/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:04:59,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:04:59,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:04:59,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:04:59,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:04:59,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:04:59,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:04:59,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:04:59,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:04:59,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:04:59,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:04:59,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:04:59,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:04:59,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:04:59,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:04:59,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:04:59,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:04:59,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:04:59,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:04:59,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:04:59,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:04:59,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:04:59,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:04:59,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:04:59,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:04:59,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:04:59,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:04:59,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:04:59,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:04:59,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:04:59,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:04:59,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:04:59,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:04:59,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:04:59,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:04:59,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:04:59,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:04:59,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:04:59,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:04:59,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:04:59,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:04:59,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 12:04:59,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:04:59,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:04:59,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:04:59,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:04:59,374 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:04:59,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:04:59,375 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:04:59,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:04:59,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:04:59,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:04:59,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:04:59,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:04:59,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:04:59,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:04:59,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:04:59,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:04:59,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:04:59,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:04:59,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:04:59,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:04:59,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:04:59,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:04:59,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:04:59,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:04:59,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:04:59,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:04:59,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:04:59,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:04:59,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:04:59,381 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:04:59,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:04:59,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:04:59,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:04:59,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:04:59,864 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:04:59,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label21.c [2020-10-28 12:04:59,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80d0b6df0/4200e782e784493eb7398c80abbd4f85/FLAG8b01eb3e7 [2020-10-28 12:05:00,677 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:05:00,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label21.c [2020-10-28 12:05:00,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80d0b6df0/4200e782e784493eb7398c80abbd4f85/FLAG8b01eb3e7 [2020-10-28 12:05:00,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/80d0b6df0/4200e782e784493eb7398c80abbd4f85 [2020-10-28 12:05:00,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:05:00,840 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:05:00,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:05:00,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:05:00,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:05:00,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:05:00" (1/1) ... [2020-10-28 12:05:00,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e463c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:00, skipping insertion in model container [2020-10-28 12:05:00,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:05:00" (1/1) ... [2020-10-28 12:05:00,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:05:00,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:05:01,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:05:01,509 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:05:01,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:05:01,910 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:05:01,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01 WrapperNode [2020-10-28 12:05:01,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:05:01,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:05:01,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:05:01,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:05:01,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01" (1/1) ... [2020-10-28 12:05:01,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01" (1/1) ... [2020-10-28 12:05:01,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01" (1/1) ... [2020-10-28 12:05:01,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01" (1/1) ... [2020-10-28 12:05:02,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01" (1/1) ... [2020-10-28 12:05:02,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01" (1/1) ... [2020-10-28 12:05:02,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01" (1/1) ... [2020-10-28 12:05:02,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:05:02,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:05:02,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:05:02,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:05:02,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:05:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:05:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:05:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:05:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:05:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:05:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:05:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:05:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:05:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:05:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:05:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:05:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:05:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:05:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:05:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:05:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:05:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:05:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:05:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:05:04,274 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:05:04,275 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:05:04,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:05:04 BoogieIcfgContainer [2020-10-28 12:05:04,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:05:04,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:05:04,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:05:04,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:05:04,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:05:00" (1/3) ... [2020-10-28 12:05:04,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71731287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:05:04, skipping insertion in model container [2020-10-28 12:05:04,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:05:01" (2/3) ... [2020-10-28 12:05:04,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71731287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:05:04, skipping insertion in model container [2020-10-28 12:05:04,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:05:04" (3/3) ... [2020-10-28 12:05:04,286 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label21.c [2020-10-28 12:05:04,298 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:05:04,304 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:05:04,318 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:05:04,348 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:05:04,348 