/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:50:07,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:50:07,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:50:07,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:50:07,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:50:07,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:50:07,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:50:07,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:50:07,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:50:07,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:50:07,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:50:07,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:50:07,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:50:07,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:50:07,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:50:07,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:50:07,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:50:07,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:50:07,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:50:07,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:50:07,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:50:07,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:50:07,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:50:07,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:50:07,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:50:07,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:50:07,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:50:07,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:50:07,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:50:07,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:50:07,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:50:07,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:50:07,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:50:07,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:50:07,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:50:07,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:50:07,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:50:07,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:50:07,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:50:07,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:50:07,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:50:07,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:50:07,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:50:07,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:50:07,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:50:07,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:50:07,987 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:50:07,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:50:07,988 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:50:07,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:50:07,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:50:07,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:50:07,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:50:07,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:50:07,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:50:07,991 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:50:07,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:50:07,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:50:07,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:50:07,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:50:07,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:50:07,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:50:07,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:50:07,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:50:07,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:50:07,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:50:07,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:50:07,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:50:07,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:50:07,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:50:07,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:50:07,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:50:08,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:50:08,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:50:08,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:50:08,394 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:50:08,395 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:50:08,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-10-29 04:50:08,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7140f8dd/e7269ff4860d4570aa723091e5ab612f/FLAG4ea2962e3 [2020-10-29 04:50:09,128 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:50:09,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-10-29 04:50:09,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7140f8dd/e7269ff4860d4570aa723091e5ab612f/FLAG4ea2962e3 [2020-10-29 04:50:09,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7140f8dd/e7269ff4860d4570aa723091e5ab612f [2020-10-29 04:50:09,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:50:09,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:50:09,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:50:09,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:50:09,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:50:09,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:50:09" (1/1) ... [2020-10-29 04:50:09,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139b64ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:09, skipping insertion in model container [2020-10-29 04:50:09,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:50:09" (1/1) ... [2020-10-29 04:50:09,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:50:09,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:50:10,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:50:10,053 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:50:10,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:50:10,188 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:50:10,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10 WrapperNode [2020-10-29 04:50:10,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:50:10,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:50:10,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:50:10,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:50:10,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10" (1/1) ... [2020-10-29 04:50:10,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10" (1/1) ... [2020-10-29 04:50:10,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10" (1/1) ... [2020-10-29 04:50:10,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10" (1/1) ... [2020-10-29 04:50:10,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10" (1/1) ... [2020-10-29 04:50:10,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10" (1/1) ... [2020-10-29 04:50:10,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10" (1/1) ... [2020-10-29 04:50:10,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:50:10,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:50:10,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:50:10,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:50:10,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:50:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:50:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:50:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:50:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:50:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:50:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:50:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:50:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:50:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:50:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:50:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:50:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:50:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:50:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:50:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:50:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:50:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:50:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:50:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:50:11,958 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:50:11,958 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:50:11,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:50:11 BoogieIcfgContainer [2020-10-29 04:50:11,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:50:11,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:50:11,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:50:11,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:50:11,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:50:09" (1/3) ... [2020-10-29 04:50:11,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697c0392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:50:11, skipping insertion in model container [2020-10-29 04:50:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:50:10" (2/3) ... [2020-10-29 04:50:11,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697c0392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:50:11, skipping insertion in model container [2020-10-29 04:50:11,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:50:11" (3/3) ... [2020-10-29 