/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:42:29,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:42:29,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:42:29,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:42:29,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:42:29,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:42:29,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:42:29,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:42:29,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:42:29,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:42:29,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:42:29,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:42:29,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:42:29,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:42:29,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:42:29,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:42:29,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:42:29,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:42:29,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:42:29,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:42:29,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:42:29,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:42:29,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:42:29,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:42:29,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:42:29,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:42:29,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:42:29,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:42:29,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:42:29,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:42:29,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:42:29,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:42:29,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:42:29,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:42:29,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:42:29,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:42:29,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:42:29,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:42:29,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:42:29,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:42:29,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:42:29,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:42:29,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:42:29,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:42:29,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:42:29,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:42:29,275 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:42:29,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:42:29,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:42:29,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:42:29,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:42:29,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:42:29,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:42:29,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:42:29,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:42:29,279 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:42:29,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:42:29,280 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:42:29,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:42:29,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:42:29,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:42:29,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:42:29,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:42:29,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:42:29,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:42:29,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:42:29,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:42:29,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:42:29,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:42:29,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:42:29,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:42:29,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:42:29,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:42:29,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:42:29,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:42:29,766 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:42:29,767 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:42:29,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label06.c [2020-10-29 06:42:29,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8708c147/af0e462f33bf45959b3c082cc396bbf0/FLAGaa90f1384 [2020-10-29 06:42:30,765 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:42:30,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label06.c [2020-10-29 06:42:30,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8708c147/af0e462f33bf45959b3c082cc396bbf0/FLAGaa90f1384 [2020-10-29 06:42:30,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8708c147/af0e462f33bf45959b3c082cc396bbf0 [2020-10-29 06:42:30,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:42:30,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:42:30,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:42:30,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:42:30,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:42:30,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:42:30" (1/1) ... [2020-10-29 06:42:30,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aafa3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:30, skipping insertion in model container [2020-10-29 06:42:30,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:42:30" (1/1) ... [2020-10-29 06:42:30,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:42:31,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:42:31,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:42:31,684 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:42:31,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:42:31,925 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:42:31,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31 WrapperNode [2020-10-29 06:42:31,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:42:31,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:42:31,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:42:31,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:42:31,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31" (1/1) ... [2020-10-29 06:42:31,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31" (1/1) ... [2020-10-29 06:42:31,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31" (1/1) ... [2020-10-29 06:42:31,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31" (1/1) ... [2020-10-29 06:42:32,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31" (1/1) ... [2020-10-29 06:42:32,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31" (1/1) ... [2020-10-29 06:42:32,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31" (1/1) ... [2020-10-29 06:42:32,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:42:32,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:42:32,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:42:32,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:42:32,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:42:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:42:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:42:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:42:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:42:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:42:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:42:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:42:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:42:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:42:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:42:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:42:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:42:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:42:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:42:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:42:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:42:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:42:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:42:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:42:34,425 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:42:34,425 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:42:34,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:42:34 BoogieIcfgContainer [2020-10-29 06:42:34,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:42:34,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:42:34,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:42:34,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:42:34,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:42:30" (1/3) ... [2020-10-29 06:42:34,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422f4bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:42:34, skipping insertion in model container [2020-10-29 06:42:34,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:42:31" (2/3) ... [2020-10-29 06:42:34,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@422f4bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:42:34, skipping insertion in model container [2020-10-29 06:42:34,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:42:34" (3/3) ... [2020-10-29 06:42:34,437 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label06.c [2020-10-29 06:42:34,451 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:42:34,456 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:42:34,470 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:42:34,500 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:42:34,500 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:42:34,500 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:42:34,500 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:42:34,500 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:42:34,501 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:42:34,501 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:42:34,501 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:42:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:42:34,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 06:42:34,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:34,536 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] [2020-10-29 06:42:34,536 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:34,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:34,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1896184136, now seen corresponding path program 1 times [2020-10-29 06:42:34,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:34,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456466832] [2020-10-29 06:42:34,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:34,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:35,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:35,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:42:35,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:35,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 707 [2020-10-29 06:42:35,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:35,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:42:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:42:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 06:42:35,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:42:35,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:35,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:35,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:35,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:35,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 06:42:35,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:35,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:42:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 50 [2020-10-29 06:42:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:35,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456466832] [2020-10-29 06:42:35,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:42:35,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:42:35,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545630919] [2020-10-29 06:42:35,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:42:35,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:35,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:42:35,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:42:35,923 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-29 06:42:39,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:39,162 INFO L93 Difference]: Finished difference Result 793 states and 1388 transitions. [2020-10-29 06:42:39,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:39,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2020-10-29 06:42:39,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:39,196 INFO L225 Difference]: With dead ends: 793 [2020-10-29 06:42:39,196 INFO L226 Difference]: Without dead ends: 432 [2020-10-29 06:42:39,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:39,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-29 06:42:39,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2020-10-29 06:42:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-29 06:42:39,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 613 transitions. [2020-10-29 06:42:39,298 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 613 transitions. Word has length 70 [2020-10-29 06:42:39,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:39,299 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 613 transitions. [2020-10-29 06:42:39,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:42:39,299 