36,887 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 259 [2020-10-27 01:39:36,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:36,890 INFO L225 Difference]: With dead ends: 302 [2020-10-27 01:39:36,890 INFO L226 Difference]: Without dead ends: 299 [2020-10-27 01:39:36,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2012 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=5865, Invalid=10137, Unknown=0, NotChecked=0, Total=16002 [2020-10-27 01:39:36,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-10-27 01:39:36,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 273. [2020-10-27 01:39:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-27 01:39:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 280 transitions. [2020-10-27 01:39:36,901 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 280 transitions. Word has length 259 [2020-10-27 01:39:36,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:36,902 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 280 transitions. [2020-10-27 01:39:36,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 66 states. [2020-10-27 01:39:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 280 transitions. [2020-10-27 01:39:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-27 01:39:36,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:36,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:36,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 01:39:36,904 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:36,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:36,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1095819164, now seen corresponding path program 1 times [2020-10-27 01:39:36,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:36,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142222754] [2020-10-27 01:39:36,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:37,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:40,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:42,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 123 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 246 [2020-10-27 01:39:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:42,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:42,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:42,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:42,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:42,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:42,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:39:42,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:42,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:42,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:39:42,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142222754] [2020-10-27 01:39:42,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:39:42,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:39:42,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716403343] [2020-10-27 01:39:42,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:39:42,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:42,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:39:42,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:39:42,713 INFO L87 Difference]: Start difference. First operand 273 states and 280 transitions. Second operand 8 states. [2020-10-27 01:39:43,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:43,889 INFO L93 Difference]: Finished difference Result 287 states and 297 transitions. [2020-10-27 01:39:43,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:39:43,890 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 259 [2020-10-27 01:39:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:43,893 INFO L225 Difference]: With dead ends: 287 [2020-10-27 01:39:43,893 INFO L226 Difference]: Without dead ends: 284 [2020-10-27 01:39:43,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 107 SyntacticMatches, 15 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:39:43,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-27 01:39:43,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 272. [2020-10-27 01:39:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-27 01:39:43,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 278 transitions. [2020-10-27 01:39:43,902 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 278 transitions. Word has length 259 [2020-10-27 01:39:43,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:43,902 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 278 transitions. [2020-10-27 01:39:43,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:39:43,903 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 278 transitions. [2020-10-27 01:39:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-27 01:39:43,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:43,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:43,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 01:39:43,905 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:43,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:43,905 INFO L82 PathProgramCache]: Analyzing trace with hash 383352408, now seen corresponding path program 1 times [2020-10-27 01:39:43,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:43,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518937825] [2020-10-27 01:39:43,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:44,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:47,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-27 01:39:49,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:39:49,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 01:39:49,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 123 [2020-10-27 01:39:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 01:39:49,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 246 [2020-10-27 01:39:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:49,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:49,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:49,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:49,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:49,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 01:39:49,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:49,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:49,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:39:49,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518937825] [2020-10-27 01:39:49,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:39:49,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:39:49,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517434624] [2020-10-27 01:39:49,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:39:49,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:49,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:39:49,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:39:49,767 INFO L87 Difference]: Start difference. First operand 272 states and 278 transitions. Second operand 8 states. [2020-10-27 01:39:50,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:39:50,877 INFO L93 Difference]: Finished difference Result 274 states and 279 transitions. [2020-10-27 01:39:50,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 01:39:50,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 259 [2020-10-27 01:39:50,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:39:50,880 INFO L225 Difference]: With dead ends: 274 [2020-10-27 01:39:50,881 INFO L226 Difference]: Without dead ends: 269 [2020-10-27 01:39:50,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 107 SyntacticMatches, 15 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:39:50,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-27 01:39:50,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2020-10-27 01:39:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-27 01:39:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 274 transitions. [2020-10-27 01:39:50,889 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 274 transitions. Word has length 259 [2020-10-27 01:39:50,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:39:50,889 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 274 transitions. [2020-10-27 01:39:50,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:39:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 274 transitions. [2020-10-27 01:39:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-27 01:39:50,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:39:50,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:39:50,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 01:39:50,892 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:39:50,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:39:50,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1302686279, now seen corresponding