04:50:11,969 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2020-10-29 04:50:11,980 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:50:11,986 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:50:11,999 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:50:12,027 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:50:12,027 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:50:12,027 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:50:12,027 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:50:12,027 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:50:12,027 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:50:12,028 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:50:12,028 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:50:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-29 04:50:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-29 04:50:12,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:12,062 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] [2020-10-29 04:50:12,062 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:12,068 INFO L82 PathProgramCache]: Analyzing trace with hash 333754117, now seen corresponding path program 1 times [2020-10-29 04:50:12,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:12,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480289837] [2020-10-29 04:50:12,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:12,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:12,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:14,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:14,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 04:50:14,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:50:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1818 [2020-10-29 04:50:14,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:14,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:50:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:50:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 04:50:14,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:50:14,443 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:50:14,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:14,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:14,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:14,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:14,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:14,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-29 04:50:14,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:14,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:14,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:14,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:14,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:50:14,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:14,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480289837] [2020-10-29 04:50:14,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:50:14,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:50:14,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251683661] [2020-10-29 04:50:14,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:50:14,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:14,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:50:14,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:50:14,604 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-29 04:50:14,814 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:50:16,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:16,760 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-29 04:50:16,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:16,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-10-29 04:50:16,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:16,784 INFO L225 Difference]: With dead ends: 667 [2020-10-29 04:50:16,784 INFO L226 Difference]: Without dead ends: 342 [2020-10-29 04:50:16,792 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 [2020-10-29 04:50:16,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-29 04:50:16,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-29 04:50:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-29 04:50:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-29 04:50:16,887 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 96 [2020-10-29 04:50:16,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:16,888 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-29 04:50:16,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:50:16,889 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-29 04:50:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-29 04:50:16,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:16,904 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] [2020-10-29 04:50:16,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:50:16,905 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:16,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:16,908 INFO L82 PathProgramCache]: Analyzing trace with hash -632714951, now seen corresponding path program 1 times [2020-10-29 04:50:16,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:16,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1319569352] [2020-10-29 04:50:16,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:16,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:17,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:17,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:17,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:17,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 04:50:17,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:50:17,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 884 [2020-10-29 04:50:17,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:17,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 04:50:17,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 04:50:17,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:18,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:18,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:18,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:18,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:50:18,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:18,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:18,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:18,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:18,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:18,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:18,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:18,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:50:18,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:18,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:50:18,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:18,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:18,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 04:50:18,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:18,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1319569352] [2020-10-29 04:50:18,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:18,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:50:18,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768988120] [2020-10-29 04:50:18,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:50:18,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:18,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:50:18,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:18,128 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 6 states. [2020-10-29 04:50:20,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:20,635 INFO L93 Difference]: Finished difference Result 1275 states and 1916 transitions. [2020-10-29 04:50:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:50:20,636 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2020-10-29 04:50:20,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:20,647 INFO L225 Difference]: With dead ends: 1275 [2020-10-29 04:50:20,647 INFO L226 Difference]: Without dead ends: 943 [2020-10-29 04:50:20,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:50:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2020-10-29 04:50:20,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 925. [2020-10-29 04:50:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2020-10-29 04:50:20,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1325 transitions. [2020-10-29 04:50:20,725 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1325 transitions. Word has length 104 [2020-10-29 04:50:20,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:20,726 INFO L481 AbstractCegarLoop]: Abstraction has 925 states and 1325 transitions. [2020-10-29 04:50:20,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:50:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1325 transitions. [2020-10-29 04:50:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-29 04:50:20,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:20,731 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:20,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:50:20,732 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:20,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:20,732 INFO L82 PathProgramCache]: Analyzing trace with hash 2132407501, now seen corresponding path program 1 times [2020-10-29 04:50:20,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:20,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036709381] [2020-10-29 