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:05:04,348 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:05:04,349 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:05:04,349 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:05:04,349 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:05:04,349 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:05:04,349 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:05:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-28 12:05:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-28 12:05:04,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:04,382 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] [2020-10-28 12:05:04,383 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:04,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:04,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2022965314, now seen corresponding path program 1 times [2020-10-28 12:05:04,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:04,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384486359] [2020-10-28 12:05:04,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:04,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:05,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:05,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 12:05:05,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:05,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 497 [2020-10-28 12:05:05,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:05,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:05:05,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:05:05,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 12:05:05,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:05:05,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:05,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:05,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:05,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:05,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:05,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 12:05:05,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:05,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:05:05,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:05:05,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384486359] [2020-10-28 12:05:05,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:05:05,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:05:05,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967949528] [2020-10-28 12:05:05,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:05:05,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:05,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:05:05,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:05:05,363 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-28 12:05:05,538 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-28 12:05:08,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:08,316 INFO L93 Difference]: Finished difference Result 793 states and 1388 transitions. [2020-10-28 12:05:08,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:05:08,319 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-28 12:05:08,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:08,349 INFO L225 Difference]: With dead ends: 793 [2020-10-28 12:05:08,350 INFO L226 Difference]: Without dead ends: 432 [2020-10-28 12:05:08,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:05:08,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-28 12:05:08,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2020-10-28 12:05:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-28 12:05:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 613 transitions. [2020-10-28 12:05:08,480 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 613 transitions. Word has length 31 [2020-10-28 12:05:08,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:08,480 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 613 transitions. [2020-10-28 12:05:08,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:05:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 613 transitions. [2020-10-28 12:05:08,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-28 12:05:08,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:08,486 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:05:08,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:05:08,486 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:08,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:08,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1246788317, now seen corresponding path program 1 times [2020-10-28 12:05:08,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:08,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982728684] [2020-10-28 12:05:08,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:08,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:08,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:09,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:09,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:09,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-28 12:05:09,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:05:09,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1452 [2020-10-28 12:05:09,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:09,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:05:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:05:09,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:05:09,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:10,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:10,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:10,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:10,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:10,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:10,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:05:10,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:10,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:10,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:10,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:10,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:05:10,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:10,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:10,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:10,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:10,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 12:05:10,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:10,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-28 12:05:10,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:10,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:05:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 12:05:10,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:05:10,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982728684] [2020-10-28 12:05:10,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:05:10,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:05:10,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365472245] [2020-10-28 12:05:10,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:05:10,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:10,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:05:10,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:05:10,511 INFO L87 Difference]: Start difference. First operand 426 states and 613 transitions. Second operand 7 states. [2020-10-28 12:05:13,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:13,895 INFO L93 Difference]: Finished difference Result 1277 states and 1862 transitions. [2020-10-28 12:05:13,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:05:13,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-10-28 12:05:13,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:13,905 INFO L225 Difference]: With dead ends: 1277 [2020-10-28 12:05:13,905 INFO L226 Difference]: Without dead ends: 857 [2020-10-28 12:05:13,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:05:13,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-10-28 12:05:13,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 821. [2020-10-28 12:05:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-10-28 12:05:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1098 transitions. [2020-10-28 12:05:13,960 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1098 transitions. Word has length 103 [2020-10-28 12:05:13,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:13,960 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1098 transitions. [2020-10-28 12:05:13,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:05:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1098 transitions. [2020-10-28 12:05:13,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 12:05:13,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:13,985 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:05:13,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:05:13,985 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:13,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:13,989 INFO L82 PathProgramCache]: Analyzing trace with hash 242240563, now seen corresponding path program 1 times [2020-10-28 12:05:13,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:13,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694967076] [2020-10-28 12:05:13,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:14,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:14,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:14,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:15,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:15,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-28 12:05:15,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:05:15,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1429 [2020-10-28 