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 613 transitions. [2020-10-29 06:42:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-29 06:42:39,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:39,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:42:39,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:42:39,308 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:39,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:39,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1520328204, now seen corresponding path program 1 times [2020-10-29 06:42:39,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:39,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024846712] [2020-10-29 06:42:39,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:39,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:39,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:41,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:41,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-29 06:42:41,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:42:41,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2158 [2020-10-29 06:42:41,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:41,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-29 06:42:41,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:42:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:41,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:41,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:41,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:41,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:41,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:42:41,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:41,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:41,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:41,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:41,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:41,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:41,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:41,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:42:41,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:41,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-29 06:42:41,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:41,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:41,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:41,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:41,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:42:41,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 22 [2020-10-29 06:42:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:41,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024846712] [2020-10-29 06:42:41,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:41,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:41,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731533666] [2020-10-29 06:42:41,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:42:41,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:41,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:42:41,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:41,961 INFO L87 Difference]: Start difference. First operand 426 states and 613 transitions. Second operand 5 states. [2020-10-29 06:42:44,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:44,913 INFO L93 Difference]: Finished difference Result 1250 states and 1818 transitions. [2020-10-29 06:42:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:44,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-10-29 06:42:44,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:44,921 INFO L225 Difference]: With dead ends: 1250 [2020-10-29 06:42:44,921 INFO L226 Difference]: Without dead ends: 830 [2020-10-29 06:42:44,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:42:44,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-10-29 06:42:44,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 816. [2020-10-29 06:42:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2020-10-29 06:42:44,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1090 transitions. [2020-10-29 06:42:44,981 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1090 transitions. Word has length 142 [2020-10-29 06:42:44,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:44,985 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 1090 transitions. [2020-10-29 06:42:44,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:42:44,986 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1090 transitions. [2020-10-29 06:42:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-29 06:42:44,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:44,994 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:42:44,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:42:44,994 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:44,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:44,997 INFO L82 PathProgramCache]: Analyzing trace with hash -633708688, now seen corresponding path program 1 times [2020-10-29 06:42:44,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:44,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1315381432] [2020-10-29 06:42:44,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:45,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:45,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:45,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:47,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:47,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-29 06:42:47,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:42:47,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2258 [2020-10-29 06:42:47,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:47,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-29 06:42:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:42:47,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:47,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:47,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:47,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:47,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:47,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:47,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:42:47,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:47,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:47,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:47,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:47,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:47,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:47,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:47,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:47,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:42:47,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:47,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 06:42:47,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:47,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 06:42:47,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:47,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1315381432] [2020-10-29 06:42:47,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:47,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:47,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676431073] [2020-10-29 06:42:47,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:42:47,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:47,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:42:47,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:47,664 INFO L87 Difference]: Start difference. First operand 816 states and 1090 transitions. Second operand 5 states. [2020-10-29 06:42:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:50,597 INFO L93 Difference]: Finished difference Result 1640 states and 2314 transitions. [2020-10-29 06:42:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:50,598 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-10-29 06:42:50,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:50,606 INFO L225 Difference]: With dead ends: 1640 [2020-10-29 06:42:50,606 INFO L226 Difference]: Without dead ends: 1218 [2020-10-29 06:42:50,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:42:50,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-29 06:42:50,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1211. [2020-10-29 06:42:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1211 states. [2020-10-29 06:42:50,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1606 transitions. [2020-10-29 06:42:50,672 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1606 transitions. Word has length 144 [2020-10-29 06:42:50,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:50,676 INFO L481 AbstractCegarLoop]: Abstraction has 1211 states and 1606 transitions. [2020-10-29 06:42:50,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:42:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1606 transitions. [2020-10-29 06:42:50,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-29 06:42:50,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:50,683 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:42:50,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:42:50,684 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:50,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:50,684 INFO L82 PathProgramCache]: Analyzing trace with hash -731498524, now seen corresponding path program 1 times [2020-10-29 06:42:50,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:50,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493606183] [2020-10-29 06:42:50,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:50,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:50,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:51,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:51,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:52,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:52,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-29 06:42:52,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:42:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1936 [2020-10-29 06:42:52,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:52,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:42:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:42:52,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-29 06:42:52,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:52,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:52,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:52,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:52,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 06:42:52,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:52,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:52,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:42:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:52,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:52,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:52,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:53,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:53,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 06:42:53,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:42:53,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-29 06:42:53,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:53,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:53,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:42:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:42:53,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493606183] [2020-10-29 06:42:53,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:53,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:53,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892018522] [2020-10-29 06:42:53,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:42:53,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:53,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:42:53,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:42:53,193 INFO L87 Difference]: Start difference. First operand 1211 states and 1606 transitions. Second operand 6 states. [2020-10-29 06:42:55,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:55,846 INFO L93 Difference]: Finished difference Result 2626 states and 3498 transitions. [2020-10-29 06:42:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 06:42:55,846 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2020-10-29 06:42:55,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:55,857 INFO L225 Difference]: With dead ends: 2626 [2020-10-29 06:42:55,857 INFO L226 Difference]: Without dead ends: 1421 [2020-10-29 06:42:55,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:42:55,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2020-10-29 06:42:55,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1412. [2020-10-29 06:42:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1412 states. [2020-10-29 06:42:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1841 transitions. [2020-10-29 06:42:55,926 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1841 transitions. Word has length 150 [2020-10-29 06:42:55,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:55,926 INFO L481 AbstractCegarLoop]: Abstraction has 1412 states and 1841 transitions. [2020-10-29 06:42:55,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:42:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1841 transitions. [2020-10-29 06:42:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-29 06:42:55,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:55,930 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:42:55,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:42:55,931 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:55,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:55,931 INFO L82 PathProgramCache]: Analyzing trace with hash 707221064, now seen corresponding path program 1 times [2020-10-29 