/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:37:42,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:37:42,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:37:42,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:37:42,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:37:43,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:37:43,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:37:43,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:37:43,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:37:43,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:37:43,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:37:43,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:37:43,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:37:43,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:37:43,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:37:43,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:37:43,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:37:43,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:37:43,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:37:43,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:37:43,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:37:43,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:37:43,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:37:43,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:37:43,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:37:43,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:37:43,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:37:43,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:37:43,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:37:43,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:37:43,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:37:43,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:37:43,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:37:43,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:37:43,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:37:43,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:37:43,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:37:43,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:37:43,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:37:43,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:37:43,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:37:43,115 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 [2020-10-26 20:37:43,170 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:37:43,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:37:43,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:37:43,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:37:43,175 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:37:43,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:37:43,176 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:37:43,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:37:43,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:37:43,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:37:43,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:37:43,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:37:43,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:37:43,179 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:37:43,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:37:43,179 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:37:43,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:37:43,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:37:43,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:37:43,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:37:43,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:37:43,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:37:43,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:37:43,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:37:43,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:37:43,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:37:43,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:37:43,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:37:43,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:37:43,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:37:43,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:37:43,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:37:43,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:37:43,690 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:37:43,691 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:37:43,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-10-26 20:37:43,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99351ad89/a6f90c59918f4eea918febedcfe5aa79/FLAG8bf591702 [2020-10-26 20:37:44,536 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:37:44,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2020-10-26 20:37:44,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99351ad89/a6f90c59918f4eea918febedcfe5aa79/FLAG8bf591702 [2020-10-26 20:37:44,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99351ad89/a6f90c59918f4eea918febedcfe5aa79 [2020-10-26 20:37:44,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:37:44,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:37:44,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:37:44,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:37:44,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:37:44,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:37:44" (1/1) ... [2020-10-26 20:37:44,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732eb14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:44, skipping insertion in model container [2020-10-26 20:37:44,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:37:44" (1/1) ... [2020-10-26 20:37:44,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:37:44,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:37:45,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:37:45,363 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:37:45,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:37:45,546 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:37:45,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45 WrapperNode [2020-10-26 20:37:45,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:37:45,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:37:45,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:37:45,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:37:45,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (1/1) ... [2020-10-26 20:37:45,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:37:45,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:37:45,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:37:45,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:37:45,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (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 [2020-10-26 20:37:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:37:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:37:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:37:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:37:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:37:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:37:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:37:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:37:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:37:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:37:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:37:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:37:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:37:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:37:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:37:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:37:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:37:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:37:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:37:47,533 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:37:47,534 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:37:47,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:37:47 BoogieIcfgContainer [2020-10-26 20:37:47,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:37:47,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:37:47,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:37:47,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:37:47,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:37:44" (1/3) ... [2020-10-26 20:37:47,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494f183f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:37:47, skipping