12:05:15,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:15,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:15,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:05:15,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:05:15,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 12:05:15,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:15,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:15,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:15,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:15,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:15,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:15,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 12:05:15,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:15,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:15,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:15,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:15,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:05:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:15,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:15,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:15,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:15,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-28 12:05:15,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:15,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-28 12:05:15,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:15,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:15,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:15,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:05:15,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 12:05:15,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:05:15,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694967076] [2020-10-28 12:05:15,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:05:15,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:05:15,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454369170] [2020-10-28 12:05:15,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:05:15,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:15,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:05:15,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:05:15,902 INFO L87 Difference]: Start difference. First operand 821 states and 1098 transitions. Second operand 7 states. [2020-10-28 12:05:19,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:19,505 INFO L93 Difference]: Finished difference Result 2471 states and 3337 transitions. [2020-10-28 12:05:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:05:19,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2020-10-28 12:05:19,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:19,523 INFO L225 Difference]: With dead ends: 2471 [2020-10-28 12:05:19,523 INFO L226 Difference]: Without dead ends: 1656 [2020-10-28 12:05:19,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:05:19,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-10-28 12:05:19,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1617. [2020-10-28 12:05:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1617 states. [2020-10-28 12:05:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2023 transitions. [2020-10-28 12:05:19,616 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2023 transitions. Word has length 111 [2020-10-28 12:05:19,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:19,617 INFO L481 AbstractCegarLoop]: Abstraction has 1617 states and 2023 transitions. [2020-10-28 12:05:19,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:05:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2023 transitions. [2020-10-28 12:05:19,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-28 12:05:19,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:19,631 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:05:19,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:05:19,632 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:19,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:19,634 INFO L82 PathProgramCache]: Analyzing trace with hash -878578518, now seen corresponding path program 1 times [2020-10-28 12:05:19,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:19,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1334846970] [2020-10-28 12:05:19,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:19,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:20,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:20,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-28 12:05:20,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:20,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-28 12:05:20,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:20,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 12:05:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 12:05:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:20,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:20,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:20,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:20,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:20,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:20,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:05:20,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:20,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:20,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:20,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:20,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:20,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:20,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:20,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:20,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:20,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:05:20,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-28 12:05:20,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:20,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 12:05:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:05:20,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1334846970] [2020-10-28 12:05:20,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:20,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:05:20,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826034117] [2020-10-28 12:05:20,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:05:20,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:20,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:05:20,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:05:20,436 INFO L87 Difference]: Start difference. First operand 1617 states and 2023 transitions. Second operand 5 states. [2020-10-28 12:05:23,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:23,057 INFO L93 Difference]: Finished difference Result 3452 states and 4530 transitions. [2020-10-28 12:05:23,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:05:23,059 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-28 12:05:23,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:23,078 INFO L225 Difference]: With dead ends: 3452 [2020-10-28 12:05:23,078 INFO L226 Difference]: Without dead ends: 2219 [2020-10-28 12:05:23,084 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 [2020-10-28 12:05:23,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2020-10-28 12:05:23,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2199. [2020-10-28 12:05:23,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2199 states. [2020-10-28 12:05:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 2199 states and 2753 transitions. [2020-10-28 12:05:23,198 INFO L78 Accepts]: Start accepts. Automaton has 2199 states and 2753 transitions. Word has length 162 [2020-10-28 12:05:23,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:23,200 INFO L481 AbstractCegarLoop]: Abstraction has 2199 states and 2753 transitions. [2020-10-28 12:05:23,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:05:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2753 transitions. [2020-10-28 12:05:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-28 12:05:23,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:23,206 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:05:23,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:05:23,207 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:23,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:23,208 INFO L82 PathProgramCache]: Analyzing trace with hash 73337590, now seen corresponding path program 1 times [2020-10-28 12:05:23,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:23,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313806497] [2020-10-28 12:05:23,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:23,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:23,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:26,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:26,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-28 12:05:26,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:05:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3069 [2020-10-28 12:05:26,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:26,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 12:05:26,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:05:26,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:26,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:26,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:26,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:26,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:26,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:26,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 