path program 1 times [2020-10-27 01:39:50,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:39:50,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742226869] [2020-10-27 01:39:50,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:39:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:51,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:58,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:58,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-27 01:39:58,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:58,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7643 [2020-10-27 01:39:58,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 123 [2020-10-27 01:39:58,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 01:39:58,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 247 [2020-10-27 01:39:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:59,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:39:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:39:59,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:39:59,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:39:59,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:39:59,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:39:59,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:39:59,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:39:59,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:39:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:39:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:39:59,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:39:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:39:59,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742226869] [2020-10-27 01:39:59,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:39:59,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:39:59,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784978810] [2020-10-27 01:39:59,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:39:59,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:39:59,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:39:59,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:39:59,785 INFO L87 Difference]: Start difference. First operand 269 states and 274 transitions. Second operand 8 states. [2020-10-27 01:40:00,112 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2020-10-27 01:40:01,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:01,230 INFO L93 Difference]: Finished difference Result 284 states and 292 transitions. [2020-10-27 01:40:01,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 01:40:01,231 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 260 [2020-10-27 01:40:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:01,234 INFO L225 Difference]: With dead ends: 284 [2020-10-27 01:40:01,234 INFO L226 Difference]: Without dead ends: 281 [2020-10-27 01:40:01,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 24 SyntacticMatches, 98 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:40:01,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-27 01:40:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 268. [2020-10-27 01:40:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-27 01:40:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 272 transitions. [2020-10-27 01:40:01,243 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 272 transitions. Word has length 260 [2020-10-27 01:40:01,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:01,244 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 272 transitions. [2020-10-27 01:40:01,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:40:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 272 transitions. [2020-10-27 01:40:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-27 01:40:01,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:01,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:01,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 01:40:01,246 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:01,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:01,247 INFO L82 PathProgramCache]: Analyzing trace with hash -812989272, now seen corresponding path program 1 times [2020-10-27 01:40:01,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:01,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414926789] [2020-10-27 01:40:01,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:01,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:01,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:02,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:03,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:03,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:03,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:05,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:06,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:06,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-27 01:40:06,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 01:40:06,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-27 01:40:06,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:40:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 01:40:06,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 253 [2020-10-27 01:40:06,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:06,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:06,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:06,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:06,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:06,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:40:06,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:06,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:06,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:40:06,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414926789] [2020-10-27 01:40:06,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:40:06,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 01:40:06,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642712504] [2020-10-27 01:40:06,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 01:40:06,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:06,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 01:40:06,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 01:40:06,543 INFO L87 Difference]: Start difference. First operand 268 states and 272 transitions. Second operand 5 states. [2020-10-27 01:40:07,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:07,327 INFO L93 Difference]: Finished difference Result 270 states and 273 transitions. [2020-10-27 01:40:07,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 01:40:07,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 261 [2020-10-27 01:40:07,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:07,331 INFO L225 Difference]: With dead ends: 270 [2020-10-27 01:40:07,332 INFO L226 Difference]: Without dead ends: 267 [2020-10-27 01:40:07,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 01:40:07,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-10-27 01:40:07,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2020-10-27 01:40:07,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-10-27 01:40:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 270 transitions. [2020-10-27 01:40:07,340 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 270 transitions. Word has length 261 [2020-10-27 01:40:07,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:07,340 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 270 transitions. [2020-10-27 01:40:07,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 01:40:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 270 transitions. [2020-10-27 01:40:07,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-27 01:40:07,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:40:07,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:40:07,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 01:40:07,343 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:40:07,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:40:07,343 INFO L82 PathProgramCache]: Analyzing trace with hash 567215890, now seen corresponding path program 1 times [2020-10-27 01:40:07,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:40:07,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365400641] [2020-10-27 01:40:07,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:40:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:07,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:07,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:12,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:12,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-27 01:40:12,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:40:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5085 [2020-10-27 01:40:12,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 125 [2020-10-27 01:40:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 01:40:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 249 [2020-10-27 01:40:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:13,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:40:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:40:13,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:40:13,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:40:13,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:40:13,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:40:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:40:13,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:40:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:40:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:40:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:40:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:40:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:40:13,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365400641] [2020-10-27 01:40:13,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:40:13,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:40:13,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458176568] [2020-10-27 01:40:13,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:40:13,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:40:13,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:40:13,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:40:13,653 INFO L87 Difference]: Start difference. First operand 267 states and 270 transitions. Second operand 8 states. [2020-10-27 01:40:14,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:40:14,768 INFO L93 Difference]: Finished difference Result 267 states and 270 transitions. [2020-10-27 01:40:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 01:40:14,768 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 262 [2020-10-27 01:40:14,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:40:14,769 INFO L225 Difference]: With dead ends: 267 [2020-10-27 01:40:14,770 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 01:40:14,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 13 SyntacticMatches, 111 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:40:14,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 01:40:14,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 01:40:14,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 01:40:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 01:40:14,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 262 [2020-10-27 01:40:14,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:40:14,773 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 01:40:14,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:40:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 01:40:14,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 01:40:14,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 01:40:14,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 01:40:15,466 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 01:40:15,467 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 01:40:15,467 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 01:40:15,467 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 01:40:15,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:40:15,467 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~__tmp_179_2~0 |old(~__tmp_179_2~0)|) (= ~__tmp_109_1~0 |old(~__tmp_109_1~0)|) (= ~__return_2583~0 |old(~__return_2583~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~__tmp_179_0~0 |old(~__tmp_179_0~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~__tmp_109_0~0 |old(~__tmp_109_0~0)|) (= |old(#valid)| |#valid|) (= ~__tmp_148_0~0 |old(~__tmp_148_0~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~__tmp_179_1~0 |old(~__tmp_179_1~0)|) (= ~__tmp_2390_1~0 |old(~__tmp_2390_1~0)|) (= ~__tmp_218_0~0 |old(~__tmp_218_0~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__tmp_2390_0~0 |old(~__tmp_2390_0~0)|)) [2020-10-27 01:40:15,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:40:15,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:40:15,468 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 01:40:15,468 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 01:40:15,468 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:40:15,468 INFO L274 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 6 8) no Hoare annotation was computed. [2020-10-27 01:40:15,468 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-27 01:40:15,468 INFO L274 CegarLoopResult]: For program point L7-2(lines 6 8) no Hoare annotation was computed. [2020-10-27 01:40:15,468 INFO L274 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed. [2020-10-27 01:40:15,468 INFO L274 CegarLoopResult]: For program point L1951(lines 1951 5176) no Hoare annotation was computed. [2020-10-27 01:40:15,468 INFO L274 CegarLoopResult]: For program point L2744(lines 2744 2755) no Hoare annotation was computed. [2020-10-27 01:40:15,468 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 22 5301) no Hoare annotation was computed. [2020-10-27 01:40:15,468 INFO L270 CegarLoopResult]: At program point L4726(line 4726) the Hoare annotation is: false [2020-10-27 01:40:15,468 INFO L274 CegarLoopResult]: For program point L564(lines 564 598) no Hoare annotation was computed. [2020-10-27 01:40:15,469 INFO L274 CegarLoopResult]: For program point L4726-1(line 4726) no Hoare annotation was computed. [2020-10-27 01:40:15,469 INFO L274 CegarLoopResult]: For program point L3141(lines 3141 3165) no Hoare annotation was computed. [2020-10-27 01:40:15,469 INFO L274 CegarLoopResult]: For program point L3934(lines 3934 5000) no Hoare annotation was computed. [2020-10-27 01:40:15,469 INFO L274 CegarLoopResult]: For program point L829(lines 829 853) no Hoare annotation was computed. [2020-10-27 01:40:15,469 INFO L274 CegarLoopResult]: For program point L3670(lines 3670 5023) no Hoare annotation was computed. [2020-10-27 01:40:15,470 INFO L274 CegarLoopResult]: For program point L4793(lines 4793 4838) no Hoare annotation was computed. [2020-10-27 01:40:15,470 INFO L274 CegarLoopResult]: For program point L1622(lines 1622 5204) no Hoare annotation was computed. [2020-10-27 01:40:15,470 INFO L274 CegarLoopResult]: For program point L3406(lines 3406 5046) no Hoare annotation was computed. [2020-10-27 01:40:15,470 INFO L274 CegarLoopResult]: For program point L1358(lines 1358 5227) no Hoare annotation was computed. [2020-10-27 01:40:15,470 INFO L274 CegarLoopResult]: For program point L301(lines 301 321) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L4331(lines 4331 4966) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L1094(lines 1094 5250) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L2019(lines 2019 5170) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L2812(lines 2812 2823) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L434(lines 434 467) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L3209(lines 3209 3233) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L4002(lines 4002 4994) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L897(lines 897 921) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L270 CegarLoopResult]: At program point L4795(line 4795) the Hoare annotation is: false [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L4795-1(line 4795) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L3738(lines 3738 5017) no Hoare annotation was computed. [2020-10-27 01:40:15,471 INFO L274 CegarLoopResult]: For program point L1690(lines 1690 5198) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L3474(lines 3474 5040) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L1426(lines 1426 5221) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L4399(lines 4399 4960) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L237(lines 237 257) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 5244) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L39(lines 39 61) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L2087(lines 2087 5164) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L2880(lines 2880 2891) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L370(lines 370 553) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L3277(lines 3277 3301) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L4070(lines 4070 4988) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L965(lines 965 989) no Hoare annotation was computed. [2020-10-27 01:40:15,472 INFO L274 CegarLoopResult]: For program point L3806(lines 3806 5011) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L1758(lines 1758 5192) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L3542(lines 3542 5034) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L1494(lines 