insertion in model container [2020-10-26 20:37:47,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:37:45" (2/3) ... [2020-10-26 20:37:47,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@494f183f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:37:47, skipping insertion in model container [2020-10-26 20:37:47,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:37:47" (3/3) ... [2020-10-26 20:37:47,546 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label07.c [2020-10-26 20:37:47,558 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:37:47,564 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:37:47,579 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:37:47,610 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:37:47,610 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:37:47,610 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:37:47,611 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:37:47,611 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:37:47,611 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:37:47,611 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:37:47,611 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:37:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:37:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-26 20:37:47,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:37:47,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:37:47,653 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:37:47,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:37:47,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1195699149, now seen corresponding path program 1 times [2020-10-26 20:37:47,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:37:47,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669687952] [2020-10-26 20:37:47,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:37:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:48,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:48,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:49,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:49,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-26 20:37:49,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:37:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1953 [2020-10-26 20:37:49,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-26 20:37:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:37:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-26 20:37:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:37:50,842 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:37:50,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:37:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:50,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:50,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:50,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:37:50,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:37:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-26 20:37:50,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:37:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:37:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:37:50,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:37:51,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 20:37:51,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669687952] [2020-10-26 20:37:51,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:37:51,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-26 20:37:51,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419088740] [2020-10-26 20:37:51,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-26 20:37:51,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:37:51,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-26 20:37:51,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:37:51,122 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 11 states. [2020-10-26 20:37:51,457 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-26 20:37:51,800 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-26 20:37:52,014 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-26 20:37:52,195 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-26 20:37:52,564 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-10-26 20:37:52,960 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-10-26 20:37:53,733 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2020-10-26 20:37:54,410 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2020-10-26 20:37:55,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:37:55,699 INFO L93 Difference]: Finished difference Result 541 states and 898 transitions. [2020-10-26 20:37:55,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-26 20:37:55,703 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-26 20:37:55,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:37:55,725 INFO L225 Difference]: With dead ends: 541 [2020-10-26 20:37:55,725 INFO L226 Difference]: Without dead ends: 237 [2020-10-26 20:37:55,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2020-10-26 20:37:55,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-26 20:37:55,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2020-10-26 20:37:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-26 20:37:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 324 transitions. [2020-10-26 20:37:55,854 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 324 transitions. Word has length 146 [2020-10-26 20:37:55,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:37:55,856 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 324 transitions. [2020-10-26 20:37:55,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-26 20:37:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 324 transitions. [2020-10-26 20:37:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-26 20:37:55,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:37:55,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:37:55,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:37:55,879 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:37:55,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:37:55,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1665078740, now seen corresponding path program 1 times [2020-10-26 20:37:55,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:37:55,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363850846] [2020-10-26 20:37:55,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:37:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:56,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:56,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:56,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:57,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:57,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-26 20:37:57,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:37:57,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1844 [2020-10-26 20:37:57,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:37:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:37:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-26 20:37:57,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-26 20:37:58,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:37:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:58,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:58,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:58,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:37:58,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:37:58,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-26 20:37:58,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:58,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:37:58,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:37:58,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:37:58,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:37:58,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:37:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:37:58,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:37:58,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:37:58,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:37:58,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:37:58,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 20:37:58,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:37:58,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:37:58,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:37:58,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:37:58,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:37:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 