06:42:55,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:55,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302755130] [2020-10-29 06:42:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:56,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:56,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:57,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:57,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-29 06:42:57,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:42:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1610 [2020-10-29 06:42:57,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:57,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:42:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:42:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 06:42:57,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:57,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:57,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:57,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:57,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:57,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:57,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 06:42:57,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:57,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:42:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:57,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:57,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:57,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:57,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 06:42:57,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:57,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-29 06:42:57,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:57,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:57,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 06:42:57,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:42:58,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302755130] [2020-10-29 06:42:58,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:42:58,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:42:58,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821965563] [2020-10-29 06:42:58,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:42:58,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:58,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:42:58,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:42:58,163 INFO L87 Difference]: Start difference. First operand 1412 states and 1841 transitions. Second operand 7 states. [2020-10-29 06:43:01,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:01,262 INFO L93 Difference]: Finished difference Result 2287 states and 3067 transitions. [2020-10-29 06:43:01,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:43:01,266 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 164 [2020-10-29 06:43:01,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:01,275 INFO L225 Difference]: With dead ends: 2287 [2020-10-29 06:43:01,275 INFO L226 Difference]: Without dead ends: 1461 [2020-10-29 06:43:01,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:43:01,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2020-10-29 06:43:01,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1434. [2020-10-29 06:43:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-10-29 06:43:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1865 transitions. [2020-10-29 06:43:01,331 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 1865 transitions. Word has length 164 [2020-10-29 06:43:01,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:01,332 INFO L481 AbstractCegarLoop]: Abstraction has 1434 states and 1865 transitions. [2020-10-29 06:43:01,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:01,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1865 transitions. [2020-10-29 06:43:01,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-29 06:43:01,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:01,336 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:01,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:43:01,337 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:01,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:01,337 INFO L82 PathProgramCache]: Analyzing trace with hash 720472939, now seen corresponding path program 1 times [2020-10-29 06:43:01,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:01,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001619228] [2020-10-29 06:43:01,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:01,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:01,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:01,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-29 06:43:01,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:01,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-29 06:43:01,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:01,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:01,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:43:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-29 06:43:01,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:01,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:01,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:01,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:01,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:01,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:01,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:43:01,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:01,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:01,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:01,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:01,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:02,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:02,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:02,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:02,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:02,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-29 06:43:02,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:02,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:02,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:43:02,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:43:02,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001619228] [2020-10-29 06:43:02,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:02,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:43:02,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917122340] [2020-10-29 06:43:02,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:43:02,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:02,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:43:02,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:43:02,234 INFO L87 Difference]: Start difference. First operand 1434 states and 1865 transitions. Second operand 5 states. [2020-10-29 06:43:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:05,278 INFO L93 Difference]: Finished difference Result 3276 states and 4466 transitions. [2020-10-29 06:43:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:43:05,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 201 [2020-10-29 06:43:05,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:05,294 INFO L225 Difference]: With dead ends: 3276 [2020-10-29 06:43:05,295 INFO L226 Difference]: Without dead ends: 2036 [2020-10-29 06:43:05,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:43:05,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2020-10-29 06:43:05,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 2015. [2020-10-29 06:43:05,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2015 states. [2020-10-29 06:43:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 2608 transitions. [2020-10-29 06:43:05,370 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 2608 transitions. Word has length 201 [2020-10-29 06:43:05,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:05,370 INFO L481 AbstractCegarLoop]: Abstraction has 2015 states and 2608 transitions. [2020-10-29 06:43:05,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:43:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2608 transitions. [2020-10-29 06:43:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-29 06:43:05,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:05,376 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:43:05,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:43:05,376 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:05,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:05,377 INFO L82 PathProgramCache]: Analyzing trace with hash -313558240, now seen corresponding path program 1 times [2020-10-29 06:43:05,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:05,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290106375] [2020-10-29 06:43:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:05,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:05,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:05,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:05,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:08,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:10,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:10,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:10,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-29 06:43:10,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 06:43:10,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-29 06:43:10,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:10,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:10,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:43:10,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-29 06:43:10,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 06:43:10,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:10,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:10,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:10,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:10,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:10,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:43:10,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:10,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:10,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:10,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:10,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:10,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:10,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:43:10,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:10,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 06:43:10,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:10,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:10,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:10,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:10,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:43:10,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 06:43:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:10,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:10,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:10,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:10,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 06:43:10,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:10,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-10-29 06:43:10,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:10,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:10,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:10,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:10,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:43:10,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 129 proven. 62 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 06:43:11,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290106375] [2020-10-29 06:43:11,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:11,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:11,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419307694] [2020-10-29 06:43:11,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:11,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:11,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:11,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:11,139 INFO L87 Difference]: Start difference. First operand 2015 states and 2608 transitions. Second operand 7 states. [2020-10-29 06:43:16,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:16,137 INFO L93 Difference]: Finished difference Result 5818 states and 7754 transitions. [2020-10-29 06:43:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:43:16,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-10-29 06:43:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:16,159 INFO L225 Difference]: With dead ends: 5818 [2020-10-29 06:43:16,159 INFO L226 Difference]: Without dead ends: 3997 [2020-10-29 06:43:16,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:43:16,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3997 states. [2020-10-29 06:43:16,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3997 to 3791. [2020-10-29 06:43:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3791 states. [2020-10-29 06:43:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3791 states and 4782 transitions. [2020-10-29 06:43:16,286 INFO L78 Accepts]: Start accepts. Automaton has 3791 states and 4782 transitions. Word has length 222 [2020-10-29 06:43:16,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:16,287 INFO L481 AbstractCegarLoop]: Abstraction has 3791 states and 4782 transitions. [2020-10-29 06:43:16,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3791 states and 4782 transitions. [2020-10-29 06:43:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-29 06:43:16,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:16,293 