04:50:20,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:20,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:20,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:21,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:21,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:21,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-29 04:50:21,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:50:21,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1105 [2020-10-29 04:50:21,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:21,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-29 04:50:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 04:50:21,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:50:21,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:22,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:22,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:22,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:22,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:22,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:50:22,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:22,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:22,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:22,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:22,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:22,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:22,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 04:50:22,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:22,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 04:50:22,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:22,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:22,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:22,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:22,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 04:50:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:22,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036709381] [2020-10-29 04:50:22,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:22,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:22,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544820234] [2020-10-29 04:50:22,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:22,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:22,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:22,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:22,115 INFO L87 Difference]: Start difference. First operand 925 states and 1325 transitions. Second operand 5 states. [2020-10-29 04:50:23,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:23,874 INFO L93 Difference]: Finished difference Result 2737 states and 4077 transitions. [2020-10-29 04:50:23,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:23,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-10-29 04:50:23,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:23,896 INFO L225 Difference]: With dead ends: 2737 [2020-10-29 04:50:23,897 INFO L226 Difference]: Without dead ends: 1818 [2020-10-29 04:50:23,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:23,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2020-10-29 04:50:23,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1514. [2020-10-29 04:50:23,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1514 states. [2020-10-29 04:50:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 2065 transitions. [2020-10-29 04:50:24,002 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 2065 transitions. Word has length 110 [2020-10-29 04:50:24,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:24,009 INFO L481 AbstractCegarLoop]: Abstraction has 1514 states and 2065 transitions. [2020-10-29 04:50:24,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:24,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 2065 transitions. [2020-10-29 04:50:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-29 04:50:24,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:24,019 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:24,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:50:24,019 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:24,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:24,021 INFO L82 PathProgramCache]: Analyzing trace with hash -2058600887, now seen corresponding path program 1 times [2020-10-29 04:50:24,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:24,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313672209] [2020-10-29 04:50:24,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:24,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:24,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:24,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:25,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:29,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:29,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 04:50:29,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:50:29,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 04:50:29,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:29,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 04:50:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-29 04:50:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 04:50:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:29,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:29,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:29,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:29,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:29,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:50:29,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:29,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:29,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:29,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:29,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:29,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:50:29,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:29,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:50:29,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:29,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:29,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:29,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:29,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:29,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:29,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 04:50:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:29,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:29,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:29,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 04:50:29,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:29,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:50:29,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:29,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:29,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:29,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 04:50:29,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 04:50:29,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313672209] [2020-10-29 04:50:29,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:29,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 04:50:29,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898808300] [2020-10-29 04:50:29,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 04:50:29,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:29,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 04:50:29,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:50:29,727 INFO L87 Difference]: Start difference. First operand 1514 states and 2065 transitions. Second operand 12 states. [2020-10-29 04:50:30,082 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-29 04:50:30,248 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 04:50:30,668 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2020-10-29 04:50:31,107 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-10-29 04:50:31,651 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-10-29 04:50:32,231 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-10-29 04:50:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:32,781 INFO L93 Difference]: Finished difference Result 3105 states and 4336 transitions. [2020-10-29 04:50:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 04:50:32,782 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 114 [2020-10-29 04:50:32,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:32,793 INFO L225 Difference]: With dead ends: 3105 [2020-10-29 04:50:32,793 INFO L226 Difference]: Without dead ends: 1597 [2020-10-29 04:50:32,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2020-10-29 04:50:32,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2020-10-29 04:50:32,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1581. [2020-10-29 04:50:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-10-29 04:50:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2141 transitions. [2020-10-29 04:50:32,869 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2141 transitions. Word has length 114 [2020-10-29 04:50:32,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:32,869 INFO L481 AbstractCegarLoop]: Abstraction has 1581 states and 2141 transitions. [2020-10-29 04:50:32,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 04:50:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2141 transitions. [2020-10-29 