1494 5215) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L4467(lines 4467 4954) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L1230(lines 1230 5238) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L2155(lines 2155 5158) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L270 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: false [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L41-1(line 41) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L2948(lines 2948 2959) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L4864(lines 4864 4874) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L3345(lines 3345 3369) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L4138(lines 4138 4982) no Hoare annotation was computed. [2020-10-27 01:40:15,473 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1057) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L270 CegarLoopResult]: At program point L4931(lines 4665 4938) the Hoare annotation is: (and (<= 59 main_~main__t~0) (<= main_~main__t~0 main_~main__tagbuf_len~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0))) [2020-10-27 01:40:15,474 INFO L274 CegarLoopResult]: For program point L3874(lines 3874 5005) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L274 CegarLoopResult]: For program point L1826(lines 1826 5186) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L274 CegarLoopResult]: For program point L571(lines 571 591) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L274 CegarLoopResult]: For program point L3610(lines 3610 5028) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L274 CegarLoopResult]: For program point L1562(lines 1562 5209) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L274 CegarLoopResult]: For program point L4535(lines 4535 4948) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L274 CegarLoopResult]: For program point L1298(lines 1298 5232) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L274 CegarLoopResult]: For program point L2223(lines 2223 5152) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L274 CegarLoopResult]: For program point L3016(lines 3016 3027) no Hoare annotation was computed. [2020-10-27 01:40:15,474 INFO L270 CegarLoopResult]: At program point L4866(line 4866) the Hoare annotation is: false [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L704(lines 704 715) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L4866-1(line 4866) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L270 CegarLoopResult]: At program point L506(lines 360 554) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L3413(lines 3413 3437) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L4206(lines 4206 4976) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L1101(lines 1101 1125) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L3942(lines 3942 4999) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L1894(lines 1894 5180) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L3678(lines 3678 5022) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L1630(lines 1630 5203) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L4603(lines 4603 4942) no Hoare annotation was computed. [2020-10-27 01:40:15,475 INFO L274 CegarLoopResult]: For program point L441(lines 441 461) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L1366(lines 1366 5226) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L2291(lines 2291 5146) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L3084(lines 3084 3095) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L772(lines 772 783) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L4802(lines 4802 4837) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L3481(lines 3481 3505) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L4274(lines 4274 4970) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L1169(lines 1169 1193) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L112(lines 112 119) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L4010(lines 4010 4993) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L1962(lines 1962 5174) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L3746(lines 3746 5016) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L1698(lines 1698 5197) no Hoare annotation was computed. [2020-10-27 01:40:15,476 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 5220) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L377(lines 377 397) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L2359(lines 2359 5140) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L3152(lines 3152 3163) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L840(lines 840 851) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L3549(lines 3549 3573) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L312(lines 312 319) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L4342(lines 4342 4964) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1261) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L4078(lines 4078 4987) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L2030(lines 2030 5168) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L3814(lines 3814 5010) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L274 CegarLoopResult]: For program point L1766(lines 1766 5191) no Hoare annotation was computed. [2020-10-27 01:40:15,477 INFO L270 CegarLoopResult]: At program point L643(lines 128 645) the Hoare annotation is: (and (= ~__tmp_148_0~0 |old(~__tmp_148_0~0)|) (= ~__tmp_2390_1~0 |old(~__tmp_2390_1~0)|) (= ~__tmp_109_1~0 |old(~__tmp_109_1~0)|) (= |old(~__tmp_179_0~0)| ~__tmp_179_0~0) (= |old(~__tmp_179_1~0)| ~__tmp_179_1~0) (= |old(~__tmp_179_2~0)| ~__tmp_179_2~0) (= |old(~__return_2583~0)| ~__return_2583~0) (= ~__tmp_109_0~0 |old(~__tmp_109_0~0)|) (<= 0 main_~main__t~0) (= ~__tmp_2390_0~0 |old(~__tmp_2390_0~0)|) (= |old(~__tmp_218_0~0)| ~__tmp_218_0~0)) [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L1502(lines 1502 5214) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L2427(lines 2427 5134) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L3220(lines 3220 3231) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L908(lines 908 919) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L3617(lines 3617 3641) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L4410(lines 4410 4958) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L1305(lines 1305 1329) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L2098(lines 2098 5162) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L4146(lines 4146 4981) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L3882(lines 3882 5004) no Hoare annotation was computed. [2020-10-27 01:40:15,478 INFO L274 CegarLoopResult]: For program point L1834(lines 1834 5185) no Hoare annotation was computed. [2020-10-27 01:40:15,479 INFO L270 CegarLoopResult]: At program point L4873(lines 4730 4922) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~273 0)) (<= 1 main_~__VERIFIER_assert__cond~270) (<= 61 main_~main__t~0) (< main_~main__t~0 (+ main_~main__tagbuf_len~0 1)) (<= 1 main_~__VERIFIER_assert__cond~272) (<= 1 main_~__VERIFIER_assert__cond~271)) [2020-10-27 01:40:15,479 INFO L274 CegarLoopResult]: For program point L4741(lines 4741 4763) no Hoare annotation was computed. [2020-10-27 01:40:15,479 INFO L274 CegarLoopResult]: For program point L1570(lines 1570 5208) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L2495(lines 2495 5128) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L3288(lines 3288 3299) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L51(lines 51 59) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L976(lines 976 987) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L3685(lines 3685 3709) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L4676(lines 4676 4936) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L4478(lines 4478 4952) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L1373(lines 1373 1397) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L4214(lines 4214 4975) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L2166(lines 2166 5156) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L3950(lines 3950 4998) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L274 CegarLoopResult]: For program point L1902(lines 1902 5179) no Hoare annotation was computed. [2020-10-27 01:40:15,480 INFO L270 CegarLoopResult]: At program point L4743(line 4743) the Hoare annotation is: false [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L4743-1(line 4743) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L4809(lines 4809 4831) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L1638(lines 1638 5202) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L2563(lines 2563 5122) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L3356(lines 3356 3367) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L270 