12:05:26,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:26,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:26,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:26,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:26,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:26,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:26,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:26,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:26,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:26,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:05:26,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:26,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-28 12:05:26,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:26,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:26,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:26,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:26,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:05:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:26,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:05:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:26,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:26,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:26,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:05:26,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-28 12:05:26,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:26,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:26,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:26,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:05:26,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:05:26,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:05:27,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313806497] [2020-10-28 12:05:27,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:27,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:05:27,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978294039] [2020-10-28 12:05:27,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:05:27,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:27,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:05:27,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:05:27,061 INFO L87 Difference]: Start difference. First operand 2199 states and 2753 transitions. Second operand 7 states. [2020-10-28 12:05:30,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:30,459 INFO L93 Difference]: Finished difference Result 4440 states and 5655 transitions. [2020-10-28 12:05:30,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:05:30,461 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 220 [2020-10-28 12:05:30,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:30,478 INFO L225 Difference]: With dead ends: 4440 [2020-10-28 12:05:30,478 INFO L226 Difference]: Without dead ends: 2625 [2020-10-28 12:05:30,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:05:30,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2020-10-28 12:05:30,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2599. [2020-10-28 12:05:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2599 states. [2020-10-28 12:05:30,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3229 transitions. [2020-10-28 12:05:30,577 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3229 transitions. Word has length 220 [2020-10-28 12:05:30,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:30,577 INFO L481 AbstractCegarLoop]: Abstraction has 2599 states and 3229 transitions. [2020-10-28 12:05:30,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:05:30,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3229 transitions. [2020-10-28 12:05:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-28 12:05:30,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:30,582 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:05:30,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:05:30,583 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:30,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:30,583 INFO L82 PathProgramCache]: Analyzing trace with hash -655742814, now seen corresponding path program 1 times [2020-10-28 12:05:30,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:30,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938082738] [2020-10-28 12:05:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:30,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:30,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:31,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:33,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:33,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-28 12:05:33,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:05:33,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2786 [2020-10-28 12:05:33,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:33,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-28 12:05:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:05:33,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:33,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:33,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:33,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:33,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:33,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:33,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 12:05:33,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:33,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:33,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:33,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:33,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:33,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:05:33,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:33,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-28 12:05:33,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:33,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 12:05:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:05:33,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:05:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:33,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:34,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:34,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:05:34,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:34,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-28 12:05:34,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:34,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:05:34,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:05:34,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:05:34,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938082738] [2020-10-28 12:05:34,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:34,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:05:34,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898999321] [2020-10-28 12:05:34,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:05:34,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:34,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:05:34,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:05:34,288 INFO L87 Difference]: Start difference. First operand 2599 states and 3229 transitions. Second operand 7 states. [2020-10-28 12:05:37,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:37,525 INFO L93 Difference]: Finished difference Result 4471 states and 5674 transitions. [2020-10-28 12:05:37,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:05:37,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-28 12:05:37,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:37,544 INFO L225 Difference]: With dead ends: 4471 [2020-10-28 12:05:37,544 INFO L226 Difference]: Without dead ends: 3038 [2020-10-28 12:05:37,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:05:37,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2020-10-28 12:05:37,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 2997. [2020-10-28 12:05:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2997 states. [2020-10-28 12:05:37,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 3722 transitions. [2020-10-28 12:05:37,637 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 3722 transitions. Word has length 230 [2020-10-28 12:05:37,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:37,638 INFO L481 AbstractCegarLoop]: Abstraction has 2997 states and 3722 transitions. [2020-10-28 12:05:37,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:05:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 3722 transitions. [2020-10-28 12:05:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-28 12:05:37,642 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:37,643 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:05:37,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:05:37,643 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:37,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:37,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1615680070, now seen corresponding path program 1 times [2020-10-28 12:05:37,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:37,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910562427] [2020-10-28 12:05:37,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:37,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:38,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:38,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-28 12:05:38,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:05:38,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-28 12:05:38,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:38,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:38,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:38,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-28 12:05:38,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 