/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label57.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 10:11:34,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 10:11:34,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 10:11:34,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 10:11:34,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 10:11:34,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 10:11:34,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 10:11:34,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 10:11:34,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 10:11:34,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 10:11:34,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 10:11:34,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 10:11:34,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 10:11:34,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 10:11:34,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 10:11:34,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 10:11:34,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 10:11:34,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 10:11:34,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 10:11:34,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 10:11:34,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 10:11:34,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 10:11:34,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 10:11:34,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 10:11:34,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 10:11:34,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 10:11:34,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 10:11:34,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 10:11:34,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 10:11:34,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 10:11:34,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 10:11:34,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 10:11:34,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 10:11:34,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 10:11:34,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 10:11:34,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 10:11:34,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 10:11:34,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 10:11:34,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 10:11:34,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 10:11:34,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 10:11:34,808 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 [2020-10-28 10:11:34,835 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 10:11:34,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 10:11:34,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 10:11:34,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 10:11:34,838 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 10:11:34,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 10:11:34,838 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 10:11:34,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 10:11:34,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 10:11:34,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 10:11:34,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 10:11:34,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 10:11:34,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 10:11:34,840 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 10:11:34,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 10:11:34,840 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 10:11:34,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 10:11:34,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 10:11:34,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 10:11:34,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 10:11:34,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 10:11:34,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 10:11:34,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 10:11:34,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 10:11:34,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 10:11:34,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 10:11:34,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 10:11:34,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 10:11:34,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 10:11:34,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 10:11:35,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 10:11:35,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 10:11:35,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 10:11:35,300 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 10:11:35,301 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 10:11:35,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label57.c [2020-10-28 10:11:35,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edbcda028/eb149abd78eb44a4b5af6c4445231fef/FLAGe24cac672 [2020-10-28 10:11:36,178 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 10:11:36,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label57.c [2020-10-28 10:11:36,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edbcda028/eb149abd78eb44a4b5af6c4445231fef/FLAGe24cac672 [2020-10-28 10:11:36,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edbcda028/eb149abd78eb44a4b5af6c4445231fef [2020-10-28 10:11:36,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 10:11:36,408 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 10:11:36,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 10:11:36,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 10:11:36,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 10:11:36,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:11:36" (1/1) ... [2020-10-28 10:11:36,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476e575f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:36, skipping insertion in model container [2020-10-28 10:11:36,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:11:36" (1/1) ... [2020-10-28 10:11:36,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 10:11:36,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 10:11:36,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:11:36,924 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 10:11:37,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 10:11:37,139 INFO L208 MainTranslator]: Completed translation [2020-10-28 10:11:37,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37 WrapperNode [2020-10-28 10:11:37,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 10:11:37,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 10:11:37,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 10:11:37,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 10:11:37,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37" (1/1) ... [2020-10-28 10:11:37,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37" (1/1) ... [2020-10-28 10:11:37,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37" (1/1) ... [2020-10-28 10:11:37,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37" (1/1) ... [2020-10-28 10:11:37,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37" (1/1) ... [2020-10-28 10:11:37,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37" (1/1) ... [2020-10-28 10:11:37,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37" (1/1) ... [2020-10-28 10:11:37,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 10:11:37,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 10:11:37,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 10:11:37,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 10:11:37,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37" (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 [2020-10-28 10:11:37,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 10:11:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 10:11:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 10:11:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 10:11:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 10:11:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 10:11:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 10:11:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 10:11:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 10:11:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 10:11:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 10:11:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 10:11:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 10:11:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 10:11:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 10:11:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 10:11:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 10:11:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 10:11:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 10:11:39,145 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 10:11:39,146 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 10:11:39,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:11:39 BoogieIcfgContainer [2020-10-28 10:11:39,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 10:11:39,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 10:11:39,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 10:11:39,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 10:11:39,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:11:36" (1/3) ... [2020-10-28 10:11:39,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d1925d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:11:39, skipping insertion in model container [2020-10-28 10:11:39,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:11:37" (2/3) ... [2020-10-28 10:11:39,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d1925d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:11:39, skipping insertion in model container [2020-10-28 10:11:39,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:11:39" (3/3) ... [2020-10-28 10:11:39,165 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label57.c [2020-10-28 10:11:39,179 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 10:11:39,185 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 10:11:39,200 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 10:11:39,232 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 10:11:39,232 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 10:11:39,232 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 10:11:39,232 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 10:11:39,233 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 10:11:39,233 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 10:11:39,233 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 10:11:39,233 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 10:11:39,259 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-28 10:11:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-28 10:11:39,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:39,274 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] [2020-10-28 10:11:39,274 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:39,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:39,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1393112307, now seen corresponding path program 1 times [2020-10-28 10:11:39,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:39,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598982521] [2020-10-28 10:11:39,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:39,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:40,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:41,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:41,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-28 10:11:41,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 10:11:41,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1806 [2020-10-28 10:11:41,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:41,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:41,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 10:11:41,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 10:11:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 10:11:41,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 10:11:41,738 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:11:41,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:41,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:41,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:41,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:41,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:41,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 10:11:41,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:41,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 10:11:41,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:11:41,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598982521] [2020-10-28 10:11:41,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 10:11:41,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 10:11:41,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416367698] [2020-10-28 10:11:41,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 10:11:41,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:41,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 10:11:41,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 10:11:41,867 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-28 10:11:42,122 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:11:44,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:44,906 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-28 10:11:44,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:11:44,911 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2020-10-28 10:11:44,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:44,926 INFO L225 Difference]: With dead ends: 667 [2020-10-28 10:11:44,926 INFO L226 Difference]: Without dead ends: 342 [2020-10-28 10:11:44,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:11:44,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-28 10:11:45,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-28 10:11:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-28 10:11:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-28 10:11:45,036 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 98 [2020-10-28 10:11:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:45,037 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-28 10:11:45,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 10:11:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-28 10:11:45,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-28 10:11:45,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:45,044 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] [2020-10-28 10:11:45,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 10:11:45,045 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:45,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:45,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1838016577, now seen corresponding path program 1 times [2020-10-28 10:11:45,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:45,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843742165] [2020-10-28 10:11:45,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:45,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:45,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:45,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:46,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:46,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:46,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 10:11:46,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:11:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1166 [2020-10-28 10:11:46,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:46,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 10:11:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 10:11:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:46,478 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:11:46,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:46,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:46,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:46,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:46,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:46,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:11:46,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:46,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:46,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:46,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:46,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:46,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:46,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:46,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:46,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:46,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:11:46,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:46,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:11:46,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:46,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 10:11:46,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:11:46,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843742165] [2020-10-28 10:11:46,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:46,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:11:46,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367921810] [2020-10-28 10:11:46,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:11:46,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:46,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:11:46,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:11:46,649 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 5 states. [2020-10-28 10:11:46,851 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:11:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:49,138 INFO L93 Difference]: Finished difference Result 970 states and 1435 transitions. [2020-10-28 10:11:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:11:49,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-10-28 10:11:49,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:49,147 INFO L225 Difference]: With dead ends: 970 [2020-10-28 10:11:49,147 INFO L226 Difference]: Without dead ends: 638 [2020-10-28 10:11:49,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:49,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2020-10-28 10:11:49,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 634. [2020-10-28 10:11:49,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-10-28 10:11:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 881 transitions. [2020-10-28 10:11:49,233 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 881 transitions. Word has length 106 [2020-10-28 10:11:49,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:49,234 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 881 transitions. [2020-10-28 10:11:49,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:11:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 881 transitions. [2020-10-28 10:11:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-28 10:11:49,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:49,242 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 10:11:49,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 10:11:49,242 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:49,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:49,243 INFO L82 PathProgramCache]: Analyzing trace with hash 464634206, now seen corresponding path program 1 times [2020-10-28 10:11:49,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:49,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839652949] [2020-10-28 10:11:49,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:49,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:49,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:49,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:50,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:50,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 10:11:50,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 10:11:50,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1088 [2020-10-28 10:11:50,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:50,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:50,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:50,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-28 10:11:50,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 10:11:50,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:11:50,610 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:11:50,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:50,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:50,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:50,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:50,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:50,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 10:11:50,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:50,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:50,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:11:50,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:50,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:50,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:50,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 10:11:50,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:50,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 10:11:50,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:50,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:50,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:50,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:50,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 10:11:50,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:11:50,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839652949] [2020-10-28 10:11:50,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:50,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:11:50,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138348451] [2020-10-28 10:11:50,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:11:50,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:50,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:11:50,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:11:50,735 INFO L87 Difference]: Start difference. First operand 634 states and 881 transitions. Second operand 5 states. [2020-10-28 10:11:51,008 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-28 10:11:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:53,474 INFO L93 Difference]: Finished difference Result 1869 states and 2686 transitions. [2020-10-28 10:11:53,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:11:53,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-10-28 10:11:53,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:53,490 INFO L225 Difference]: With dead ends: 1869 [2020-10-28 10:11:53,491 INFO L226 Difference]: Without dead ends: 1241 [2020-10-28 10:11:53,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:53,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-10-28 10:11:53,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1222. [2020-10-28 10:11:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2020-10-28 10:11:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1657 transitions. [2020-10-28 10:11:53,579 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1657 transitions. Word has length 120 [2020-10-28 10:11:53,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:53,581 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 1657 transitions. [2020-10-28 10:11:53,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:11:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1657 transitions. [2020-10-28 10:11:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-28 10:11:53,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:53,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:53,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 10:11:53,597 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:53,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:53,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1423590414, now seen corresponding path program 1 times [2020-10-28 10:11:53,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:53,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892145537] [2020-10-28 10:11:53,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:53,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:53,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:54,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:54,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:55,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:55,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 10:11:55,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:11:55,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1492 [2020-10-28 10:11:55,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:55,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:55,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:11:55,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 10:11:55,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 10:11:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:55,329 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:11:55,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:11:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:55,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:55,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:55,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:11:55,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:55,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 10:11:55,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:55,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:55,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:11:55,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:55,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:11:55,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 10:11:55,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:11:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:55,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:55,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:11:55,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 10:11:55,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:11:55,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 10:11:55,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:11:55,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:11:55,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:11:55,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:11:55,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 10:11:55,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:11:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 10:11:55,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892145537] [2020-10-28 10:11:55,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:11:55,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:11:55,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757925044] [2020-10-28 10:11:55,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:11:55,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:11:55,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:11:55,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:11:55,481 