20:37:58,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363850846] [2020-10-26 20:37:58,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:37:58,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:37:58,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372703343] [2020-10-26 20:37:58,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 20:37:58,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:37:58,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 20:37:58,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:37:58,194 INFO L87 Difference]: Start difference. First operand 234 states and 324 transitions. Second operand 6 states. [2020-10-26 20:37:59,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:37:59,895 INFO L93 Difference]: Finished difference Result 649 states and 929 transitions. [2020-10-26 20:37:59,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:37:59,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2020-10-26 20:37:59,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:37:59,902 INFO L225 Difference]: With dead ends: 649 [2020-10-26 20:37:59,903 INFO L226 Difference]: Without dead ends: 421 [2020-10-26 20:37:59,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:37:59,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-26 20:37:59,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 404. [2020-10-26 20:37:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-10-26 20:37:59,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 562 transitions. [2020-10-26 20:37:59,970 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 562 transitions. Word has length 155 [2020-10-26 20:37:59,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:37:59,971 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 562 transitions. [2020-10-26 20:37:59,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 20:37:59,972 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 562 transitions. [2020-10-26 20:37:59,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-26 20:37:59,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:37:59,979 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:37:59,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:37:59,980 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:37:59,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:37:59,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1781387932, now seen corresponding path program 1 times [2020-10-26 20:37:59,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:37:59,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212740581] [2020-10-26 20:37:59,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:00,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:00,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:00,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:01,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:01,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-26 20:38:01,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:01,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1654 [2020-10-26 20:38:01,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:01,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:38:01,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:01,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-26 20:38:01,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:01,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:01,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:01,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:01,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:01,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:01,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 20:38:01,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:01,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:01,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:01,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:01,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:01,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:01,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:38:01,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:01,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 20:38:01,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-26 20:38:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 20:38:01,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212740581] [2020-10-26 20:38:01,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:01,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:38:01,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613573169] [2020-10-26 20:38:01,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 20:38:01,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:01,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 20:38:01,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:38:01,985 INFO L87 Difference]: Start difference. First operand 404 states and 562 transitions. Second operand 6 states. [2020-10-26 20:38:03,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:03,692 INFO L93 Difference]: Finished difference Result 1126 states and 1623 transitions. [2020-10-26 20:38:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:38:03,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2020-10-26 20:38:03,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:03,700 INFO L225 Difference]: With dead ends: 1126 [2020-10-26 20:38:03,700 INFO L226 Difference]: Without dead ends: 728 [2020-10-26 20:38:03,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:38:03,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-10-26 20:38:03,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 709. [2020-10-26 20:38:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-10-26 20:38:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 983 transitions. [2020-10-26 20:38:03,737 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 983 transitions. Word has length 159 [2020-10-26 20:38:03,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:03,738 INFO L481 AbstractCegarLoop]: Abstraction has 709 states and 983 transitions. [2020-10-26 20:38:03,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 20:38:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 983 transitions. [2020-10-26 20:38:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-26 20:38:03,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:03,743 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:03,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:38:03,743 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:03,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:03,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1626326155, now seen corresponding path program 1 times [2020-10-26 20:38:03,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:03,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457314290] [2020-10-26 20:38:03,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:03,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:03,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:03,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:05,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:06,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:06,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-26 20:38:06,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:38:06,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2298 [2020-10-26 20:38:06,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:38:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:38:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-26 20:38:06,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:06,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:06,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:06,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:06,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:06,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:06,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 20:38:06,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:06,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:06,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:06,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:38:06,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:06,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:06,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:06,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:06,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:06,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:38:06,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:06,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 