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:43:16,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:43:16,294 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:16,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:16,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1938571396, now seen corresponding path program 1 times [2020-10-29 06:43:16,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:16,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [430888961] [2020-10-29 06:43:16,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:16,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:16,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:16,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:18,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:21,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:21,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-29 06:43:21,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:43:21,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4987 [2020-10-29 06:43:21,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:21,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:21,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:21,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-29 06:43:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-29 06:43:21,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:43:21,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:21,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:21,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:21,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:21,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:43:21,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:21,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:21,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:21,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:21,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:21,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:21,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:43:21,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:21,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 06:43:21,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:21,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 06:43:21,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:21,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 06:43:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:21,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:21,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:21,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 06:43:21,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:21,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-29 06:43:21,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:21,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:21,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:21,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:21,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 06:43:21,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:43:22,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [430888961] [2020-10-29 06:43:22,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:22,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:22,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104462803] [2020-10-29 06:43:22,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:22,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:22,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:22,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:22,140 INFO L87 Difference]: Start difference. First operand 3791 states and 4782 transitions. Second operand 7 states. [2020-10-29 06:43:27,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:27,071 INFO L93 Difference]: Finished difference Result 8703 states and 11616 transitions. [2020-10-29 06:43:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:43:27,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 236 [2020-10-29 06:43:27,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:27,108 INFO L225 Difference]: With dead ends: 8703 [2020-10-29 06:43:27,108 INFO L226 Difference]: Without dead ends: 5106 [2020-10-29 06:43:27,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:43:27,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5106 states. [2020-10-29 06:43:27,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5106 to 4623. [2020-10-29 06:43:27,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4623 states. [2020-10-29 06:43:27,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 4623 states and 5808 transitions. [2020-10-29 06:43:27,286 INFO L78 Accepts]: Start accepts. Automaton has 4623 states and 5808 transitions. Word has length 236 [2020-10-29 06:43:27,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:27,287 INFO L481 AbstractCegarLoop]: Abstraction has 4623 states and 5808 transitions. [2020-10-29 06:43:27,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:27,287 INFO L276 IsEmpty]: Start isEmpty. Operand 4623 states and 5808 transitions. [2020-10-29 06:43:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-29 06:43:27,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:27,297 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:43:27,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:43:27,298 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:27,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:27,298 INFO L82 PathProgramCache]: Analyzing trace with hash -860655074, now seen corresponding path program 1 times [2020-10-29 06:43:27,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:27,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467814484] [2020-10-29 06:43:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:27,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:27,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:29,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:29,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-10-29 06:43:29,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:29,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1753 [2020-10-29 06:43:29,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:29,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:29,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:29,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-10-29 06:43:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:43:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:29,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:29,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:29,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:29,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:29,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:29,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:43:29,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:29,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:29,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:29,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:29,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:29,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:43:29,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 06:43:29,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:29,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:29,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:29,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:43:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:29,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:29,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 06:43:29,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:29,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 06:43:29,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:29,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:29,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:29,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:29,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 06:43:29,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-29 06:43:29,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467814484] [2020-10-29 06:43:29,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:29,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:43:29,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735372146] [2020-10-29 06:43:29,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:43:29,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:29,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:43:29,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:43:29,610 INFO L87 Difference]: Start difference. First operand 4623 states and 5808 transitions. Second operand 5 states. [2020-10-29 06:43:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:32,346 INFO L93 Difference]: Finished difference Result 9840 states and 12700 transitions. [2020-10-29 06:43:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:43:32,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2020-10-29 06:43:32,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:32,375 INFO L225 Difference]: With dead ends: 9840 [2020-10-29 06:43:32,376 INFO L226 Difference]: Without dead ends: 5417 [2020-10-29 06:43:32,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:43:32,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states. [2020-10-29 06:43:32,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 5384. [2020-10-29 06:43:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5384 states. [2020-10-29 06:43:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5384 states to 5384 states and 6779 transitions. [2020-10-29 06:43:32,539 INFO L78 Accepts]: Start accepts. Automaton has 5384 states and 6779 transitions. Word has length 280 [2020-10-29 06:43:32,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:32,540 INFO L481 AbstractCegarLoop]: Abstraction has 5384 states and 6779 transitions. [2020-10-29 06:43:32,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:43:32,540 INFO L276 IsEmpty]: Start isEmpty. Operand 5384 states and 6779 transitions. [2020-10-29 06:43:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-10-29 06:43:32,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:32,549 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:32,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:43:32,550 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:32,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:32,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1535912345, now seen corresponding path program 1 times [2020-10-29 06:43:32,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:32,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062896435] [2020-10-29 06:43:32,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:32,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:32,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:32,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:33,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:36,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:36,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:37,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:37,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-29 06:43:37,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 06:43:37,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-29 06:43:37,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:37,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:43:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:43:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 06:43:37,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:37,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:37,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:37,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:37,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:37,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:37,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:43:37,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:37,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:37,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:37,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:37,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:37,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:37,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:38,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:38,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:38,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:38,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 06:43:38,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:38,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:38,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:38,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:43:38,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:38,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:43:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:38,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:38,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:38,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:38,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 06:43:38,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:38,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-29 06:43:38,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:38,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:38,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:43:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 62 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 06:43:38,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062896435] [2020-10-29 06:43:38,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:38,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:43:38,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638952379] [2020-10-29 