INFO L87 Difference]: Start difference. First operand 1222 states and 1657 transitions. Second operand 5 states. [2020-10-28 10:11:55,653 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-28 10:11:57,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:11:57,876 INFO L93 Difference]: Finished difference Result 3038 states and 4257 transitions. [2020-10-28 10:11:57,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:11:57,877 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-28 10:11:57,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:11:57,890 INFO L225 Difference]: With dead ends: 3038 [2020-10-28 10:11:57,890 INFO L226 Difference]: Without dead ends: 1822 [2020-10-28 10:11:57,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:11:57,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2020-10-28 10:11:57,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1810. [2020-10-28 10:11:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1810 states. [2020-10-28 10:11:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2453 transitions. [2020-10-28 10:11:57,968 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2453 transitions. Word has length 126 [2020-10-28 10:11:57,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:11:57,969 INFO L481 AbstractCegarLoop]: Abstraction has 1810 states and 2453 transitions. [2020-10-28 10:11:57,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:11:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2453 transitions. [2020-10-28 10:11:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-28 10:11:57,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 10:11:57,975 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 10:11:57,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 10:11:57,975 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 10:11:57,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 10:11:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash -2038218090, now seen corresponding path program 1 times [2020-10-28 10:11:57,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 10:11:57,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [511861947] [2020-10-28 10:11:57,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 10:11:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:11:58,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:58,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:11:58,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:12:01,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:12:03,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:12:03,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-28 10:12:03,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 10:12:03,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 10:12:03,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:12:03,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:12:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 10:12:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 10:12:03,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 10:12:03,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:12:03,261 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:12:03,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 10:12:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:12:03,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:12:03,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:12:03,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 10:12:03,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:12:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 10:12:03,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:12:03,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:12:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:12:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:12:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:12:03,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 10:12:03,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 10:12:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:12:03,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:12:03,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:12:03,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 10:12:03,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:12:03,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 10:12:03,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:12:03,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:12:03,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 10:12:03,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:12:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 10:12:03,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:12:03,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 10:12:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 10:12:03,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 10:12:03,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 10:12:03,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 10:12:03,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 10:12:03,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 10:12:03,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 10:12:03,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 10:12:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 10:12:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 10:12:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 10:12:03,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 10:12:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 10:12:03,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [511861947] [2020-10-28 10:12:03,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 10:12:03,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 10:12:03,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995543227] [2020-10-28 10:12:03,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 10:12:03,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 10:12:03,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 10:12:03,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 10:12:03,406 INFO L87 Difference]: Start difference. First operand 1810 states and 2453 transitions. Second operand 5 states. [2020-10-28 10:12:03,597 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 10:12:05,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 10:12:05,745 INFO L93 Difference]: Finished difference Result 4199 states and 5741 transitions. [2020-10-28 10:12:05,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 10:12:05,754 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-28 10:12:05,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 10:12:05,755 INFO L225 Difference]: With dead ends: 4199 [2020-10-28 10:12:05,755 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 10:12:05,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 10:12:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 10:12:05,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 10:12:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 10:12:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 10:12:05,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2020-10-28 10:12:05,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 10:12:05,766 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 10:12:05,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 10:12:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 10:12:05,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 10:12:05,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 10:12:05,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 10:12:06,394 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2020-10-28 10:12:07,236 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 33 [2020-10-28 10:12:07,381 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 10:12:07,650 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 10:12:07,650 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 10:12:07,651 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 10:12:07,651 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 10:12:07,651 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:12:07,651 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-28 10:12:07,652 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:12:07,652 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-28 10:12:07,652 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-28 10:12:07,652 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-28 10:12:07,652 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-28 10:12:07,652 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-28 10:12:07,652 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-28 10:12:07,652 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-28 10:12:07,653 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:12:07,653 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-28 10:12:07,653 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-28 10:12:07,653 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-28 10:12:07,653 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:12:07,653 