/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:45:09,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:45:09,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:45:09,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:45:09,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:45:09,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:45:09,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:45:09,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:45:09,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:45:09,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:45:09,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:45:09,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:45:09,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:45:09,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:45:09,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:45:09,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:45:09,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:45:09,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:45:09,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:45:09,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:45:09,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:45:09,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:45:09,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:45:09,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:45:09,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:45:09,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:45:09,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:45:09,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:45:09,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:45:09,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:45:09,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:45:09,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:45:09,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:45:09,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:45:09,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:45:09,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:45:09,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:45:09,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:45:09,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:45:09,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:45:09,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:45:09,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:45:09,797 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:45:09,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:45:09,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:45:09,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:45:09,802 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:45:09,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:45:09,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:45:09,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:45:09,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:45:09,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:45:09,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:45:09,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:45:09,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:45:09,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:45:09,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:45:09,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:45:09,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:45:09,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:45:09,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:45:09,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:45:09,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:45:09,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:45:09,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:45:09,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:45:09,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:45:09,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:45:09,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:45:09,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:45:09,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:45:09,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:45:10,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:45:10,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:45:10,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:45:10,275 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:45:10,277 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:45:10,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label09.c [2020-10-29 04:45:10,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4011724c/b1e96e5bfd874acfb894c3011ced4e46/FLAGb9ebea17d [2020-10-29 04:45:11,186 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:45:11,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label09.c [2020-10-29 04:45:11,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4011724c/b1e96e5bfd874acfb894c3011ced4e46/FLAGb9ebea17d [2020-10-29 04:45:11,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4011724c/b1e96e5bfd874acfb894c3011ced4e46 [2020-10-29 04:45:11,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:45:11,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:45:11,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:45:11,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:45:11,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:45:11,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:45:11" (1/1) ... [2020-10-29 04:45:11,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc4f5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:11, skipping insertion in model container [2020-10-29 04:45:11,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:45:11" (1/1) ... [2020-10-29 04:45:11,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:45:11,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:45:11,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:45:11,921 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:45:12,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:45:12,138 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:45:12,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12 WrapperNode [2020-10-29 04:45:12,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:45:12,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:45:12,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:45:12,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:45:12,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12" (1/1) ... [2020-10-29 04:45:12,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12" (1/1) ... [2020-10-29 04:45:12,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12" (1/1) ... [2020-10-29 04:45:12,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12" (1/1) ... [2020-10-29 04:45:12,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12" (1/1) ... [2020-10-29 04:45:12,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12" (1/1) ... [2020-10-29 04:45:12,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12" (1/1) ... [2020-10-29 04:45:12,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:45:12,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:45:12,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:45:12,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:45:12,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:45:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:45:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:45:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:45:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:45:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:45:13,966 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:45:13,966 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:45:13,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:45:13 BoogieIcfgContainer [2020-10-29 04:45:13,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:45:13,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:45:13,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:45:13,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:45:13,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:45:11" (1/3) ... [2020-10-29 04:45:13,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671632c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:45:13, skipping insertion in model container [2020-10-29 04:45:13,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:45:12" (2/3) ... [2020-10-29 04:45:13,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671632c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:45:13, skipping insertion in model container [2020-10-29 04:45:13,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:45:13" (3/3) ... [2020-10-29 04:45:13,979 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label09.c [2020-10-29 04:45:13,993 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:45:13,999 