20:38:06,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:06,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:06,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:06,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:38:06,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:06,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:38:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:06,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:06,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:06,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-26 20:38:06,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-26 20:38:06,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-26 20:38:06,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-26 20:38:06,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457314290] [2020-10-26 20:38:06,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:06,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:38:06,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767995354] [2020-10-26 20:38:06,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 20:38:06,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:06,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 20:38:06,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:38:06,429 INFO L87 Difference]: Start difference. First operand 709 states and 983 transitions. Second operand 8 states. [2020-10-26 20:38:08,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:08,482 INFO L93 Difference]: Finished difference Result 2045 states and 2939 transitions. [2020-10-26 20:38:08,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 20:38:08,485 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2020-10-26 20:38:08,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:08,496 INFO L225 Difference]: With dead ends: 2045 [2020-10-26 20:38:08,496 INFO L226 Difference]: Without dead ends: 1342 [2020-10-26 20:38:08,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:38:08,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2020-10-26 20:38:08,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1331. [2020-10-26 20:38:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1331 states. [2020-10-26 20:38:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1824 transitions. [2020-10-26 20:38:08,595 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1824 transitions. Word has length 181 [2020-10-26 20:38:08,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:08,595 INFO L481 AbstractCegarLoop]: Abstraction has 1331 states and 1824 transitions. [2020-10-26 20:38:08,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 20:38:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1824 transitions. [2020-10-26 20:38:08,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-26 20:38:08,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:08,603 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:08,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:38:08,604 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:08,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:08,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1468177554, now seen corresponding path program 1 times [2020-10-26 20:38:08,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:08,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707806184] [2020-10-26 20:38:08,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:08,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:08,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:09,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:10,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:10,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-26 20:38:10,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:38:10,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1377 [2020-10-26 20:38:10,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-26 20:38:10,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-26 20:38:10,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:10,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:10,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:10,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:10,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:10,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:10,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 20:38:10,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:10,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:10,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:10,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:10,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:10,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:10,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:38:10,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:10,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 20:38:10,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-26 20:38:10,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:10,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:38:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:10,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:10,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:10,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-26 20:38:10,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:10,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-26 20:38:10,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:10,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:10,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:10,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-26 20:38:10,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 20:38:10,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707806184] [2020-10-26 20:38:10,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:10,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:38:10,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388509570] [2020-10-26 20:38:10,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:10,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:10,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:10,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:10,314 INFO L87 Difference]: Start difference. First operand 1331 states and 1824 transitions. Second operand 7 states. [2020-10-26 20:38:10,465 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:38:12,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:12,377 INFO L93 Difference]: Finished difference Result 3429 states and 4785 transitions. [2020-10-26 20:38:12,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 20:38:12,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-10-26 20:38:12,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:12,391 INFO L225 Difference]: With dead ends: 3429 [2020-10-26 20:38:12,391 INFO L226 Difference]: Without dead ends: 2104 [2020-10-26 20:38:12,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2020-10-26 20:38:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2087. [2020-10-26 20:38:12,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2020-10-26 20:38:12,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2822 transitions. [2020-10-26 20:38:12,471 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2822 transitions. Word has length 190 [2020-10-26 20:38:12,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:12,472 INFO L481 AbstractCegarLoop]: Abstraction has 2087 states and 2822 transitions. [2020-10-26 20:38:12,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2822 transitions. [2020-10-26 20:38:12,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-26 20:38:12,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:12,481 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:12,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:38:12,481 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:12,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:12,482 INFO L82 PathProgramCache]: Analyzing trace with hash -785879208, now seen corresponding path program 1 times [2020-10-26 20:38:12,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:12,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643440818] [2020-10-26 20:38:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:12,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:12,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:13,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:14,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-26 20:38:14,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:38:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1814 [2020-10-26 