04:50:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 04:50:32,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:32,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:32,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:50:32,876 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:32,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:32,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1040691890, now seen corresponding path program 1 times [2020-10-29 04:50:32,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:32,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773042736] [2020-10-29 04:50:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:32,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:33,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:33,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:33,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:33,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 04:50:33,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:50:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 781 [2020-10-29 04:50:33,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:33,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-29 04:50:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 04:50:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:33,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:33,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:33,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:33,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:33,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:50:33,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:33,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:33,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:33,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:33,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:33,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:50:33,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:33,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 04:50:33,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:33,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:33,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:33,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:33,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 04:50:33,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:33,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773042736] [2020-10-29 04:50:33,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:33,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 04:50:33,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113099767] [2020-10-29 04:50:33,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 04:50:33,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:33,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 04:50:33,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:33,956 INFO L87 Difference]: Start difference. First operand 1581 states and 2141 transitions. Second operand 6 states. [2020-10-29 04:50:35,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:35,828 INFO L93 Difference]: Finished difference Result 4194 states and 5819 transitions. [2020-10-29 04:50:35,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:50:35,837 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2020-10-29 04:50:35,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:35,847 INFO L225 Difference]: With dead ends: 4194 [2020-10-29 04:50:35,847 INFO L226 Difference]: Without dead ends: 1588 [2020-10-29 04:50:35,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:50:35,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2020-10-29 04:50:35,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1572. [2020-10-29 04:50:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1572 states. [2020-10-29 04:50:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2041 transitions. [2020-10-29 04:50:35,912 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2041 transitions. Word has length 122 [2020-10-29 04:50:35,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:35,913 INFO L481 AbstractCegarLoop]: Abstraction has 1572 states and 2041 transitions. [2020-10-29 04:50:35,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 04:50:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2041 transitions. [2020-10-29 04:50:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-29 04:50:35,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:35,919 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:35,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:50:35,920 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:35,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:35,920 INFO L82 PathProgramCache]: Analyzing trace with hash -675900758, now seen corresponding path program 1 times [2020-10-29 04:50:35,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:35,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320418871] [2020-10-29 04:50:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:35,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:36,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:36,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:36,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:37,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:38,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:38,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-29 04:50:38,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:50:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2872 [2020-10-29 04:50:38,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:38,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-29 04:50:38,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 04:50:38,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:38,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:38,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:38,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:38,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:38,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:38,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:50:38,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:38,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:38,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:38,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:38,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:38,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:38,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:38,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 04:50:38,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:38,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 04:50:38,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:38,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:38,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:38,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:38,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 04:50:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:39,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:39,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:39,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 04:50:39,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:39,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:50:39,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:39,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 04:50:39,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-29 04:50:39,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320418871] [2020-10-29 04:50:39,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:39,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:39,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351480274] [2020-10-29 04:50:39,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:39,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:39,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:39,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:39,103 INFO L87 Difference]: Start difference. First operand 1572 states and 2041 transitions. Second operand 5 states. [2020-10-29 04:50:40,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:40,495 INFO L93 Difference]: Finished difference Result 3882 states and 5162 transitions. [2020-10-29 04:50:40,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:40,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-29 04:50:40,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:40,510 INFO L225 Difference]: With dead ends: 3882 [2020-10-29 04:50:40,510 INFO L226 Difference]: Without dead ends: 2316 [2020-10-29 04:50:40,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:40,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2020-10-29 04:50:40,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2153. [2020-10-29 04:50:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2153 states. [2020-10-29 04:50:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2822 transitions. [2020-10-29 04:50:40,601 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2822 transitions. Word has length 142 [2020-10-29 04:50:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:40,602 INFO L481 AbstractCegarLoop]: Abstraction has 2153 states and 2822 transitions. [2020-10-29 04:50:40,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2822 transitions. [2020-10-29 04:50:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-29 