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:45:14,013 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:45:14,044 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:45:14,045 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:45:14,045 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:45:14,045 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:45:14,045 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:45:14,045 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:45:14,046 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:45:14,046 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:45:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-29 04:45:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-29 04:45:14,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:14,089 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] [2020-10-29 04:45:14,089 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:14,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:14,096 INFO L82 PathProgramCache]: Analyzing trace with hash 778332747, now seen corresponding path program 1 times [2020-10-29 04:45:14,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:14,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838181638] [2020-10-29 04:45:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:14,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:14,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:16,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:16,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 04:45:16,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:45:16,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2171 [2020-10-29 04:45:16,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:16,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:45:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:45:16,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 04:45:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 04:45:16,958 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:45:16,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:16,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:17,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:17,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:17,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:17,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 04:45:17,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:17,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:17,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:45:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:17,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838181638] [2020-10-29 04:45:17,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:45:17,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:45:17,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95442307] [2020-10-29 04:45:17,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:45:17,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:17,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:45:17,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:45:17,188 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 4 states. [2020-10-29 04:45:17,574 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:45:19,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:19,584 INFO L93 Difference]: Finished difference Result 562 states and 961 transitions. [2020-10-29 04:45:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:19,586 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-10-29 04:45:19,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:19,602 INFO L225 Difference]: With dead ends: 562 [2020-10-29 04:45:19,602 INFO L226 Difference]: Without dead ends: 287 [2020-10-29 04:45:19,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:19,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-29 04:45:19,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 283. [2020-10-29 04:45:19,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-29 04:45:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 393 transitions. [2020-10-29 04:45:19,701 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 393 transitions. Word has length 125 [2020-10-29 04:45:19,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:19,702 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 393 transitions. [2020-10-29 04:45:19,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:45:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2020-10-29 04:45:19,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-29 04:45:19,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:19,712 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:19,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:45:19,713 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:19,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:19,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1100448749, now seen corresponding path program 1 times [2020-10-29 04:45:19,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:19,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253673489] [2020-10-29 04:45:19,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:19,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:20,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:20,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:21,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:21,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-29 04:45:21,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:45:21,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1992 [2020-10-29 04:45:21,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:21,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 04:45:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 04:45:21,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:21,965 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-29 04:45:21,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:21,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:21,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:21,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:21,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:21,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 04:45:21,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:21,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:21,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:21,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:22,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:22,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:22,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:22,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:45:22,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:22,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:45:22,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:22,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 04:45:22,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:22,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253673489] [2020-10-29 04:45:22,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:22,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:22,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561088107] [2020-10-29 04:45:22,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:22,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:22,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:22,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:22,122 INFO L87 Difference]: Start difference. First operand 283 states and 393 transitions. Second operand 5 states. [2020-10-29 04:45:22,256 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-29 04:45:23,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:23,659 INFO L93 Difference]: Finished difference Result 838 states and 1189 transitions. [2020-10-29 04:45:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:23,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-10-29 04:45:23,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:23,673 INFO L225 Difference]: With dead ends: 838 [2020-10-29 04:45:23,673 INFO L226 Difference]: Without dead ends: 561 [2020-10-29 04:45:23,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:23,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-29 04:45:23,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 557. [2020-10-29 04:45:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-10-29 04:45:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 750 transitions. [2020-10-29 04:45:23,751 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 750 transitions. Word has length 133 [2020-10-29 04:45:23,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:23,752 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 750 transitions. [2020-10-29 04:45:23,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 750 transitions. [2020-10-29 