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: false [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L1044(lines 1044 1055) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L3753(lines 3753 3777) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L270 CegarLoopResult]: At program point L4678(line 4678) the Hoare annotation is: false [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L4546(lines 4546 4946) no Hoare annotation was computed. [2020-10-27 01:40:15,481 INFO L274 CegarLoopResult]: For program point L4678-1(line 4678) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L1441(lines 1441 1465) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L4282(lines 4282 4969) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L2234(lines 2234 5150) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L4018(lines 4018 4992) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L1970(lines 1970 5173) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L270 CegarLoopResult]: At program point L4811(line 4811) the Hoare annotation is: false [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L4811-1(line 4811) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L1706(lines 1706 5196) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L2631(lines 2631 5116) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L517(lines 517 551) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L3424(lines 3424 3435) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L1112(lines 1112 1123) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L3821(lines 3821 3845) no Hoare annotation was computed. [2020-10-27 01:40:15,482 INFO L274 CegarLoopResult]: For program point L4614(lines 4614 4940) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L1509(lines 1509 1533) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L452(lines 452 459) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L4350(lines 4350 4963) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L2302(lines 2302 5144) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L4086(lines 4086 4986) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L2038(lines 2038 5167) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L1774(lines 1774 5190) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L2699(lines 2699 5110) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L3492(lines 3492 3503) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L1180(lines 1180 1191) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L3889(lines 3889 3913) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L1577(lines 1577 1601) no Hoare annotation was computed. [2020-10-27 01:40:15,483 INFO L274 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L4418(lines 4418 4957) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L2370(lines 2370 5138) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L2106(lines 2106 5161) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L4154(lines 4154 4980) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L1842(lines 1842 5184) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L2767(lines 2767 5104) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L3560(lines 3560 3571) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L1248(lines 1248 1259) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L3957(lines 3957 3981) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L1645(lines 1645 1669) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L4486(lines 4486 4951) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L2438(lines 2438 5132) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L4222(lines 4222 4974) no Hoare annotation was computed. [2020-10-27 01:40:15,484 INFO L274 CegarLoopResult]: For program point L2174(lines 2174 5155) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L1910(lines 1910 5178) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L2835(lines 2835 5098) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L3628(lines 3628 3639) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1327) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L4025(lines 4025 4049) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L4884(lines 4884 4919) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L1713(lines 1713 1737) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L524(lines 524 544) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L4554(lines 4554 4945) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L2506(lines 2506 5126) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L4290(lines 4290 4968) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L2242(lines 2242 5149) no Hoare annotation was computed. [2020-10-27 01:40:15,485 INFO L274 CegarLoopResult]: For program point L128(lines 128 645) no Hoare annotation was computed. [2020-10-27 01:40:15,486 INFO L274 CegarLoopResult]: For program point L1978(lines 1978 5172) no Hoare annotation was computed. [2020-10-27 01:40:15,486 INFO L274 CegarLoopResult]: For program point L2903(lines 2903 5092) no Hoare annotation was computed. [2020-10-27 01:40:15,486 INFO L274 CegarLoopResult]: For program point L3696(lines 3696 3707) no Hoare annotation was computed. [2020-10-27 01:40:15,486 INFO L274 CegarLoopResult]: For program point L4753(lines 4753 4761) no Hoare annotation was computed. [2020-10-27 01:40:15,486 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1395) no Hoare annotation was computed. [2020-10-27 01:40:15,486 INFO L274 CegarLoopResult]: For program point L4093(lines 4093 4117) no Hoare annotation was computed. [2020-10-27 01:40:15,486 INFO L274 CegarLoopResult]: For program point L1781(lines 1781 1805) no Hoare annotation was computed. [2020-10-27 01:40:15,486 INFO L274 CegarLoopResult]: For program point L4622(lines 4622 4939) no Hoare annotation was computed. [2020-10-27 01:40:15,487 INFO L274 CegarLoopResult]: For program point L2574(lines 2574 5120) no Hoare annotation was computed. [2020-10-27 01:40:15,487 INFO L274 CegarLoopResult]: For program point L4688(lines 4688 4934) no Hoare annotation was computed. [2020-10-27 01:40:15,487 INFO L274 CegarLoopResult]: For program point L4358(lines 4358 4962) no Hoare annotation was computed. [2020-10-27 01:40:15,487 INFO L274 CegarLoopResult]: For program point L2310(lines 2310 5143) no Hoare annotation was computed. [2020-10-27 01:40:15,487 INFO L274 CegarLoopResult]: For program point L2046(lines 2046 5166) no Hoare annotation was computed. [2020-10-27 01:40:15,487 INFO L274 CegarLoopResult]: For program point L2971(lines 2971 5086) no Hoare annotation was computed. [2020-10-27 01:40:15,487 INFO L274 CegarLoopResult]: For program point L3764(lines 3764 3775) no Hoare annotation was computed. [2020-10-27 01:40:15,487 INFO L270 CegarLoopResult]: At program point L4755(line 4755) the Hoare annotation is: false [2020-10-27 01:40:15,487 INFO L274 CegarLoopResult]: For program point L4755-1(line 4755) no Hoare annotation was computed. [2020-10-27 01:40:15,487 INFO L274 CegarLoopResult]: For program point L659(lines 659 5290) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L4821(lines 4821 4829) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L1452(lines 1452 1463) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L4161(lines 4161 4185) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L1849(lines 1849 1873) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L270 CegarLoopResult]: At program point L4690(line 4690) the Hoare annotation is: false [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L2642(lines 2642 5114) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L4690-1(line 4690) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L4426(lines 4426 4956) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L2378(lines 2378 5137) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L264(lines 264 599) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L132(lines 132 605) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L2114(lines 2114 5160) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L3039(lines 3039 5080) no Hoare annotation was computed. [2020-10-27 01:40:15,488 INFO L274 CegarLoopResult]: For program point L3832(lines 3832 3843) no Hoare annotation was computed. [2020-10-27 01:40:15,489 INFO L270 CegarLoopResult]: At program point L4823(line 4823) the Hoare annotation is: false [2020-10-27 01:40:15,489 INFO L274 CegarLoopResult]: For program point L4823-1(line 4823) no Hoare annotation was computed. [2020-10-27 01:40:15,489 INFO L274 CegarLoopResult]: For program point L727(lines 727 5284) no Hoare annotation was computed. [2020-10-27 01:40:15,489 INFO L274 CegarLoopResult]: For program point L1520(lines 1520 1531) no Hoare annotation was computed. [2020-10-27 01:40:15,489 INFO L274 CegarLoopResult]: For program point L4229(lines 4229 4253) no Hoare annotation was computed. [2020-10-27 01:40:15,489 