06:43:38,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:43:38,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:38,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:43:38,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:43:38,331 INFO L87 Difference]: Start difference. First operand 5384 states and 6779 transitions. Second operand 6 states. [2020-10-29 06:43:41,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:41,590 INFO L93 Difference]: Finished difference Result 12187 states and 16455 transitions. [2020-10-29 06:43:41,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:43:41,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 281 [2020-10-29 06:43:41,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:41,641 INFO L225 Difference]: With dead ends: 12187 [2020-10-29 06:43:41,642 INFO L226 Difference]: Without dead ends: 7187 [2020-10-29 06:43:41,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:43:41,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7187 states. [2020-10-29 06:43:41,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7187 to 7092. [2020-10-29 06:43:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7092 states. [2020-10-29 06:43:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7092 states to 7092 states and 8901 transitions. [2020-10-29 06:43:41,880 INFO L78 Accepts]: Start accepts. Automaton has 7092 states and 8901 transitions. Word has length 281 [2020-10-29 06:43:41,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:41,881 INFO L481 AbstractCegarLoop]: Abstraction has 7092 states and 8901 transitions. [2020-10-29 06:43:41,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:43:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 7092 states and 8901 transitions. [2020-10-29 06:43:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-29 06:43:41,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:41,894 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:43:41,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:43:41,894 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:41,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:41,895 INFO L82 PathProgramCache]: Analyzing trace with hash 839923860, now seen corresponding path program 1 times [2020-10-29 06:43:41,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:41,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894650702] [2020-10-29 06:43:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:42,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:42,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:43,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:43,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 325 [2020-10-29 06:43:43,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:43,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1568 [2020-10-29 06:43:43,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:43,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:43:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 06:43:43,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:43,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:43,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:43,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:43,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:43,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:43,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:43:43,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:43,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:43,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:43,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:43,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:43,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:43,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:43,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:43:43,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:43,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-29 06:43:43,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:43,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:43,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:43:43,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:43,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:43:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:43,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:44,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:44,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 06:43:44,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-29 06:43:44,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:44,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:44,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:43:44,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 231 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:43:44,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894650702] [2020-10-29 06:43:44,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:44,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:44,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702461770] [2020-10-29 06:43:44,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:44,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:44,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:44,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:44,258 INFO L87 Difference]: Start difference. First operand 7092 states and 8901 transitions. Second operand 7 states. [2020-10-29 06:43:48,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:48,896 INFO L93 Difference]: Finished difference Result 17170 states and 21972 transitions. [2020-10-29 06:43:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:43:48,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 311 [2020-10-29 06:43:48,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:48,932 INFO L225 Difference]: With dead ends: 17170 [2020-10-29 06:43:48,932 INFO L226 Difference]: Without dead ends: 10462 [2020-10-29 06:43:48,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:43:48,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10462 states. [2020-10-29 06:43:49,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10462 to 10219. [2020-10-29 06:43:49,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10219 states. [2020-10-29 06:43:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10219 states to 10219 states and 12581 transitions. [2020-10-29 06:43:49,206 INFO L78 Accepts]: Start accepts. Automaton has 10219 states and 12581 transitions. Word has length 311 [2020-10-29 06:43:49,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:49,207 INFO L481 AbstractCegarLoop]: Abstraction has 10219 states and 12581 transitions. [2020-10-29 06:43:49,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10219 states and 12581 transitions. [2020-10-29 06:43:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-29 06:43:49,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:49,224 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:43:49,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:43:49,225 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:49,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:49,225 INFO L82 PathProgramCache]: Analyzing trace with hash 302511059, now seen corresponding path program 1 times [2020-10-29 06:43:49,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:49,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081035426] [2020-10-29 06:43:49,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:49,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:49,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:50,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:51,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:51,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-29 06:43:51,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:43:51,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2324 [2020-10-29 06:43:51,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:51,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:43:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-10-29 06:43:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 06:43:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:51,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:43:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:51,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:51,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:51,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:43:51,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:51,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:43:51,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:51,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:51,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:43:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:51,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:43:51,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:51,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:43:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:51,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:51,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:51,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-29 06:43:51,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:43:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-29 06:43:51,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:51,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:43:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:43:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 06:43:51,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-29 06:43:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:52,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:52,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:52,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:43:52,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 06:43:52,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:43:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 06:43:52,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:43:52,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:43:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:43:52,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:43:52,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:43:52,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:43:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 137 proven. 62 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 06:43:52,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081035426] [2020-10-29 06:43:52,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:43:52,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:43:52,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971690180] [2020-10-29 06:43:52,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:43:52,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:43:52,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:43:52,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:43:52,377 INFO L87 Difference]: Start difference. First operand 10219 states and 12581 transitions. Second operand 7 states. [2020-10-29 06:43:57,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:43:57,420 INFO L93 Difference]: Finished difference Result 21178 states and 26374 transitions. [2020-10-29 06:43:57,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:43:57,421 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 335 [2020-10-29 06:43:57,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:43:57,471 INFO L225 Difference]: With dead ends: 21178 [2020-10-29 06:43:57,471 INFO L226 Difference]: Without dead ends: 11343 [2020-10-29 06:43:57,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:43:57,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11343 states. [2020-10-29 06:43:57,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11343 to 10565. [2020-10-29 06:43:57,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10565 states. [2020-10-29 06:43:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10565 states to 10565 states and 12857 transitions. [2020-10-29 06:43:57,741 INFO L78 Accepts]: Start accepts. Automaton has 10565 states and 12857 transitions. Word has length 335 [2020-10-29 06:43:57,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:43:57,742 INFO L481 AbstractCegarLoop]: Abstraction has 10565 states and 12857 transitions. [2020-10-29 06:43:57,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:43:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 10565 states and 12857 transitions. [2020-10-29 06:43:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-29 06:43:57,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:43:57,757 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:43:57,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 06:43:57,758 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:43:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:43:57,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1786759146, now seen corresponding path program 1 times [2020-10-29 06:43:57,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:43:57,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139544904] [2020-10-29 06:43:57,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:43:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:43:57,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:57,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:58,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:43:59,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:00,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:00,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:02,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:02,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 355 [2020-10-29 06:44:02,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 06:44:02,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-29 