04:45:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-29 04:45:23,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:23,758 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:23,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:45:23,759 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:23,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:23,760 INFO L82 PathProgramCache]: Analyzing trace with hash -126902936, now seen corresponding path program 1 times [2020-10-29 04:45:23,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:23,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068061993] [2020-10-29 04:45:23,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:23,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:23,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:24,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:25,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:26,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:26,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:26,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 04:45:26,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:45:26,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2676 [2020-10-29 04:45:26,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:26,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-29 04:45:26,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 04:45:26,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:26,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:26,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:26,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:26,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:26,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:26,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 04:45:26,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:26,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:26,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:26,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:26,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:26,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:26,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:26,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:45:26,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:26,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:45:26,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:26,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:26,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:26,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:45:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:26,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:26,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:26,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 04:45:26,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 04:45:26,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:26,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 04:45:26,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:26,772 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 04:45:26,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068061993] [2020-10-29 04:45:26,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:26,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:26,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999793730] [2020-10-29 04:45:26,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:26,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:26,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:26,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:26,786 INFO L87 Difference]: Start difference. First operand 557 states and 750 transitions. Second operand 5 states. [2020-10-29 04:45:28,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:28,306 INFO L93 Difference]: Finished difference Result 1523 states and 2083 transitions. [2020-10-29 04:45:28,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:28,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-10-29 04:45:28,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:28,322 INFO L225 Difference]: With dead ends: 1523 [2020-10-29 04:45:28,322 INFO L226 Difference]: Without dead ends: 972 [2020-10-29 04:45:28,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:28,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2020-10-29 04:45:28,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 696. [2020-10-29 04:45:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-10-29 04:45:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 946 transitions. [2020-10-29 04:45:28,400 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 946 transitions. Word has length 156 [2020-10-29 04:45:28,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:28,402 INFO L481 AbstractCegarLoop]: Abstraction has 696 states and 946 transitions. [2020-10-29 04:45:28,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:28,402 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 946 transitions. [2020-10-29 04:45:28,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-29 04:45:28,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:28,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:28,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:45:28,413 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:28,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:28,414 INFO L82 PathProgramCache]: Analyzing trace with hash -2048756525, now seen corresponding path program 1 times [2020-10-29 04:45:28,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:28,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293993528] [2020-10-29 04:45:28,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:28,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:28,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:33,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:33,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-29 04:45:33,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:45:33,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-29 04:45:33,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:33,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-29 04:45:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 04:45:33,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:33,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:33,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:33,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:33,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:33,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 04:45:33,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:33,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:33,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:33,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:33,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:33,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:33,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:33,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:33,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:33,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 04:45:33,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:33,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:45:33,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:33,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:33,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:33,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:33,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:33,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 04:45:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:33,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:33,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:33,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 04:45:33,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:33,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 04:45:33,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:33,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:33,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 04:45:33,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 04:45:33,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293993528] [2020-10-29 04:45:33,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:33,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:33,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613870938] [2020-10-29 04:45:33,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:33,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:33,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:33,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:33,857 INFO L87 Difference]: Start difference. First operand 696 states and 946 transitions. Second operand 5 states. [2020-10-29 04:45:34,158 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:45:35,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:35,625 