INFO L274 CegarLoopResult]: For program point L1917(lines 1917 1941) no Hoare annotation was computed. [2020-10-27 01:40:15,489 INFO L274 CegarLoopResult]: For program point L2710(lines 2710 5108) no Hoare annotation was computed. [2020-10-27 01:40:15,489 INFO L274 CegarLoopResult]: For program point L4494(lines 4494 4950) no Hoare annotation was computed. [2020-10-27 01:40:15,489 INFO L274 CegarLoopResult]: For program point L2446(lines 2446 5131) no Hoare annotation was computed. [2020-10-27 01:40:15,491 INFO L274 CegarLoopResult]: For program point L2182(lines 2182 5154) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L68(lines 68 5292) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L3107(lines 3107 5074) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L3900(lines 3900 3911) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L4891(lines 4891 4913) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L795(lines 795 5278) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L270 CegarLoopResult]: At program point L597(lines 264 599) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L1588(lines 1588 1599) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L4297(lines 4297 4321) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L1985(lines 1985 2009) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L2778(lines 2778 5102) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L4562(lines 4562 4944) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L2514(lines 2514 5125) no Hoare annotation was computed. [2020-10-27 01:40:15,492 INFO L274 CegarLoopResult]: For program point L268(lines 268 558) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L2250(lines 2250 5148) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L3175(lines 3175 5068) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L3968(lines 3968 3979) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L863(lines 863 5272) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L270 CegarLoopResult]: At program point L4893(line 4893) the Hoare annotation is: false [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L4893-1(line 4893) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L1656(lines 1656 1667) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L270 CegarLoopResult]: At program point L335(lines 268 558) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 22 5301) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L4365(lines 4365 4389) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L2053(lines 2053 2077) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L2846(lines 2846 5096) no Hoare annotation was computed. [2020-10-27 01:40:15,493 INFO L274 CegarLoopResult]: For program point L4630(lines 4630 4938) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L2582(lines 2582 5119) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L2318(lines 2318 5142) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L3243(lines 3243 5062) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L4036(lines 4036 4047) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L931(lines 931 5266) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L1724(lines 1724 1735) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L535(lines 535 542) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L4697(lines 4697 4933) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L4433(lines 4433 4457) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L139(lines 139 194) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L2121(lines 2121 2145) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L2914(lines 2914 5090) no Hoare annotation was computed. [2020-10-27 01:40:15,494 INFO L274 CegarLoopResult]: For program point L2650(lines 2650 5113) no Hoare annotation was computed. [2020-10-27 01:40:15,496 INFO L274 CegarLoopResult]: For program point L404(lines 404 552) no Hoare annotation was computed. [2020-10-27 01:40:15,496 INFO L274 CegarLoopResult]: For program point L2386(lines 2386 5136) no Hoare annotation was computed. [2020-10-27 01:40:15,496 INFO L274 CegarLoopResult]: For program point L206(lines 206 603) no Hoare annotation was computed. [2020-10-27 01:40:15,496 INFO L274 CegarLoopResult]: For program point L3311(lines 3311 5056) no Hoare annotation was computed. [2020-10-27 01:40:15,496 INFO L274 CegarLoopResult]: For program point L4104(lines 4104 4115) no Hoare annotation was computed. [2020-10-27 01:40:15,496 INFO L274 CegarLoopResult]: For program point L999(lines 999 5260) no Hoare annotation was computed. [2020-10-27 01:40:15,496 INFO L274 CegarLoopResult]: For program point L1792(lines 1792 1803) no Hoare annotation was computed. [2020-10-27 01:40:15,496 INFO L270 CegarLoopResult]: At program point L4699(lines 31 5293) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L4501(lines 4501 4525) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L2189(lines 2189 2213) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L75(lines 75 649) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L2982(lines 2982 5084) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L2718(lines 2718 5107) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L670(lines 670 5288) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L2454(lines 2454 5130) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L3379(lines 3379 5050) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L4172(lines 4172 4183) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L1067(lines 1067 5254) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L1860(lines 1860 1871) no Hoare annotation was computed. [2020-10-27 01:40:15,497 INFO L274 CegarLoopResult]: For program point L4569(lines 4569 4593) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L275(lines 275 330) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L2257(lines 2257 2281) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L3050(lines 3050 5078) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L2786(lines 2786 5101) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L738(lines 738 5282) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L2522(lines 2522 5124) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L408(lines 408 511) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L3447(lines 3447 5044) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 5248) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L270 CegarLoopResult]: At program point L5297(lines 27 5300) the Hoare annotation is: (or (and (= ~__tmp_148_0~0 |old(~__tmp_148_0~0)|) (= ~__tmp_2390_1~0 |old(~__tmp_2390_1~0)|) (= ~__tmp_109_1~0 |old(~__tmp_109_1~0)|) (= |old(~__tmp_179_0~0)| ~__tmp_179_0~0) (= |old(~__tmp_179_1~0)| ~__tmp_179_1~0) (= |old(~__tmp_179_2~0)| ~__tmp_179_2~0) (= |old(~__return_2583~0)| ~__return_2583~0) (= ~__tmp_109_0~0 |old(~__tmp_109_0~0)|) (= ~__tmp_2390_0~0 |old(~__tmp_2390_0~0)|) (= |old(~__tmp_218_0~0)| ~__tmp_218_0~0)) (<= 0 main_~main__t~0)) [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L4240(lines 4240 4251) no Hoare annotation was computed. [2020-10-27 01:40:15,498 INFO L274 CegarLoopResult]: For program point L1928(lines 1928 1939) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L270 CegarLoopResult]: At program point L475(lines 408 511) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L4637(lines 4637 4661) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L2325(lines 2325 2349) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L3118(lines 3118 5072) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L2854(lines 2854 5095) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L806(lines 806 5276) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L4770(lines 4770 4920) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L2590(lines 2590 5118) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L3515(lines 3515 5038) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L344(lines 344 556) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L1203(lines 1203 5242) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L4308(lines 4308 4319) no Hoare annotation was computed. [2020-10-27 01:40:15,499 INFO L274 CegarLoopResult]: For program point L1996(lines 1996 2007) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L4903(lines 4903 4911) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L4705(lines 4705 4932) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L2393(lines 2393 2417) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L3186(lines 3186 5066) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L2922(lines 2922 5089) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L874(lines 874 5270) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L2658(lines 2658 5112) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L3583(lines 3583 5032) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L1271(lines 1271 