20:38:14,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:38:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:38:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-26 20:38:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:14,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:14,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:14,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:14,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:38:14,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:14,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:14,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:14,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:14,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:38:14,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:14,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:38:14,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:14,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:14,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:14,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:38:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:14,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:14,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:38:14,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:14,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-26 20:38:14,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:14,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:14,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:14,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:38:14,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:14,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-26 20:38:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:14,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:14,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:14,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-26 20:38:14,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:38:14,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-26 20:38:14,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:14,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-26 20:38:14,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 53 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-26 20:38:14,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643440818] [2020-10-26 20:38:14,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:14,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:38:14,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811771819] [2020-10-26 20:38:14,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:14,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:14,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:14,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:14,824 INFO L87 Difference]: Start difference. First operand 2087 states and 2822 transitions. Second operand 7 states. [2020-10-26 20:38:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:16,620 INFO L93 Difference]: Finished difference Result 4227 states and 5931 transitions. [2020-10-26 20:38:16,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:38:16,621 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-10-26 20:38:16,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:16,638 INFO L225 Difference]: With dead ends: 4227 [2020-10-26 20:38:16,638 INFO L226 Difference]: Without dead ends: 2146 [2020-10-26 20:38:16,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-26 20:38:16,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2020-10-26 20:38:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 1641. [2020-10-26 20:38:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1641 states. [2020-10-26 20:38:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2067 transitions. [2020-10-26 20:38:16,728 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2067 transitions. Word has length 196 [2020-10-26 20:38:16,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:16,728 INFO L481 AbstractCegarLoop]: Abstraction has 1641 states and 2067 transitions. [2020-10-26 20:38:16,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2067 transitions. [2020-10-26 20:38:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-26 20:38:16,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:16,735 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:16,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:38:16,736 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:16,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:16,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1872444627, now seen corresponding path program 1 times [2020-10-26 20:38:16,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:16,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472896320] [2020-10-26 20:38:16,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:16,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:16,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:16,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:18,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:20,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:20,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-26 20:38:20,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:38:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3748 [2020-10-26 20:38:20,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:20,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-26 20:38:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-26 20:38:20,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:20,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:20,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:20,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:20,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:20,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:38:20,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:20,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:20,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:20,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:20,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:38:20,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 20:38:20,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-26 20:38:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:20,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:38:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:20,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:20,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:20,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-26 20:38:20,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:20,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-26 20:38:20,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-26 20:38:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:20,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-26 20:38:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:20,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:20,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:20,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-26 20:38:20,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:20,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 20:38:20,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:20,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:20,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-26 20:38:20,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:20,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 68 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-26 20:38:20,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472896320] [2020-10-26 20:38:20,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:20,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:38:20,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725804282] [2020-10-26 20:38:20,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:20,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:20,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:20,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:20,863 INFO L87 Difference]: Start difference. First operand 1641 states and 2067 transitions. Second operand 7 states. [2020-10-26 20:38:23,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:23,270 INFO L93 Difference]: Finished difference Result 3299 states and 4215 transitions. [2020-10-26 20:38:23,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:38:23,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 209 [2020-10-26 20:38:23,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:23,281 INFO L225 Difference]: With dead ends: 3299 [2020-10-26 20:38:23,281 INFO L226 Difference]: Without dead ends: 1664 [2020-10-26 20:38:23,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:23,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-10-26 20:38:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1637. [2020-10-26 20:38:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2020-10-26 20:38:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 1980 transitions. [2020-10-26 20:38:23,343 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 1980 transitions. Word has length 209 [2020-10-26 20:38:23,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:23,344 INFO L481 AbstractCegarLoop]: Abstraction has 1637 states and 1980 transitions. [2020-10-26 20:38:23,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 1980 transitions. [2020-10-26 20:38:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-26 20:38:23,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:38:23,350 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:38:23,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 20:38:23,350 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:38:23,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:38:23,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1730730961, now seen corresponding path program 1 times [2020-10-26 20:38:23,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:38:23,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948075963] [2020-10-26 20:38:23,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:38:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:23,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:23,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:23,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:25,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:26,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:26,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-26 20:38:26,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:38:26,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3597 [2020-10-26 20:38:26,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:38:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-26 20:38:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:38:27,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:38:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:27,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:27,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:27,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:38:27,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:27,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:38:27,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:27,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:38:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:27,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:27,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:27,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:38:27,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:27,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:38:27,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:27,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:27,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:38:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:27,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:27,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:27,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:38:27,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:27,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-26 20:38:27,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:38:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:38:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:38:27,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:27,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-26 20:38:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:27,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:27,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:27,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-26 20:38:27,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:27,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-26 20:38:27,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:27,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:38:27,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:38:27,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-26 20:38:27,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:27,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-26 20:38:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:38:27,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:38:27,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:38:27,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-26 20:38:27,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:38:27,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 20:38:27,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:38:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:38:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-26 20:38:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:38:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:38:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 106 proven. 14 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-26 20:38:27,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948075963] [2020-10-26 20:38:27,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:38:27,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:38:27,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166942641] [2020-10-26 20:38:27,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:38:27,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:38:27,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:38:27,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:38:27,357 INFO L87 Difference]: Start difference. First operand 1637 states and 1980 transitions. Second operand 7 states. [2020-10-26 20:38:29,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:38:29,337 INFO L93 Difference]: Finished difference Result 3079 states and 3693 transitions. [2020-10-26 20:38:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:38:29,345 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-10-26 20:38:29,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:38:29,345 INFO L225 Difference]: With dead ends: 3079 [2020-10-26 20:38:29,347 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 20:38:29,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:38:29,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 20:38:29,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 20:38:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 20:38:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 20:38:29,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-10-26 20:38:29,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:38:29,361 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 20:38:29,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:38:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 20:38:29,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 20:38:29,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 20:38:29,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 20:38:29,989 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 147 [2020-10-26 20:38:30,204 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 157 [2020-10-26 20:38:30,360 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 34 [2020-10-26 20:38:31,384 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 147 DAG size of output: 59 [2020-10-26 20:38:31,644 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-10-26 20:38:32,088 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 46 [2020-10-26 20:38:32,648 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2020-10-26 20:38:32,654 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 20:38:32,654 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 20:38:32,654 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 20:38:32,655 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 20:38:32,655 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:38:32,657 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)|)) [2020-10-26 20:38:32,657 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:38:32,657 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-26 20:38:32,657 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-26 20:38:32,658 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-26 20:38:32,659 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-26 20:38:32,659 