12:05:38,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:38,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:38,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:38,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:38,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:38,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:38,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:05:38,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:38,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:38,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:38,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:38,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:38,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:38,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:38,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:38,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:38,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:05:38,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:38,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 12:05:38,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:38,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:38,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:38,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:38,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:05:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:38,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:38,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:38,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 12:05:38,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:38,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-28 12:05:38,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:38,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:38,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:05:38,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:38,856 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-28 12:05:38,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910562427] [2020-10-28 12:05:38,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:38,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:05:38,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867715392] [2020-10-28 12:05:38,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:05:38,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:38,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:05:38,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:05:38,861 INFO L87 Difference]: Start difference. First operand 2997 states and 3722 transitions. Second operand 5 states. [2020-10-28 12:05:41,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:41,818 INFO L93 Difference]: Finished difference Result 6413 states and 8200 transitions. [2020-10-28 12:05:41,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:05:41,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2020-10-28 12:05:41,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:41,843 INFO L225 Difference]: With dead ends: 6413 [2020-10-28 12:05:41,843 INFO L226 Difference]: Without dead ends: 3800 [2020-10-28 12:05:41,851 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 [2020-10-28 12:05:41,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3800 states. [2020-10-28 12:05:41,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3800 to 3777. [2020-10-28 12:05:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3777 states. [2020-10-28 12:05:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 4608 transitions. [2020-10-28 12:05:41,961 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 4608 transitions. Word has length 231 [2020-10-28 12:05:41,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:41,962 INFO L481 AbstractCegarLoop]: Abstraction has 3777 states and 4608 transitions. [2020-10-28 12:05:41,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:05:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4608 transitions. [2020-10-28 12:05:41,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-28 12:05:41,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:41,967 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:05:41,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:05:41,967 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1119138387, now seen corresponding path program 1 times [2020-10-28 12:05:41,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:41,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783420131] [2020-10-28 12:05:41,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:42,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:42,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:42,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:43,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:43,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-28 12:05:43,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:05:43,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1546 [2020-10-28 12:05:43,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:43,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-28 12:05:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 12:05:43,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:43,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:43,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:43,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:43,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:43,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 12:05:43,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:43,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:43,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:43,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:43,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:43,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:05:43,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-28 12:05:43,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:43,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-28 12:05:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:43,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 12:05:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:43,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:44,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:44,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 12:05:44,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:44,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 12:05:44,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:44,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:44,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:05:44,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:05:44,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-28 12:05:44,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:05:44,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783420131] [2020-10-28 12:05:44,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:44,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:05:44,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210959229] [2020-10-28 12:05:44,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:05:44,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:44,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:05:44,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:05:44,169 INFO L87 Difference]: Start difference. First operand 3777 states and 4608 transitions. Second operand 7 states. [2020-10-28 12:05:48,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:48,595 INFO L93 Difference]: Finished difference Result 8403 states and 10629 transitions. [2020-10-28 12:05:48,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:05:48,596 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-10-28 12:05:48,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:48,618 INFO L225 Difference]: With dead ends: 8403 [2020-10-28 12:05:48,618 INFO L226 Difference]: Without dead ends: 5010 [2020-10-28 12:05:48,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:05:48,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2020-10-28 12:05:48,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 4984. [2020-10-28 12:05:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4984 states. [2020-10-28 12:05:48,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4984 states and 6063 transitions. [2020-10-28 12:05:48,761 INFO L78 Accepts]: Start accepts. Automaton has 4984 states and 6063 transitions. Word has length 231 [2020-10-28 12:05:48,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:48,762 INFO L481 AbstractCegarLoop]: Abstraction has 4984 states and 6063 transitions. [2020-10-28 12:05:48,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:05:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 6063 transitions. [2020-10-28 12:05:48,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-28 12:05:48,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:48,767 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:05:48,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:05:48,767 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:48,768 INFO L82 PathProgramCache]: Analyzing trace with hash -345778249, now seen corresponding path program 1 times [2020-10-28 12:05:48,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:48,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654259975] [2020-10-28 12:05:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:48,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:48,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:49,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:50,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:51,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:51,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:53,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:53,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-28 12:05:53,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 12:05:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 12:05:53,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:53,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-28 