06:44:02,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:02,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 06:44:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:44:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-29 06:44:02,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:03,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:03,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:03,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:03,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:03,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:03,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 06:44:03,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:03,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:03,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:03,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:03,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:44:03,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:03,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:03,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:03,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:03,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:03,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:44:03,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:03,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-29 06:44:03,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:03,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:03,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:03,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:03,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:44:03,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:03,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:44:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:03,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:03,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:03,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:44:03,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:03,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 06:44:03,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:03,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:03,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:44:03,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:03,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:44:03,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:03,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-29 06:44:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:03,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:03,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:03,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:03,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 06:44:03,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-29 06:44:03,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:03,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:03,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:44:03,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 337 proven. 69 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 06:44:04,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139544904] [2020-10-29 06:44:04,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:04,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 06:44:04,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205786050] [2020-10-29 06:44:04,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 06:44:04,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:04,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 06:44:04,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 06:44:04,022 INFO L87 Difference]: Start difference. First operand 10565 states and 12857 transitions. Second operand 9 states. [2020-10-29 06:44:04,186 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-29 06:44:04,471 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-29 06:44:05,443 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-29 06:44:06,277 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 06:44:06,671 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-10-29 06:44:07,560 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-10-29 06:44:09,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:09,467 INFO L93 Difference]: Finished difference Result 18382 states and 23042 transitions. [2020-10-29 06:44:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 06:44:09,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 339 [2020-10-29 06:44:09,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:09,504 INFO L225 Difference]: With dead ends: 18382 [2020-10-29 06:44:09,504 INFO L226 Difference]: Without dead ends: 10488 [2020-10-29 06:44:09,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-29 06:44:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10488 states. [2020-10-29 06:44:09,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10488 to 9050. [2020-10-29 06:44:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9050 states. [2020-10-29 06:44:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9050 states to 9050 states and 10691 transitions. [2020-10-29 06:44:09,766 INFO L78 Accepts]: Start accepts. Automaton has 9050 states and 10691 transitions. Word has length 339 [2020-10-29 06:44:09,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:09,766 INFO L481 AbstractCegarLoop]: Abstraction has 9050 states and 10691 transitions. [2020-10-29 06:44:09,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 06:44:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 9050 states and 10691 transitions. [2020-10-29 06:44:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-29 06:44:09,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:09,780 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:09,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 06:44:09,781 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:09,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:09,781 INFO L82 PathProgramCache]: Analyzing trace with hash 106854298, now seen corresponding path program 1 times [2020-10-29 06:44:09,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:09,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000392617] [2020-10-29 06:44:09,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:09,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:10,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:10,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:10,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 354 [2020-10-29 06:44:10,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:10,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 874 [2020-10-29 06:44:10,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:10,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-10-29 06:44:10,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 06:44:10,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:10,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:10,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:10,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:10,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:10,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:10,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:44:10,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:10,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:10,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:10,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:10,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:10,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:10,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:10,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:10,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 06:44:10,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:10,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:10,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:10,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:44:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:11,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:11,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:11,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-29 06:44:11,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:11,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 06:44:11,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:11,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-29 06:44:11,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-29 06:44:11,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000392617] [2020-10-29 06:44:11,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:11,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:44:11,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324321578] [2020-10-29 06:44:11,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:44:11,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:11,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:44:11,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:44:11,215 INFO L87 Difference]: Start difference. First operand 9050 states and 10691 transitions. Second operand 6 states. [2020-10-29 06:44:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:16,008 INFO L93 Difference]: Finished difference Result 18883 states and 22619 transitions. [2020-10-29 06:44:16,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:44:16,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 340 [2020-10-29 06:44:16,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:16,035 INFO L225 Difference]: With dead ends: 18883 [2020-10-29 06:44:16,036 INFO L226 Difference]: Without dead ends: 10027 [2020-10-29 06:44:16,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:44:16,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10027 states. [2020-10-29 06:44:16,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10027 to 9991. [2020-10-29 06:44:16,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9991 states. [2020-10-29 06:44:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9991 states to 9991 states and 11790 transitions. [2020-10-29 06:44:16,249 INFO L78 Accepts]: Start accepts. Automaton has 9991 states and 11790 transitions. Word has length 340 [2020-10-29 06:44:16,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:16,250 INFO L481 AbstractCegarLoop]: Abstraction has 9991 states and 11790 transitions. [2020-10-29 06:44:16,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:44:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 9991 states and 11790 transitions. [2020-10-29 06:44:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2020-10-29 06:44:16,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:16,272 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 06:44:16,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 06:44:16,273 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:16,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:16,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1983968742, now seen corresponding path program 1 times [2020-10-29 06:44:16,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:16,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [508463858] [2020-10-29 06:44:16,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:16,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:16,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:17,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:17,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 423 [2020-10-29 06:44:17,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:17,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-10-29 06:44:17,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:17,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:17,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:44:17,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-29 06:44:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 06:44:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:17,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:17,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:17,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:17,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:17,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:44:17,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:17,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:17,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:17,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:17,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:17,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:44:17,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:17,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 06:44:17,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:17,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:17,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:17,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:44:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:17,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:17,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:17,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:17,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:17,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-29 06:44:17,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:17,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 06:44:17,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:17,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-29 06:44:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:17,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:17,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:17,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:17,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:44:17,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:17,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-29 06:44:17,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:17,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:44:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:44:17,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:18,123 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 300 proven. 