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-28 10:12:07,653 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-28 10:12:07,653 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-28 10:12:07,654 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,654 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,654 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,654 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,654 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,654 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-28 10:12:07,654 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-28 10:12:07,654 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-28 10:12:07,655 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-28 10:12:07,655 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-28 10:12:07,655 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-28 10:12:07,655 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-28 10:12:07,655 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-28 10:12:07,655 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-28 10:12:07,655 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-28 10:12:07,655 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:12:07,656 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-28 10:12:07,656 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-28 10:12:07,656 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,656 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,656 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,656 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,656 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-28 10:12:07,656 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,657 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-28 10:12:07,657 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-28 10:12:07,657 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-28 10:12:07,657 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-28 10:12:07,657 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-28 10:12:07,657 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-28 10:12:07,657 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-28 10:12:07,657 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:12:07,657 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-28 10:12:07,658 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-28 10:12:07,658 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-28 10:12:07,658 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-28 10:12:07,658 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:12:07,658 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-28 10:12:07,658 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-28 10:12:07,658 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,658 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,659 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,659 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,659 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,659 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:12:07,659 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-28 10:12:07,659 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-28 10:12:07,659 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-28 10:12:07,659 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-28 10:12:07,659 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-28 10:12:07,660 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-28 10:12:07,660 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-28 10:12:07,660 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-28 10:12:07,660 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-28 10:12:07,660 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-28 10:12:07,660 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,660 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,661 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,661 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,661 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,661 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-28 10:12:07,661 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-28 10:12:07,661 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-28 10:12:07,661 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-28 10:12:07,661 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-28 10:12:07,661 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-28 10:12:07,662 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-28 10:12:07,662 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-28 10:12:07,662 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-28 10:12:07,662 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-28 10:12:07,662 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-28 10:12:07,662 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-28 10:12:07,662 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-28 10:12:07,662 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,663 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,663 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,663 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,663 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,663 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-28 10:12:07,663 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-28 10:12:07,663 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-28 10:12:07,663 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-28 10:12:07,663 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-28 10:12:07,664 INFO L270 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (and (not (<= |old(~a28~0)| 10)) (not (= |old(~a19~0)| 1)) (or (not (= 0 |old(~a11~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|)))) [2020-10-28 10:12:07,664 INFO L274 CegarLoopResult]: For program point L447-1(line 447) no Hoare annotation was computed. [2020-10-28 10:12:07,664 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-28 10:12:07,664 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-28 10:12:07,664 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-28 10:12:07,664 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,664 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,665 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-28 10:12:07,665 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-28 10:12:07,665 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-28 10:12:07,665 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-28 10:12:07,665 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:12:07,665 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-28 10:12:07,665 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-28 10:12:07,665 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,665 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,666 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,666 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,666 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-28 10:12:07,666 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,666 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:12:07,666 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,666 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:12:07,666 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-28 10:12:07,667 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-28 10:12:07,667 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-28 10:12:07,667 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-28 10:12:07,667 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-28 10:12:07,667 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-28 10:12:07,667 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-28 10:12:07,667 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-28 10:12:07,667 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-28 10:12:07,667 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-28 10:12:07,668 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-28 10:12:07,668 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-28 10:12:07,668 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-28 10:12:07,668 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,668 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,668 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,668 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,668 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,668 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,669 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-28 10:12:07,669 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-28 10:12:07,669 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-28 10:12:07,669 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-28 10:12:07,669 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-28 10:12:07,669 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-28 10:12:07,669 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-28 10:12:07,669 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,670 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-28 10:12:07,671 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-28 