12:05:53,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:05:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:53,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:05:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:53,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:53,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:53,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:05:53,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:53,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:05:53,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:53,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:53,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:53,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:05:53,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:53,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:53,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:05:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:54,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:54,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:54,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:05:54,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:54,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-28 12:05:54,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:54,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:54,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:05:54,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-28 12:05:54,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:05:54,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:54,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 12:05:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:54,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:54,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:05:54,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:05:54,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:05:54,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 12:05:54,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:05:54,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:05:54,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:05:54,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 12:05:54,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:05:54,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:05:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-28 12:05:54,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654259975] [2020-10-28 12:05:54,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:05:54,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:05:54,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909610928] [2020-10-28 12:05:54,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:05:54,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:05:54,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:05:54,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:05:54,316 INFO L87 Difference]: Start difference. First operand 4984 states and 6063 transitions. Second operand 5 states. [2020-10-28 12:05:56,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:05:56,745 INFO L93 Difference]: Finished difference Result 11500 states and 14441 transitions. [2020-10-28 12:05:56,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:05:56,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2020-10-28 12:05:56,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:05:56,777 INFO L225 Difference]: With dead ends: 11500 [2020-10-28 12:05:56,777 INFO L226 Difference]: Without dead ends: 6902 [2020-10-28 12:05:56,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:05:56,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6902 states. [2020-10-28 12:05:56,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6902 to 6505. [2020-10-28 12:05:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6505 states. [2020-10-28 12:05:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6505 states to 6505 states and 7835 transitions. [2020-10-28 12:05:56,958 INFO L78 Accepts]: Start accepts. Automaton has 6505 states and 7835 transitions. Word has length 235 [2020-10-28 12:05:56,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:05:56,959 INFO L481 AbstractCegarLoop]: Abstraction has 6505 states and 7835 transitions. [2020-10-28 12:05:56,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:05:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand 6505 states and 7835 transitions. [2020-10-28 12:05:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-28 12:05:56,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:05:56,966 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:05:56,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:05:56,966 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:05:56,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:05:56,967 INFO L82 PathProgramCache]: Analyzing trace with hash 161948098, now seen corresponding path program 1 times [2020-10-28 12:05:56,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:05:56,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876940836] [2020-10-28 12:05:56,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:05:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:05:57,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:57,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:05:57,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:00,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:00,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 12:06:00,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:06:00,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3938 [2020-10-28 12:06:00,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:00,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-10-28 12:06:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:06:00,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:01,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:06:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:01,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:01,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:01,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:06:01,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 12:06:01,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:01,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:01,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:01,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:06:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:01,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:01,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:01,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-28 12:06:01,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:01,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 12:06:01,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:01,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:01,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:01,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-28 12:06:01,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:01,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-28 12:06:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:01,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:01,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:01,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:06:01,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:01,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-28 12:06:01,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:01,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:06:01,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:06:01,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:01,633 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:06:01,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876940836] [2020-10-28 12:06:01,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:06:01,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:06:01,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181859111] [2020-10-28 12:06:01,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:06:01,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:06:01,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:06:01,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:06:01,637 INFO L87 Difference]: Start difference. First operand 6505 states and 7835 transitions. Second operand 7 states. [2020-10-28 12:06:05,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:06:05,113 INFO L93 Difference]: Finished difference Result 13430 states and 16334 transitions. [2020-10-28 12:06:05,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:06:05,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 275 [2020-10-28 12:06:05,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:06:05,149 INFO L225 Difference]: With dead ends: 13430 [2020-10-28 12:06:05,150 INFO L226 Difference]: Without dead ends: 7119 [2020-10-28 12:06:05,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:06:05,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7119 states. [2020-10-28 12:06:05,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7119 to 6709. [2020-10-28 12:06:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6709 states. [2020-10-28 12:06:05,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6709 states to 6709 states and 8058 transitions. [2020-10-28 12:06:05,321 INFO L78 Accepts]: Start accepts. Automaton has 6709 states and 8058 transitions. Word has length 275 [2020-10-28 12:06:05,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:06:05,322 INFO L481 AbstractCegarLoop]: Abstraction has 6709 states and 8058 transitions. [2020-10-28 12:06:05,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:06:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 6709 states and 8058 transitions. [2020-10-28 12:06:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-10-28 