63 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-10-29 06:44:18,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [508463858] [2020-10-29 06:44:18,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:18,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:44:18,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464063332] [2020-10-29 06:44:18,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:44:18,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:18,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:44:18,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:18,126 INFO L87 Difference]: Start difference. First operand 9991 states and 11790 transitions. Second operand 7 states. [2020-10-29 06:44:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:21,915 INFO L93 Difference]: Finished difference Result 19043 states and 22854 transitions. [2020-10-29 06:44:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:44:21,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 407 [2020-10-29 06:44:21,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:21,945 INFO L225 Difference]: With dead ends: 19043 [2020-10-29 06:44:21,945 INFO L226 Difference]: Without dead ends: 11560 [2020-10-29 06:44:21,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:44:21,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11560 states. [2020-10-29 06:44:22,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11560 to 11527. [2020-10-29 06:44:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11527 states. [2020-10-29 06:44:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11527 states to 11527 states and 13546 transitions. [2020-10-29 06:44:22,176 INFO L78 Accepts]: Start accepts. Automaton has 11527 states and 13546 transitions. Word has length 407 [2020-10-29 06:44:22,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:22,177 INFO L481 AbstractCegarLoop]: Abstraction has 11527 states and 13546 transitions. [2020-10-29 06:44:22,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:44:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 11527 states and 13546 transitions. [2020-10-29 06:44:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2020-10-29 06:44:22,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:22,197 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 06:44:22,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 06:44:22,197 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:22,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:22,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1162101585, now seen corresponding path program 1 times [2020-10-29 06:44:22,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:22,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6730179] [2020-10-29 06:44:22,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:22,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:22,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:22,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:23,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:23,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:23,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:24,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:24,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 447 [2020-10-29 06:44:24,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 06:44:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2318 [2020-10-29 06:44:24,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:24,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:44:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 370 [2020-10-29 06:44:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:24,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:24,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:24,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:24,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:24,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:24,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 06:44:24,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:24,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:24,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:24,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:24,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:44:24,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:24,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:24,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:24,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:25,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:25,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:44:25,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-29 06:44:25,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:25,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:25,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:44:25,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:25,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:44:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:25,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:25,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:25,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:25,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:44:25,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 06:44:25,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:25,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-29 06:44:25,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-29 06:44:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:25,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:25,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:25,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:25,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-29 06:44:25,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:25,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-29 06:44:25,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:25,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:25,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:25,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-29 06:44:25,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 06:44:25,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 188 proven. 4 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-10-29 06:44:25,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6730179] [2020-10-29 06:44:25,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:25,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-29 06:44:25,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630559265] [2020-10-29 06:44:25,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 06:44:25,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:25,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 06:44:25,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:44:25,747 INFO L87 Difference]: Start difference. First operand 11527 states and 13546 transitions. Second operand 6 states. [2020-10-29 06:44:27,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:27,852 INFO L93 Difference]: Finished difference Result 19983 states and 23585 transitions. [2020-10-29 06:44:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:44:27,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 431 [2020-10-29 06:44:27,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:27,876 INFO L225 Difference]: With dead ends: 19983 [2020-10-29 06:44:27,876 INFO L226 Difference]: Without dead ends: 11156 [2020-10-29 06:44:27,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:44:27,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11156 states. [2020-10-29 06:44:28,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11156 to 11129. [2020-10-29 06:44:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11129 states. [2020-10-29 06:44:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11129 states to 11129 states and 13037 transitions. [2020-10-29 06:44:28,105 INFO L78 Accepts]: Start accepts. Automaton has 11129 states and 13037 transitions. Word has length 431 [2020-10-29 06:44:28,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:28,106 INFO L481 AbstractCegarLoop]: Abstraction has 11129 states and 13037 transitions. [2020-10-29 06:44:28,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 06:44:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand 11129 states and 13037 transitions. [2020-10-29 06:44:28,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2020-10-29 06:44:28,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:44:28,134 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:44:28,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 06:44:28,134 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:44:28,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:44:28,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1843678156, now seen corresponding path program 1 times [2020-10-29 06:44:28,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:44:28,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1280123117] [2020-10-29 06:44:28,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:44:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:28,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:29,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:31,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:32,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:32,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 640 [2020-10-29 06:44:32,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:44:32,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4658 [2020-10-29 06:44:32,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:32,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 06:44:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 338 [2020-10-29 06:44:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 298 [2020-10-29 06:44:32,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:33,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:44:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:33,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:33,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:44:33,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:33,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 06:44:33,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:33,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:33,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:33,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:44:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:33,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:33,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-29 06:44:33,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:33,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 06:44:33,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:33,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:33,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:44:33,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:33,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:44:33,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:33,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-29 06:44:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:33,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:33,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-29 06:44:33,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:33,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 06:44:33,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:33,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 06:44:33,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:33,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-29 06:44:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:33,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:33,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 06:44:33,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:44:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-29 06:44:33,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:33,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:44:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:44:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 06:44:33,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:33,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-29 06:44:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:44:33,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:44:33,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:44:33,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:44:33,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:44:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-29 06:44:33,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:44:33,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:44:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:44:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:44:33,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 06:44:33,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:44:34,047 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 460 proven. 