INFO L93 Difference]: Finished difference Result 2077 states and 2894 transitions. [2020-10-29 04:45:35,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:35,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-29 04:45:35,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:35,635 INFO L225 Difference]: With dead ends: 2077 [2020-10-29 04:45:35,636 INFO L226 Difference]: Without dead ends: 1387 [2020-10-29 04:45:35,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:35,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-10-29 04:45:35,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1246. [2020-10-29 04:45:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1246 states. [2020-10-29 04:45:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1650 transitions. [2020-10-29 04:45:35,705 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1650 transitions. Word has length 167 [2020-10-29 04:45:35,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:35,706 INFO L481 AbstractCegarLoop]: Abstraction has 1246 states and 1650 transitions. [2020-10-29 04:45:35,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1650 transitions. [2020-10-29 04:45:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-29 04:45:35,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:45:35,712 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:45:35,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:45:35,713 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:45:35,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:45:35,713 INFO L82 PathProgramCache]: Analyzing trace with hash -205784054, now seen corresponding path program 1 times [2020-10-29 04:45:35,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:45:35,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249577251] [2020-10-29 04:45:35,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:45:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:35,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:35,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:36,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:38,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:40,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:40,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-29 04:45:40,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:45:40,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4559 [2020-10-29 04:45:40,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:40,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:40,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:45:40,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-29 04:45:40,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-29 04:45:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:45:40,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:45:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:40,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:40,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:40,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:45:40,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:40,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:45:40,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:40,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:45:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:45:40,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:40,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:45:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:45:40,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:45:40,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:45:40,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 04:45:40,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:45:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 04:45:40,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:45:40,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:45:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:45:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:45:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 04:45:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:45:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 69 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:45:40,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249577251] [2020-10-29 04:45:40,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:45:40,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:45:40,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171010749] [2020-10-29 04:45:40,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:45:40,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:45:40,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:45:40,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:45:40,718 INFO L87 Difference]: Start difference. First operand 1246 states and 1650 transitions. Second operand 5 states. [2020-10-29 04:45:41,093 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-29 04:45:42,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:45:42,564 INFO L93 Difference]: Finished difference Result 3172 states and 4217 transitions. [2020-10-29 04:45:42,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:45:42,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2020-10-29 04:45:42,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:45:42,566 INFO L225 Difference]: With dead ends: 3172 [2020-10-29 04:45:42,566 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:45:42,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:45:42,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:45:42,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:45:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:45:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:45:42,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198 [2020-10-29 04:45:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:45:42,575 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:45:42,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:45:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:45:42,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:45:42,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:45:42,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:45:43,810 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 42 [2020-10-29 04:45:44,003 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:45:44,004 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:45:44,004 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:45:44,004 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:45:44,004 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:45:44,005 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-29 04:45:44,005 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:45:44,005 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,005 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,005 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,005 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,005 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,005 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,006 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-29 04:45:44,006 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-29 04:45:44,006 INFO L270 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: (and (not (= 14 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (<= |old(~a16~0)| 4)) (not (= 15 |old(~a8~0)|)) (= |old(~a7~0)| 1)) [2020-10-29 04:45:44,006 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-29 04:45:44,006 INFO L274 CegarLoopResult]: For program point L532-1(line 532) no Hoare annotation was computed. [2020-10-29 04:45:44,006 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-29 04:45:44,006 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-29 04:45:44,006 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-29 04:45:44,007 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-29 04:45:44,007 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-29 04:45:44,007 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-29 04:45:44,007 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-29 04:45:44,007 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-29 04:45:44,007 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,007 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,007 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,008 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,008 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,008 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,008 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-29 04:45:44,008 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-29 04:45:44,008 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-29 04:45:44,008 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-29 04:45:44,008 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-29 