04:50:40,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:50:40,609 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:50:40,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:50:40,609 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:50:40,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:50:40,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1576231665, now seen corresponding path program 1 times [2020-10-29 04:50:40,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:50:40,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164265054] [2020-10-29 04:50:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:50:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:40,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:40,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:41,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:41,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:41,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 04:50:41,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:50:41,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1084 [2020-10-29 04:50:41,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:41,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:50:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-29 04:50:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 04:50:41,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:50:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:50:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:41,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:41,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:50:41,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:41,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:50:41,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:41,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:50:41,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:41,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:50:41,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:50:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:50:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:50:42,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:50:42,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:50:42,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-29 04:50:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:50:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 04:50:42,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:50:42,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:50:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:50:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:50:42,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 04:50:42,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:50:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:50:42,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164265054] [2020-10-29 04:50:42,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:50:42,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:50:42,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900798295] [2020-10-29 04:50:42,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:50:42,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:50:42,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:50:42,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:50:42,127 INFO L87 Difference]: Start difference. First operand 2153 states and 2822 transitions. Second operand 5 states. [2020-10-29 04:50:43,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:50:43,701 INFO L93 Difference]: Finished difference Result 5350 states and 7230 transitions. [2020-10-29 04:50:43,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:50:43,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-29 04:50:43,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:50:43,702 INFO L225 Difference]: With dead ends: 5350 [2020-10-29 04:50:43,702 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:50:43,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:50:43,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:50:43,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:50:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:50:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:50:43,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2020-10-29 04:50:43,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:50:43,717 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:50:43,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:50:43,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:50:43,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:50:43,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:50:43,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:50:44,561 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 21 [2020-10-29 04:50:44,900 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 21 [2020-10-29 04:50:45,623 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-10-29 04:50:45,858 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 22 [2020-10-29 04:50:45,895 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:50:45,895 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:50:45,896 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:50:45,896 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:50:45,896 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:50:45,896 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)|)) [2020-10-29 04:50:45,897 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:50:45,897 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-29 04:50:45,897 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-29 04:50:45,897 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-29 04:50:45,897 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-29 04:50:45,897 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-29 04:50:45,897 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-29 04:50:45,897 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-29 04:50:45,898 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:50:45,898 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-29 04:50:45,898 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:50:45,898 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-29 04:50:45,898 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:50:45,898 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:50:45,898 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-29 04:50:45,898 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-29 04:50:45,898 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,899 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,899 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,899 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,899 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,899 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-29 04:50:45,899 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-29 04:50:45,899 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-29 04:50:45,899 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-29 04:50:45,899 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,900 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,901 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,901 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,901 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-29 04:50:45,901 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,901 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-29 04:50:45,901 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-29 04:50:45,901 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-29 04:50:45,901 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:50:45,902 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:50:45,903 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-29 04:50:45,903 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,903 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,903 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,903 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,903 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,903 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:50:45,903 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-29 04:50:45,903 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:50:45,904 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-29 04:50:45,904 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-29 04:50:45,904 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-29 04:50:45,904 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-29 04:50:45,904 INFO L270 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (and (= |old(~a19~0)| 1) (or (not (<= |old(~a25~0)| 1)) (not (<= 1 |old(~a25~0)|))) (not (= 0 |old(~a11~0)|)) (not (<= |old(~a17~0)| 7)) (not (<= 9 |old(~a28~0)|))) [2020-10-29 04:50:45,904 INFO L274 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-10-29 04:50:45,904 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-29 04:50:45,904 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-29 04:50:45,905 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,906 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-29 04:50:45,907 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:50:45,908 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,909 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:50:45,910 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:50:45,910 