66 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2020-10-29 06:44:34,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1280123117] [2020-10-29 06:44:34,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:44:34,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 06:44:34,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27003978] [2020-10-29 06:44:34,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 06:44:34,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:44:34,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 06:44:34,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 06:44:34,051 INFO L87 Difference]: Start difference. First operand 11129 states and 13037 transitions. Second operand 9 states. [2020-10-29 06:44:41,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:44:41,311 INFO L93 Difference]: Finished difference Result 28014 states and 32996 transitions. [2020-10-29 06:44:41,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 06:44:41,312 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 622 [2020-10-29 06:44:41,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:44:41,314 INFO L225 Difference]: With dead ends: 28014 [2020-10-29 06:44:41,314 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:44:41,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-29 06:44:41,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:44:41,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:44:41,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:44:41,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:44:41,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 622 [2020-10-29 06:44:41,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:44:41,341 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:44:41,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 06:44:41,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:44:41,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:44:41,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 06:44:41,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:44:44,035 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 462 DAG size of output: 357 [2020-10-29 06:44:44,891 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 357 [2020-10-29 06:44:45,347 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 30 [2020-10-29 06:44:49,436 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 439 DAG size of output: 75 [2020-10-29 06:44:51,632 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 318 DAG size of output: 60 [2020-10-29 06:44:54,053 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 318 DAG size of output: 60 [2020-10-29 06:44:55,608 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 250 DAG size of output: 62 [2020-10-29 06:44:55,613 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:44:55,613 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:44:55,613 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:44:55,613 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:44:55,614 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:44:55,614 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-29 06:44:55,614 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:44:55,615 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,615 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,615 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,615 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,615 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:44:55,615 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-29 06:44:55,616 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-29 06:44:55,617 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,618 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,618 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,618 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,618 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,618 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,618 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,618 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-29 06:44:55,619 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-29 06:44:55,620 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,621 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:44:55,622 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,623 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,624 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-29 06:44:55,624 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-29 06:44:55,624 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-29 06:44:55,624 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:44:55,624 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-29 06:44:55,624 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:44:55,624 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-29 06:44:55,624 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,625 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse10 (= ~a25~0 |old(~a25~0)|)) (.cse11 (= ~a23~0 |old(~a23~0)|)) (.cse12 (= ~a29~0 |old(~a29~0)|))) (let ((.cse6 (not (<= 0 (+ |old(~a23~0)| 599913)))) (.cse3 (not (<= (+ |old(~a29~0)| 28445) 0))) (.cse8 (not (<= 247 |old(~a29~0)|))) (.cse7 (not (= 9 |old(~a25~0)|))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse2 (and .cse10 .cse11 .cse12 (= ~a4~0 1))) (.cse1 (not (<= ~a8~0 15))) (.cse9 (not (= 12 |old(~a25~0)|))) (.cse4 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0)))) (.cse5 (and .cse10 .cse11 .cse12 (= ~a4~0 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 0 (+ |old(~a23~0)| 41)))) (or .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse7) (or .cse6 (not (<= |old(~a29~0)| 274)) .cse1 .cse8 .cse5) (or .cse0 .cse1 .cse2 (not (= 10 |old(~a25~0)|))) (or .cse0 .cse6 .cse2 .cse1 .cse9) (or .cse0 .cse2 .cse3 .cse7) (or .cse1 .cse8 .cse5 .cse7) (or .cse0 (not (<= 13 |old(~a25~0)|)) .cse2 .cse1) (or .cse1 .cse9 .cse4 .cse5)))) [2020-10-29 06:44:55,625 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,625 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:44:55,625 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-29 06:44:55,625 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,625 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,625 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,625 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,625 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,625 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L270 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (let ((.cse1 (not (= 12 |old(~a25~0)|))) (.cse6 (not (<= 0 (+ |old(~a23~0)| 599913)))) (.cse4 (not (<= (+ |old(~a29~0)| 28445) 0))) (.cse2 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0)))) (.cse7 (not (<= 247 |old(~a29~0)|))) (.cse5 (not (= 9 |old(~a25~0)|))) (.cse3 (not (= |old(~a4~0)| 1))) (.cse0 (not (<= ~a8~0 15)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 0 (+ |old(~a23~0)| 41)))) (or .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1) (or .cse6 .cse0 .cse2) (or .cse6 (not (<= |old(~a29~0)| 274)) .cse0 .cse7) (or .cse3 .cse0 (not (= 10 |old(~a25~0)|))) (or .cse3 .cse0 .cse5) (or .cse0 .cse4 .cse2) (or .cse0 .cse7 .cse5) (or .cse3 (not (<= 13 |old(~a25~0)|)) .cse0))) [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L197-1(line 197) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,626 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,627 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-29 06:44:55,628 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,629 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,630 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,631 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-29 06:44:55,632 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,633 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,634 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,635 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,636 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,637 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-29 06:44:55,638 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-29 06:44:55,638 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-29 06:44:55,638 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-29 06:44:55,638 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:44:55,638 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (= ~a29~0 130) (<= ~a8~0 15) (= ~a4~0 1) (= ~a23~0 312)) [2020-10-29 06:44:55,638 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:44:55,638 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:44:55,638 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (not (<= ~a8~0 15)) (not (= 130 |old(~a29~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 130) (= ~a4~0 1) (= ~a23~0 312)) (not (= 10 |old(~a25~0)|))) [2020-10-29 06:44:55,638 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:44:55,639 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse2 (or (<= ~a4~0 0) (< 1 ~a4~0))) (.cse1 (<= 247 ~a29~0)) (.cse5 (= ~a25~0 9)) (.cse0 (<= 0 (+ ~a23~0 599913))) (.cse3 (= ~a25~0 12)) (.cse4 (= ~a4~0 1))) (or (<= 0 (+ ~a23~0 41)) (and .cse0 (<= ~a29~0 274) .cse1) (and .cse0 .cse2) (not (= |old(~a4~0)| 1)) (and .cse3 .cse2) (and (<= 13 ~a25~0) .cse4) (not (= 312 |old(~a23~0)|)) (and (<= (+ ~a29~0 28445) 0) .cse2) (and .cse5 .cse1) (not (<= ~a8~0 15)) (not (= 130 |old(~a29~0)|)) (not (= 10 |old(~a25~0)|)) (and .cse5 .cse4) (and .cse0 .cse3) (and (= ~a25~0 10) .cse4))) [2020-10-29 06:44:55,639 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-29 06:44:55,639 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-29 06:44:55,639 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse2 (or (<= ~a4~0 0) (< 1 ~a4~0))) (.cse1 (<= 247 ~a29~0)) (.cse5 (= ~a25~0 9)) (.cse0 (<= 0 (+ ~a23~0 599913))) (.cse3 (= ~a25~0 12)) (.cse4 (= ~a4~0 1))) (or (<= 0 (+ ~a23~0 41)) (and .cse0 (<= ~a29~0 274) .cse1) (and .cse0 .cse2) (not (= |old(~a4~0)| 1)) (and .cse3 .cse2) (and (<= 13 ~a25~0) .cse4) (not (= 312 |old(~a23~0)|)) (and (<= (+ ~a29~0 28445) 0) .cse2) (and .cse5 .cse1) (not (<= ~a8~0 15)) (not (= 130 |old(~a29~0)|)) (not (= 10 |old(~a25~0)|)) (and .cse5 .cse4) (and .cse0 .cse3) (and (= ~a25~0 10) .cse4))) [2020-10-29 06:44:55,639 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-29 06:44:55,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:44:55 BoogieIcfgContainer [2020-10-29 06:44:55,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:44:55,683 INFO L168 Benchmark]: Toolchain (without parser) took 144754.69 ms. Allocated memory was 160.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 131.8 MB in the beginning and 1.1 GB in the end (delta: -981.9 MB). Peak memory consumption was 852.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:44:55,683 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 160.4 MB. Free memory is still 134.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:44:55,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.91 ms. Allocated memory is still 160.4 MB. Free memory was 131.2 MB in the beginning and 127.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:44:55,686 INFO L168 Benchmark]: Boogie Preprocessor took 197.97 ms. Allocated memory is still 160.4 MB. Free memory was 127.9 MB in the beginning and 120.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:44:55,687 INFO L168 Benchmark]: RCFGBuilder took 2301.30 ms. Allocated memory was 160.4 MB in the beginning and 212.9 MB in the end (delta: 52.4 MB). Free memory was 120.6 MB in the beginning and 179.0 MB in the end (delta: -58.4 MB). Peak memory consumption was 90.0 MB. Max. memory is 8.0 GB. [2020-10-29 06:44:55,688 INFO L168 Benchmark]: TraceAbstraction took 141251.11 ms. Allocated memory was 212.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 179.0 MB in the beginning and 1.1 GB in the end (delta: -934.8 MB). Peak memory consumption was 846.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:44:55,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 160.4 MB. Free memory is still 134.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 987.91 ms. Allocated memory is still 160.4 MB. Free memory was 131.2 MB in the beginning and 127.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 197.97 ms. Allocated memory is still 160.4 MB. Free memory was 127.9 MB in the beginning and 120.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2301.30 ms. Allocated memory was 160.4 MB in the beginning and 212.9 MB in the end (delta: 52.4 MB). Free memory was 120.6 MB in the beginning and 179.0 MB in the end (delta: -58.4 MB). Peak memory consumption was 90.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 141251.11 ms. Allocated memory was 212.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 179.0 MB in the beginning and 1.1 GB in the end (delta: -934.8 MB). Peak memory consumption was 846.7 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: 1036]: Loop Invariant Derived loop invariant: (((((((((((((0 <= a23 + 41 || ((0 <= a23 + 599913 && a29 <= 274) && 247 <= a29)) || (0 <= a23 + 599913 && (a4 <= 0 || 1 < a4))) || !(\old(a4) == 1)) || (a25 == 12 && (a4 <= 0 || 1 < a4))) || (13 <= a25 && a4 == 1)) || !(312 == \old(a23))) || (a29 + 28445 <= 0 && (a4 <= 0 || 1 < a4))) || (a25 == 9 && 247 <= a29)) || !(a8 <= 15)) || !(130 == \old(a29))) || !(10 == \old(a25))) || (a25 == 9 && a4 == 1)) || (0 <= a23 + 599913 && a25 == 12)) || (a25 == 10 && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 126.8s, OverallIterations: 17, TraceHistogramMax: 5, AutomataDifference: 67.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 850 SDtfs, 11566 SDslu, 1316 SDs, 0 SdLazy, 25087 SolverSat, 3877 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 159 SyntacticMatches, 3 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11527occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 3456 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1013 PreInvPairs, 1225 NumberOfFragments, 836 HoareAnnotationTreeSize, 1013 FomulaSimplifications, 113071 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 41621 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 53.3s InterpolantComputationTime, 4675 NumberOfCodeBlocks, 4675 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4658 ConstructedInterpolants, 0 QuantifiedInterpolants, 4164869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 3780/4180 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...