04:45:44,008 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-29 04:45:44,009 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-29 04:45:44,009 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-29 04:45:44,009 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-29 04:45:44,009 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-29 04:45:44,009 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,009 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,009 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,009 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,009 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,010 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,010 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-29 04:45:44,010 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-29 04:45:44,010 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-29 04:45:44,010 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-29 04:45:44,010 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-29 04:45:44,010 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-29 04:45:44,010 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-29 04:45:44,010 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-29 04:45:44,011 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-29 04:45:44,011 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-29 04:45:44,011 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-29 04:45:44,011 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-29 04:45:44,011 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-29 04:45:44,011 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-29 04:45:44,011 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-29 04:45:44,011 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,011 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-29 04:45:44,012 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-29 04:45:44,013 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-29 04:45:44,013 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-29 04:45:44,013 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,013 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,013 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,013 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,013 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,013 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-29 04:45:44,013 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-29 04:45:44,014 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-29 04:45:44,015 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-29 04:45:44,015 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,015 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,015 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,015 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,015 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,015 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-29 04:45:44,015 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-29 04:45:44,015 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,016 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-29 04:45:44,017 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,018 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-29 04:45:44,019 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,020 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,020 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a21~0 |old(~a21~0)|)) (.cse2 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a8~0 |old(~a8~0)|))) (let ((.cse6 (and .cse1 .cse0 .cse3 .cse2 .cse4 .cse5))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not (= 15 |old(~a8~0)|)) (= |old(~a7~0)| 1))) (or (not (<= |old(~a16~0)| 4)) .cse6) (or (not (= 14 |old(~a8~0)|)) (and .cse1 .cse0 .cse3 .cse2 (= 14 ~a8~0) .cse4)) (or (not (= |old(~a20~0)| 1)) .cse6)))) [2020-10-29 04:45:44,020 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,020 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,020 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,020 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-29 04:45:44,020 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-29 04:45:44,021 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-29 04:45:44,022 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,023 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-29 04:45:44,024 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-29 04:45:44,025 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:45:44,026 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a8~0 15) (= ~a20~0 1) (not (= ~a7~0 1))) [2020-10-29 04:45:44,026 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:45:44,026 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:45:44,026 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 15)) (not (= 15 |old(~a8~0)|)) (= |old(~a7~0)| 1)) [2020-10-29 04:45:44,026 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:45:44,026 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (= 14 ~a8~0) (<= ~a16~0 4) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a20~0 1) (not (= ~a7~0 1)) (not (= 15 |old(~a8~0)|)) (= |old(~a7~0)| 1)) [2020-10-29 04:45:44,026 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-29 04:45:44,027 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-29 04:45:44,027 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (= 14 ~a8~0) (<= ~a16~0 4) (not (= |old(~a20~0)| 1)) (= ~a8~0 15) (= ~a20~0 1) (not (= ~a7~0 1)) (not (= 15 |old(~a8~0)|)) (= |old(~a7~0)| 1)) [2020-10-29 04:45:44,027 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-29 04:45:44,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:45:44 BoogieIcfgContainer [2020-10-29 04:45:44,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:45:44,050 INFO L168 Benchmark]: Toolchain (without parser) took 32660.90 ms. Allocated memory was 153.1 MB in the beginning and 609.2 MB in the end (delta: 456.1 MB). Free memory was 126.5 MB in the beginning and 283.9 MB in the end (delta: -157.4 MB). Peak memory consumption was 299.1 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:44,051 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory was 126.7 MB in the beginning and 126.7 MB in the end (delta: 81.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:45:44,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.46 ms. Allocated memory is still 153.1 MB. Free memory was 125.9 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:44,053 INFO L168 Benchmark]: Boogie Preprocessor took 143.24 ms. Allocated memory is still 153.1 MB. Free memory was 98.6 MB in the beginning and 130.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:44,054 INFO L168 Benchmark]: RCFGBuilder took 1681.98 ms. Allocated memory is still 153.1 MB. Free memory was 130.6 MB in the beginning and 108.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:44,055 INFO L168 Benchmark]: TraceAbstraction took 30077.66 ms. Allocated memory was 153.1 MB in the beginning and 609.2 MB in the end (delta: 456.1 MB). Free memory was 108.7 MB in the beginning and 283.9 MB in the end (delta: -175.2 MB). Peak memory consumption was 281.0 MB. Max. memory is 8.0 GB. [2020-10-29 04:45:44,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory was 126.7 MB in the beginning and 126.7 MB in the end (delta: 81.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 743.46 ms. Allocated memory is still 153.1 MB. Free memory was 125.9 MB in the beginning and 98.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 143.24 ms. Allocated memory is still 153.1 MB. Free memory was 98.6 MB in the beginning and 130.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1681.98 ms. Allocated memory is still 153.1 MB. Free memory was 130.6 MB in the beginning and 108.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 30077.66 ms. Allocated memory was 153.1 MB in the beginning and 609.2 MB in the end (delta: 456.1 MB). Free memory was 108.7 MB in the beginning and 283.9 MB in the end (delta: -175.2 MB). Peak memory consumption was 281.0 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: 585]: Loop Invariant Derived loop invariant: ((((((14 == a8 || a16 <= 4) || !(\old(a20) == 1)) || a8 == 15) || a20 == 1) || !(a7 == 1)) || !(15 == \old(a8))) || \old(a7) == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 125 SDtfs, 1326 SDslu, 90 SDs, 0 SdLazy, 2936 SolverSat, 453 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 425 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 83 PreInvPairs, 113 NumberOfFragments, 309 HoareAnnotationTreeSize, 83 FomulaSimplifications, 14536 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1787 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 18.1s InterpolantComputationTime, 779 NumberOfCodeBlocks, 779 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 409854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 152/158 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...