5236) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L4376(lines 4376 4387) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L274 CegarLoopResult]: For program point L2064(lines 2064 2075) no Hoare annotation was computed. [2020-10-27 01:40:15,500 INFO L270 CegarLoopResult]: At program point L4905(line 4905) the Hoare annotation is: false [2020-10-27 01:40:15,501 INFO L274 CegarLoopResult]: For program point L4905-1(line 4905) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L611(lines 611 644) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L2461(lines 2461 2485) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L3254(lines 3254 5060) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L2990(lines 2990 5083) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L942(lines 942 5264) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L4774(lines 4774 4878) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L2726(lines 2726 5106) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L678(lines 678 5287) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L3651(lines 3651 5026) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L1339(lines 1339 5230) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L4444(lines 4444 4455) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L150(lines 150 192) no Hoare annotation was computed. [2020-10-27 01:40:15,502 INFO L274 CegarLoopResult]: For program point L2132(lines 2132 2143) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L2529(lines 2529 2553) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L415(lines 415 470) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L3322(lines 3322 5054) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L217(lines 217 601) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L3058(lines 3058 5077) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 5258) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L2794(lines 2794 5100) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L746(lines 746 5281) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L3719(lines 3719 5020) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L1407(lines 1407 5224) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L4512(lines 4512 4523) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L2200(lines 2200 2211) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L86(lines 86 647) no Hoare annotation was computed. [2020-10-27 01:40:15,503 INFO L274 CegarLoopResult]: For program point L2597(lines 2597 2621) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L3390(lines 3390 5048) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L3126(lines 3126 5071) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L1078(lines 1078 5252) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L2862(lines 2862 5094) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L814(lines 814 5275) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L3787(lines 3787 5014) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L270 CegarLoopResult]: At program point L550(lines 404 552) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L4712(lines 4712 4924) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L484(lines 484 509) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L1475(lines 1475 5218) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L4580(lines 4580 4591) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L286(lines 286 328) no Hoare annotation was computed. [2020-10-27 01:40:15,504 INFO L274 CegarLoopResult]: For program point L2268(lines 2268 2279) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L2665(lines 2665 2689) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L3458(lines 3458 5042) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L3194(lines 3194 5065) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L1146(lines 1146 5246) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L2930(lines 2930 5088) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L882(lines 882 5269) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L3855(lines 3855 5008) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L270 CegarLoopResult]: At program point L4714(line 4714) the Hoare annotation is: false [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L618(lines 618 638) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L1543(lines 1543 5212) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L4714-1(line 4714) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L4648(lines 4648 4659) no Hoare annotation was computed. [2020-10-27 01:40:15,505 INFO L274 CegarLoopResult]: For program point L2336(lines 2336 2347) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L2733(lines 2733 2757) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L4781(lines 4781 4840) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L3526(lines 3526 5036) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L355(lines 355 554) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L3262(lines 3262 5059) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L1214(lines 1214 5240) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L2998(lines 2998 5082) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L950(lines 950 5263) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L3923(lines 3923 5002) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L686(lines 686 5286) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L1611(lines 1611 5206) no Hoare annotation was computed. [2020-10-27 01:40:15,506 INFO L274 CegarLoopResult]: For program point L2404(lines 2404 2415) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L158(lines 158 191) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L270 CegarLoopResult]: At program point L4783(line 4783) the Hoare annotation is: false [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L2801(lines 2801 2825) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L4783-1(line 4783) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L3594(lines 3594 5030) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L3330(lines 3330 5053) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L1282(lines 1282 5234) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L27(lines 27 5300) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L3066(lines 3066 5076) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L1018(lines 1018 5257) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L3991(lines 3991 4996) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L754(lines 754 5280) no Hoare annotation was computed. [2020-10-27 01:40:15,507 INFO L274 CegarLoopResult]: For program point L1679(lines 1679 5200) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L2472(lines 2472 2483) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L94(lines 94 646) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L2869(lines 2869 2893) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L3662(lines 3662 5024) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L3398(lines 3398 5047) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L1350(lines 1350 5228) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L3134(lines 3134 5070) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L1086(lines 1086 5251) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L4059(lines 4059 4990) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L270 CegarLoopResult]: At program point L4918(lines 4770 4920) the Hoare annotation is: (and (<= (+ main_~main__t~0 1) main_~main__tagbuf_len~0) (not (= main_~__VERIFIER_assert__cond~273 0)) (<= 1 main_~__VERIFIER_assert__cond~270) (<= 61 main_~main__t~0) (<= 1 main_~__VERIFIER_assert__cond~272) (<= 1 main_~__VERIFIER_assert__cond~271)) [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L822(lines 822 5274) no Hoare annotation was computed. [2020-10-27 01:40:15,508 INFO L274 CegarLoopResult]: For program point L1747(lines 1747 5194) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L4852(lines 4852 4876) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L2540(lines 2540 2551) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L426(lines 426 468) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L294(lines 294 327) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 22 5301) the Hoare annotation is: (and (= ~__tmp_148_0~0 |old(~__tmp_148_0~0)|) (= ~__tmp_2390_1~0 |old(~__tmp_2390_1~0)|) (= ~__tmp_109_1~0 |old(~__tmp_109_1~0)|) (= |old(~__tmp_179_0~0)| ~__tmp_179_0~0) (= |old(~__tmp_179_1~0)| ~__tmp_179_1~0) (= |old(~__tmp_179_2~0)| ~__tmp_179_2~0) (= |old(~__return_2583~0)| ~__return_2583~0) (= ~__tmp_109_0~0 |old(~__tmp_109_0~0)|) (= ~__tmp_2390_0~0 |old(~__tmp_2390_0~0)|) (= |old(~__tmp_218_0~0)| ~__tmp_218_0~0)) [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L2937(lines 2937 2961) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L3730(lines 