10:12:07,671 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-28 10:12:07,671 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-28 10:12:07,671 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-28 10:12:07,671 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-28 10:12:07,671 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-28 10:12:07,671 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4 (= ~a19~0 |old(~a19~0)|)))) (and (or (not (<= |old(~a28~0)| 10)) .cse0) (or .cse0 (not (= 0 |old(~a11~0)|)) (not (= |old(~a19~0)| |old(~a25~0)|))) (or (not (= |old(~a19~0)| 1)) (and .cse1 .cse2 .cse3 (= ~a19~0 1) .cse4))))) [2020-10-28 10:12:07,672 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-28 10:12:07,672 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-28 10:12:07,672 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-28 10:12:07,672 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-28 10:12:07,672 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-28 10:12:07,672 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-28 10:12:07,672 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-28 10:12:07,672 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,672 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,673 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,673 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,673 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,673 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,673 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-28 10:12:07,673 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-28 10:12:07,673 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-28 10:12:07,673 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-28 10:12:07,674 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-28 10:12:07,674 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-28 10:12:07,674 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-28 10:12:07,674 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-28 10:12:07,674 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-28 10:12:07,674 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-28 10:12:07,674 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-28 10:12:07,674 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-28 10:12:07,674 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-28 10:12:07,675 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,675 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,675 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,675 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,675 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,675 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,675 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-28 10:12:07,675 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-28 10:12:07,675 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-28 10:12:07,676 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-28 10:12:07,676 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-28 10:12:07,676 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-28 10:12:07,676 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-28 10:12:07,676 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-28 10:12:07,676 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-28 10:12:07,676 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-28 10:12:07,676 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-28 10:12:07,676 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:12:07,677 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-28 10:12:07,677 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-28 10:12:07,677 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-28 10:12:07,677 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-28 10:12:07,677 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,677 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,677 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,677 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,677 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-28 10:12:07,678 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-28 10:12:07,678 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-28 10:12:07,678 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-28 10:12:07,678 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-28 10:12:07,678 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 10:12:07,678 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a11~0 0) (<= ~a28~0 10) (not (= ~a25~0 1))) [2020-10-28 10:12:07,678 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 10:12:07,678 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 10:12:07,679 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (not (<= |old(~a28~0)| 10)) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (= |old(~a25~0)| 1) (<= ~a28~0 10) (and (= ~a11~0 0) (= ~a25~0 ~a19~0))) [2020-10-28 10:12:07,679 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 10)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (= |old(~a25~0)| 1) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|))) [2020-10-28 10:12:07,679 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:12:07,679 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-28 10:12:07,679 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (<= |old(~a28~0)| 10)) (not (= |old(~a19~0)| 1)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (= |old(~a25~0)| 1) (<= ~a28~0 10) (and (= ~a11~0 0) (= ~a25~0 ~a19~0))) [2020-10-28 10:12:07,679 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-28 10:12:07,679 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-28 10:12:07,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:12:07 BoogieIcfgContainer [2020-10-28 10:12:07,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 10:12:07,702 INFO L168 Benchmark]: Toolchain (without parser) took 31299.27 ms. Allocated memory was 154.1 MB in the beginning and 545.3 MB in the end (delta: 391.1 MB). Free memory was 127.1 MB in the beginning and 268.5 MB in the end (delta: -141.4 MB). Peak memory consumption was 250.1 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:07,702 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 154.1 MB. Free memory was 125.6 MB in the beginning and 125.5 MB in the end (delta: 92.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 10:12:07,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.47 ms. Allocated memory is still 154.1 MB. Free memory was 126.4 MB in the beginning and 100.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:07,704 INFO L168 Benchmark]: Boogie Preprocessor took 153.08 ms. Allocated memory is still 154.1 MB. Free memory was 100.6 MB in the beginning and 132.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:07,705 INFO L168 Benchmark]: RCFGBuilder took 1851.33 ms. Allocated memory was 154.1 MB in the beginning and 201.3 MB in the end (delta: 47.2 MB). Free memory was 132.1 MB in the beginning and 161.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:07,706 INFO L168 Benchmark]: TraceAbstraction took 28546.49 ms. Allocated memory was 201.3 MB in the beginning and 545.3 MB in the end (delta: 343.9 MB). Free memory was 160.4 MB in the beginning and 268.5 MB in the end (delta: -108.1 MB). Peak memory consumption was 235.3 MB. Max. memory is 8.0 GB. [2020-10-28 10:12:07,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 154.1 MB. Free memory was 125.6 MB in the beginning and 125.5 MB in the end (delta: 92.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 732.47 ms. Allocated memory is still 154.1 MB. Free memory was 126.4 MB in the beginning and 100.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 153.08 ms. Allocated memory is still 154.1 MB. Free memory was 100.6 MB in the beginning and 132.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1851.33 ms. Allocated memory was 154.1 MB in the beginning and 201.3 MB in the end (delta: 47.2 MB). Free memory was 132.1 MB in the beginning and 161.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28546.49 ms. Allocated memory was 201.3 MB in the beginning and 545.3 MB in the end (delta: 343.9 MB). Free memory was 160.4 MB in the beginning and 268.5 MB in the end (delta: -108.1 MB). Peak memory consumption was 235.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((!(\old(a28) <= 10) || !(\old(a19) == 1)) || a19 == 1) || !(0 == \old(a11))) || \old(a25) == 1) || a28 <= 10) || (a11 == 0 && a25 == a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.5s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 178 SDtfs, 1964 SDslu, 156 SDs, 0 SdLazy, 3355 SolverSat, 522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1810occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 39 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 99 PreInvPairs, 133 NumberOfFragments, 274 HoareAnnotationTreeSize, 99 FomulaSimplifications, 10090 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1846 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 592 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 587 ConstructedInterpolants, 0 QuantifiedInterpolants, 248114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 90/95 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...