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-26 20:38:32,659 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-26 20:38:32,659 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-26 20:38:32,659 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:38:32,659 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-26 20:38:32,659 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-26 20:38:32,659 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-26 20:38:32,659 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:38:32,660 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-26 20:38:32,660 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-26 20:38:32,660 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-26 20:38:32,660 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,660 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,660 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,661 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,661 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,661 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-26 20:38:32,661 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-26 20:38:32,661 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-26 20:38:32,662 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-26 20:38:32,662 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-26 20:38:32,662 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-26 20:38:32,663 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-26 20:38:32,663 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-26 20:38:32,663 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-26 20:38:32,663 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-26 20:38:32,663 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:38:32,663 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-26 20:38:32,663 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-26 20:38:32,664 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,664 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,664 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,665 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,666 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-26 20:38:32,666 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,667 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-26 20:38:32,667 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-26 20:38:32,667 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-26 20:38:32,667 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-26 20:38:32,667 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-26 20:38:32,667 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-26 20:38:32,667 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-26 20:38:32,668 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:38:32,668 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-26 20:38:32,668 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-26 20:38:32,669 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-26 20:38:32,669 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-26 20:38:32,669 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:38:32,669 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-26 20:38:32,669 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-26 20:38:32,670 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,670 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,671 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,671 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,671 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,671 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:38:32,672 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-26 20:38:32,672 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-26 20:38:32,672 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-26 20:38:32,672 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-26 20:38:32,673 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-26 20:38:32,673 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-26 20:38:32,673 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-26 20:38:32,673 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-26 20:38:32,674 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-26 20:38:32,674 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-26 20:38:32,674 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,674 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,674 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,674 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,674 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,674 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-26 20:38:32,674 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-26 20:38:32,675 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-26 20:38:32,676 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-26 20:38:32,677 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-26 20:38:32,677 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-26 20:38:32,678 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-26 20:38:32,678 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-26 20:38:32,678 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-26 20:38:32,678 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,678 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,678 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-26 20:38:32,678 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-26 20:38:32,678 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-26 20:38:32,678 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-26 20:38:32,679 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:38:32,679 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-26 20:38:32,679 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-26 20:38:32,679 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,679 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,679 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,679 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,679 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-26 20:38:32,679 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,680 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:38:32,680 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-26 20:38:32,681 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,682 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,683 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-26 20:38:32,683 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-26 20:38:32,683 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-26 20:38:32,683 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-26 20:38:32,683 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-26 20:38:32,684 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-26 20:38:32,684 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-26 20:38:32,685 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-26 20:38:32,685 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-26 20:38:32,686 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-26 20:38:32,686 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-26 20:38:32,686 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,686 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,686 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,686 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,686 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,686 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,686 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-26 20:38:32,687 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-26 20:38:32,687 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-26 20:38:32,687 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-26 20:38:32,687 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-26 20:38:32,687 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-26 20:38:32,687 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-26 20:38:32,688 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a17~0)| 7))) (.cse9 (not (<= |old(~a25~0)| 1))) (.cse10 (not (<= 1 |old(~a25~0)|))) (.cse11 (<= 1 ~a25~0)) (.cse12 (<= ~a25~0 1)) (.cse16 (not (<= |old(~a19~0)| 0))) (.cse5 (= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a19~0 |old(~a19~0)|)) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a11~0 |old(~a11~0)|)) (.cse7 (= ~a19~0 1)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse14 (= ~a17~0 8)) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse3 (not (= 0 |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8)) (or .cse9 .cse0 .cse1 .cse2 .cse10 (and .cse4 .cse5 .cse6 .cse7 .cse11 .cse12)) (or .cse9 .cse1 .cse13 (and .cse4 .cse6 .cse7 .cse11 .cse14 .cse12) .cse10) (or .cse9 .cse0 .cse10 (and .cse4 .cse5 .cse6 .cse11 .cse12 .cse15) .cse16) (or (and (or .cse0 .cse3 .cse16) (or .cse13 .cse3 .cse16)) (and .cse4 .cse5 .cse6 (= ~a25~0 0) .cse15)) (or .cse0 .cse1 (and .cse4 .cse6 .cse7 .cse8 .cse14) .cse13 .cse3))) [2020-10-26 20:38:32,688 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-26 20:38:32,688 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-26 20:38:32,688 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-26 20:38:32,688 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-26 20:38:32,688 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-26 20:38:32,688 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-26 20:38:32,689 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-26 20:38:32,689 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,689 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,689 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,689 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,689 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,689 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,689 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-26 20:38:32,689 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-26 20:38:32,690 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-26 20:38:32,690 INFO L270 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a17~0)| 7))) (.cse0 (not (<= |old(~a28~0)| 10))) (.cse3 (not (= 0 |old(~a25~0)|))) (.cse7 (not (<= |old(~a19~0)| 0))) (.cse5 (not (<= |old(~a25~0)| 1))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse6 (not (<= 1 |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse0 .cse1 .cse2 .cse6) (or .cse5 .cse0 .cse6 .cse7) (or .cse0 .cse3 .cse7) (or .cse4 .cse3 .cse7) (or .cse5 .cse1 .cse4 .cse6))) [2020-10-26 20:38:32,690 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-26 20:38:32,690 INFO L274 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-26 20:38:32,690 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-26 20:38:32,690 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-26 20:38:32,690 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-26 20:38:32,690 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,691 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-26 20:38:32,692 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-26 20:38:32,693 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-26 20:38:32,694 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-26 20:38:32,694 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-26 20:38:32,694 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-26 20:38:32,694 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 20:38:32,694 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a25~0 0) (= ~a21~0 1) (= ~a17~0 8) (= 7 ~a28~0) (= ~a11~0 0)) [2020-10-26 20:38:32,694 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 20:38:32,694 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 20:38:32,694 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse6 (<= ~a19~0 0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (<= 1 ~a25~0)) (.cse8 (= ~a17~0 8)) (.cse2 (<= ~a25~0 1)) (.cse0 (= ~a19~0 1)) (.cse7 (= ~a25~0 0)) (.cse4 (<= ~a17~0 7)) (.cse3 (<= ~a28~0 10))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~a11~0)|)) (and .cse5 (or (and .cse6 .cse7 .cse8) (and .cse6 .cse7 .cse3))) (and .cse6 .cse1 .cse5 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse7 .cse8 .cse3) (not (= ~a21~0 1)) (and .cse0 .cse1 .cse8 .cse2) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse7 .cse4 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:38:32,695 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= 7 ~a28~0)) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (not (= ~a21~0 1)) (not (= 7 |old(~a28~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-26 20:38:32,695 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:38:32,695 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-26 20:38:32,695 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse6 (<= ~a19~0 0)) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (<= 1 ~a25~0)) (.cse8 (= ~a17~0 8)) (.cse2 (<= ~a25~0 1)) (.cse0 (= ~a19~0 1)) (.cse7 (= ~a25~0 0)) (.cse4 (<= ~a17~0 7)) (.cse3 (<= ~a28~0 10))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~a11~0)|)) (and .cse5 (or (and .cse6 .cse7 .cse8) (and .cse6 .cse7 .cse3))) (and .cse6 .cse1 .cse5 .cse2 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse7 .cse8 .cse3) (not (= ~a21~0 1)) (and .cse0 .cse1 .cse8 .cse2) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse7 .cse4 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-26 20:38:32,695 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-26 20:38:32,695 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-26 20:38:32,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:38:32 BoogieIcfgContainer [2020-10-26 20:38:32,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:38:32,738 INFO L168 Benchmark]: Toolchain (without parser) took 48001.41 ms. Allocated memory was 152.0 MB in the beginning and 669.0 MB in the end (delta: 516.9 MB). Free memory was 124.3 MB in the beginning and 425.7 MB in the end (delta: -301.5 MB). Peak memory consumption was 395.6 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:32,739 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 152.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:38:32,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.03 ms. Allocated memory is still 152.0 MB. Free memory was 123.6 MB in the beginning and 98.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:32,741 INFO L168 Benchmark]: Boogie Preprocessor took 190.58 ms. Allocated memory is still 152.0 MB. Free memory was 98.1 MB in the beginning and 93.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:32,742 INFO L168 Benchmark]: RCFGBuilder took 1795.39 ms. Allocated memory is still 152.0 MB. Free memory was 93.0 MB in the beginning and 64.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 40.7 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:32,743 INFO L168 Benchmark]: TraceAbstraction took 45196.10 ms. Allocated memory was 152.0 MB in the beginning and 669.0 MB in the end (delta: 516.9 MB). Free memory was 63.4 MB in the beginning and 425.7 MB in the end (delta: -362.3 MB). Peak memory consumption was 333.9 MB. Max. memory is 8.0 GB. [2020-10-26 20:38:32,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 152.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 802.03 ms. Allocated memory is still 152.0 MB. Free memory was 123.6 MB in the beginning and 98.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 190.58 ms. Allocated memory is still 152.0 MB. Free memory was 98.1 MB in the beginning and 93.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1795.39 ms. Allocated memory is still 152.0 MB. Free memory was 93.0 MB in the beginning and 64.0 MB in the end (delta: 29.1 MB). Peak memory consumption was 40.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 45196.10 ms. Allocated memory was 152.0 MB in the beginning and 669.0 MB in the end (delta: 516.9 MB). Free memory was 63.4 MB in the beginning and 425.7 MB in the end (delta: -362.3 MB). Peak memory consumption was 333.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((((!(\old(a19) == 1) || ((((a19 == 1 && 1 <= a25) && a25 <= 1) && a28 <= 10) && a17 <= 7)) || !(0 == \old(a11))) || (a17 <= \old(a17) && (((a19 <= 0 && a25 == 0) && a17 == 8) || ((a19 <= 0 && a25 == 0) && a28 <= 10)))) || ((((a19 <= 0 && 1 <= a25) && a17 <= \old(a17)) && a25 <= 1) && a28 <= 10)) || !(8 == \old(a17))) || (((a19 == 1 && a25 == 0) && a17 == 8) && a28 <= 10)) || !(a21 == 1)) || (((a19 == 1 && 1 <= a25) && a17 == 8) && a25 <= 1)) || !(7 == \old(a28))) || (((a19 == 1 && a25 == 0) && a17 <= 7) && a28 <= 10)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 18.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 287 SDtfs, 3263 SDslu, 426 SDs, 0 SdLazy, 7207 SolverSat, 1352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2087occurred in iteration=5, 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, 8 MinimizatonAttempts, 599 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 146 PreInvPairs, 166 NumberOfFragments, 725 HoareAnnotationTreeSize, 146 FomulaSimplifications, 55250 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 6423 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 1458 NumberOfCodeBlocks, 1458 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1450 ConstructedInterpolants, 0 QuantifiedInterpolants, 1000107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 374/433 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...