3730 5018) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L3466(lines 3466 5041) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L1418(lines 1418 5222) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L3202(lines 3202 5064) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 5245) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L31(lines 31 5293) no Hoare annotation was computed. [2020-10-27 01:40:15,509 INFO L274 CegarLoopResult]: For program point L4127(lines 4127 4984) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L890(lines 890 5268) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L270 CegarLoopResult]: At program point L4854(line 4854) the Hoare annotation is: false [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L1815(lines 1815 5188) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L4854-1(line 4854) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L2608(lines 2608 2619) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L230(lines 230 600) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L3005(lines 3005 3029) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L3798(lines 3798 5012) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L693(lines 693 717) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L495(lines 495 507) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L3534(lines 3534 5035) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L1486(lines 1486 5216) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L3270(lines 3270 5058) no Hoare annotation was computed. [2020-10-27 01:40:15,510 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 5239) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L165(lines 165 185) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L4195(lines 4195 4978) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L958(lines 958 5262) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L1883(lines 1883 5182) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L2676(lines 2676 2687) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L270 CegarLoopResult]: At program point L4658(lines 68 5292) the Hoare annotation is: (<= 0 main_~main__t~0) [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L4724(lines 4724 4922) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L3073(lines 3073 3097) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L3866(lines 3866 5006) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L761(lines 761 785) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L629(lines 629 636) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L3602(lines 3602 5029) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L1554(lines 1554 5210) no Hoare annotation was computed. [2020-10-27 01:40:15,511 INFO L274 CegarLoopResult]: For program point L3338(lines 3338 5052) no Hoare annotation was computed. [2020-10-27 01:40:15,512 INFO L274 CegarLoopResult]: For program point L1290(lines 1290 5233) no Hoare annotation was computed. [2020-10-27 01:40:15,512 INFO L274 CegarLoopResult]: For program point L4263(lines 4263 4972) no Hoare annotation was computed. [2020-10-27 01:40:15,512 INFO L274 CegarLoopResult]: For program point L101(lines 101 121) no Hoare annotation was computed. [2020-10-27 01:40:15,512 INFO L274 CegarLoopResult]: For program point L1026(lines 1026 5256) no Hoare annotation was computed. [2020-10-27 01:40:15,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:40:15 BoogieIcfgContainer [2020-10-27 01:40:15,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 01:40:15,552 INFO L168 Benchmark]: Toolchain (without parser) took 161855.80 ms. Allocated memory was 153.1 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 106.4 MB in the beginning and 608.5 MB in the end (delta: -502.2 MB). Peak memory consumption was 910.2 MB. Max. memory is 8.0 GB. [2020-10-27 01:40:15,552 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 153.1 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 01:40:15,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1536.98 ms. Allocated memory is still 153.1 MB. Free memory was 105.7 MB in the beginning and 104.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:40:15,554 INFO L168 Benchmark]: Boogie Preprocessor took 226.79 ms. Allocated memory is still 153.1 MB. Free memory was 104.0 MB in the beginning and 96.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 01:40:15,554 INFO L168 Benchmark]: RCFGBuilder took 2848.18 ms. Allocated memory was 153.1 MB in the beginning and 192.9 MB in the end (delta: 39.8 MB). Free memory was 96.4 MB in the beginning and 155.9 MB in the end (delta: -59.5 MB). Peak memory consumption was 88.6 MB. Max. memory is 8.0 GB. [2020-10-27 01:40:15,555 INFO L168 Benchmark]: TraceAbstraction took 157231.50 ms. Allocated memory was 192.9 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 155.4 MB in the beginning and 608.5 MB in the end (delta: -453.2 MB). Peak memory consumption was 917.9 MB. Max. memory is 8.0 GB. [2020-10-27 01:40:15,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 153.1 MB. Free memory is still 126.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1536.98 ms. Allocated memory is still 153.1 MB. Free memory was 105.7 MB in the beginning and 104.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 226.79 ms. Allocated memory is still 153.1 MB. Free memory was 104.0 MB in the beginning and 96.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2848.18 ms. Allocated memory was 153.1 MB in the beginning and 192.9 MB in the end (delta: 39.8 MB). Free memory was 96.4 MB in the beginning and 155.9 MB in the end (delta: -59.5 MB). Peak memory consumption was 88.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 157231.50 ms. Allocated memory was 192.9 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 155.4 MB in the beginning and 608.5 MB in the end (delta: -453.2 MB). Peak memory consumption was 917.9 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: 408]: Loop Invariant Derived loop invariant: 0 <= main__t - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 <= main__t - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 <= main__t - InvariantResult [Line: 4665]: Loop Invariant Derived loop invariant: (59 <= main__t && main__t <= main__tagbuf_len) && !(main__tagbuf_len == main__t) - InvariantResult [Line: 4730]: Loop Invariant Derived loop invariant: ((((!(__VERIFIER_assert__cond == 0) && 1 <= __VERIFIER_assert__cond) && 61 <= main__t) && main__t < main__tagbuf_len + 1) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((((__tmp_148_0 == \old(__tmp_148_0) && __tmp_2390_1 == \old(__tmp_2390_1)) && __tmp_109_1 == \old(__tmp_109_1)) && \old(__tmp_179_0) == __tmp_179_0) && \old(__tmp_179_1) == __tmp_179_1) && \old(__tmp_179_2) == __tmp_179_2) && \old(__return_2583) == __return_2583) && __tmp_109_0 == \old(__tmp_109_0)) && 0 <= main__t) && __tmp_2390_0 == \old(__tmp_2390_0)) && \old(__tmp_218_0) == __tmp_218_0 - InvariantResult [Line: 4770]: Loop Invariant Derived loop invariant: ((((main__t + 1 <= main__tagbuf_len && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && 61 <= main__t) && 1 <= __VERIFIER_assert__cond) && 1 <= __VERIFIER_assert__cond - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((__tmp_148_0 == \old(__tmp_148_0) && __tmp_2390_1 == \old(__tmp_2390_1)) && __tmp_109_1 == \old(__tmp_109_1)) && \old(__tmp_179_0) == __tmp_179_0) && \old(__tmp_179_1) == __tmp_179_1) && \old(__tmp_179_2) == __tmp_179_2) && \old(__return_2583) == __return_2583) && __tmp_109_0 == \old(__tmp_109_0)) && __tmp_2390_0 == \old(__tmp_2390_0)) && \old(__tmp_218_0) == __tmp_218_0) || 0 <= main__t - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 <= main__t - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 <= main__t - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 488 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 156.3s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 51.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1114 SDtfs, 29352 SDslu, 875 SDs, 0 SdLazy, 12807 SolverSat, 8446 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1491 GetRequests, 346 SyntacticMatches, 505 SemanticMatches, 640 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9040 ImplicationChecksByTransitivity, 45.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 91 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 48 PreInvPairs, 53 NumberOfFragments, 263 HoareAnnotationTreeSize, 48 FomulaSimplifications, 3119 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 624 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 100.8s InterpolantComputationTime, 3620 NumberOfCodeBlocks, 3620 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3604 ConstructedInterpolants, 0 QuantifiedInterpolants, 3539747 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 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...