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:50:45,910 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-29 04:50:45,910 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-29 04:50:45,910 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-29 04:50:45,910 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-29 04:50:45,910 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-29 04:50:45,910 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-29 04:50:45,910 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-29 04:50:45,911 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-29 04:50:45,911 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-29 04:50:45,911 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-29 04:50:45,911 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-29 04:50:45,911 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,911 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,911 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,911 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,911 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-29 04:50:45,912 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-29 04:50:45,913 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-29 04:50:45,913 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-29 04:50:45,913 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,913 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,913 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,913 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,913 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,913 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,914 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-29 04:50:45,914 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-29 04:50:45,914 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-29 04:50:45,914 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-29 04:50:45,914 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-29 04:50:45,914 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-29 04:50:45,914 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-29 04:50:45,914 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 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse1 .cse2 .cse3 (= ~a25~0 |old(~a25~0)|) .cse4))) (and (or .cse0 (not (<= |old(~a17~0)| 7))) (or .cse0 (not (= 0 |old(~a11~0)|))) (or .cse0 (not (<= 9 |old(~a28~0)|))) (or (not (<= |old(~a25~0)| 1)) (not (<= 1 |old(~a25~0)|)) (and .cse1 .cse2 .cse3 (<= 1 ~a25~0) (<= ~a25~0 1) .cse4)) (or (= |old(~a19~0)| 1) .cse0)))) [2020-10-29 04:50:45,915 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-29 04:50:45,915 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-29 04:50:45,915 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-29 04:50:45,915 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-29 04:50:45,915 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-29 04:50:45,915 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-29 04:50:45,915 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-29 04:50:45,915 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,915 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,916 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,916 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,916 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,916 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,916 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-29 04:50:45,916 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-29 04:50:45,916 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-29 04:50:45,916 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-29 04:50:45,916 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-29 04:50:45,917 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-29 04:50:45,917 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-29 04:50:45,917 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-29 04:50:45,917 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-29 04:50:45,917 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-29 04:50:45,917 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-29 04:50:45,917 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-29 04:50:45,917 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-29 04:50:45,917 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,918 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,918 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,918 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,918 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,918 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,918 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-29 04:50:45,918 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-29 04:50:45,918 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-29 04:50:45,918 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:50:45,919 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-29 04:50:45,920 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-29 04:50:45,921 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-29 04:50:45,921 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:50:45,921 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a11~0 0) [2020-10-29 04:50:45,921 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:50:45,921 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:50:45,921 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (or (<= 9 ~a28~0) (not (= 0 |old(~a11~0)|)) (not (= ~a19~0 1)) (= ~a11~0 0) (<= ~a17~0 7) (and (<= 1 ~a25~0) (<= ~a25~0 1))) [2020-10-29 04:50:45,921 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|))) [2020-10-29 04:50:45,921 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:50:45,922 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:50:45,922 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (<= 9 ~a28~0) (not (= 0 |old(~a11~0)|)) (not (= ~a19~0 1)) (= ~a11~0 0) (<= ~a17~0 7) (and (<= 1 ~a25~0) (<= ~a25~0 1))) [2020-10-29 04:50:45,922 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-29 04:50:45,922 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-29 04:50:45,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:50:45 BoogieIcfgContainer [2020-10-29 04:50:45,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:50:45,943 INFO L168 Benchmark]: Toolchain (without parser) took 36534.21 ms. Allocated memory was 125.8 MB in the beginning and 602.9 MB in the end (delta: 477.1 MB). Free memory was 98.8 MB in the beginning and 341.4 MB in the end (delta: -242.5 MB). Peak memory consumption was 359.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:45,944 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:50:45,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.61 ms. Allocated memory is still 125.8 MB. Free memory was 98.1 MB in the beginning and 72.6 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:45,946 INFO L168 Benchmark]: Boogie Preprocessor took 183.73 ms. Allocated memory was 125.8 MB in the beginning and 166.7 MB in the end (delta: 40.9 MB). Free memory was 72.6 MB in the beginning and 144.4 MB in the end (delta: -71.9 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:45,946 INFO L168 Benchmark]: RCFGBuilder took 1585.56 ms. Allocated memory is still 166.7 MB. Free memory was 144.4 MB in the beginning and 90.8 MB in the end (delta: 53.7 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:45,947 INFO L168 Benchmark]: TraceAbstraction took 33979.44 ms. Allocated memory was 166.7 MB in the beginning and 602.9 MB in the end (delta: 436.2 MB). Free memory was 90.2 MB in the beginning and 341.4 MB in the end (delta: -251.1 MB). Peak memory consumption was 309.3 MB. Max. memory is 8.0 GB. [2020-10-29 04:50:45,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 770.61 ms. Allocated memory is still 125.8 MB. Free memory was 98.1 MB in the beginning and 72.6 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 183.73 ms. Allocated memory was 125.8 MB in the beginning and 166.7 MB in the end (delta: 40.9 MB). Free memory was 72.6 MB in the beginning and 144.4 MB in the end (delta: -71.9 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1585.56 ms. Allocated memory is still 166.7 MB. Free memory was 144.4 MB in the beginning and 90.8 MB in the end (delta: 53.7 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33979.44 ms. Allocated memory was 166.7 MB in the beginning and 602.9 MB in the end (delta: 436.2 MB). Free memory was 90.2 MB in the beginning and 341.4 MB in the end (delta: -251.1 MB). Peak memory consumption was 309.3 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: ((((9 <= a28 || !(0 == \old(a11))) || !(a19 == 1)) || a11 == 0) || a17 <= 7) || (1 <= a25 && a25 <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.6s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 281 SDtfs, 2615 SDslu, 280 SDs, 0 SdLazy, 5915 SolverSat, 722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2153occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 521 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 195 PreInvPairs, 265 NumberOfFragments, 295 HoareAnnotationTreeSize, 195 FomulaSimplifications, 156816 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3643 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 838 NumberOfCodeBlocks, 838 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 831 ConstructedInterpolants, 0 QuantifiedInterpolants, 607792 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 154/162 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...