12:06:05,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:06:05,330 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:06:05,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:06:05,330 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:06:05,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:06:05,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1599768407, now seen corresponding path program 1 times [2020-10-28 12:06:05,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:06:05,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772799607] [2020-10-28 12:06:05,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:06:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:05,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:05,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:07,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:07,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-28 12:06:07,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:06:07,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1828 [2020-10-28 12:06:07,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:07,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:07,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-28 12:06:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-28 12:06:07,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:07,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:06:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:07,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:07,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:07,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:06:07,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:06:07,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:07,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:07,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:06:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:07,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:07,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:07,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 12:06:07,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-28 12:06:07,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:07,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:07,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:07,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:07,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-28 12:06:07,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:07,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 12:06:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:07,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:07,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:07,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 12:06:07,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:07,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-28 12:06:07,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:07,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:06:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 12:06:07,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 12:06:08,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772799607] [2020-10-28 12:06:08,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:06:08,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:06:08,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631794321] [2020-10-28 12:06:08,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:06:08,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:06:08,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:06:08,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:06:08,238 INFO L87 Difference]: Start difference. First operand 6709 states and 8058 transitions. Second operand 7 states. [2020-10-28 12:06:11,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:06:11,699 INFO L93 Difference]: Finished difference Result 14245 states and 17267 transitions. [2020-10-28 12:06:11,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 12:06:11,700 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 288 [2020-10-28 12:06:11,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:06:11,731 INFO L225 Difference]: With dead ends: 14245 [2020-10-28 12:06:11,732 INFO L226 Difference]: Without dead ends: 7538 [2020-10-28 12:06:11,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:06:11,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7538 states. [2020-10-28 12:06:11,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7538 to 7493. [2020-10-28 12:06:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7493 states. [2020-10-28 12:06:11,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7493 states to 7493 states and 8964 transitions. [2020-10-28 12:06:11,965 INFO L78 Accepts]: Start accepts. Automaton has 7493 states and 8964 transitions. Word has length 288 [2020-10-28 12:06:11,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:06:11,966 INFO L481 AbstractCegarLoop]: Abstraction has 7493 states and 8964 transitions. [2020-10-28 12:06:11,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:06:11,966 INFO L276 IsEmpty]: Start isEmpty. Operand 7493 states and 8964 transitions. [2020-10-28 12:06:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-28 12:06:11,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:06:11,975 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:06:11,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 12:06:11,976 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:06:11,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:06:11,976 INFO L82 PathProgramCache]: Analyzing trace with hash 906368188, now seen corresponding path program 1 times [2020-10-28 12:06:11,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:06:11,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335397169] [2020-10-28 12:06:11,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:06:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:12,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:12,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:13,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:13,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:13,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 315 [2020-10-28 12:06:13,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:06:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1455 [2020-10-28 12:06:13,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:13,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 282 [2020-10-28 12:06:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 12:06:13,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:13,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:06:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:13,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:13,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:13,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:06:13,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:06:13,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:13,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:13,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:13,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:13,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:06:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:13,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:13,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:13,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:06:13,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:13,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 12:06:13,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:13,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:13,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:13,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:13,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:13,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 12:06:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:13,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:13,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:13,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-28 12:06:13,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:13,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 12:06:13,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:13,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-28 12:06:13,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-28 12:06:13,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335397169] [2020-10-28 12:06:13,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:06:13,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:06:13,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274492071] [2020-10-28 12:06:14,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:06:14,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:06:14,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:06:14,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:06:14,002 INFO L87 Difference]: Start difference. First operand 7493 states and 8964 transitions. Second operand 5 states. [2020-10-28 12:06:16,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:06:16,745 INFO L93 Difference]: Finished difference Result 15525 states and 19127 transitions. [2020-10-28 12:06:16,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:06:16,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 301 [2020-10-28 12:06:16,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:06:16,778 INFO L225 Difference]: With dead ends: 15525 [2020-10-28 12:06:16,778 INFO L226 Difference]: Without dead ends: 9009 [2020-10-28 12:06:16,793 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 [2020-10-28 12:06:16,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9009 states. [2020-10-28 12:06:16,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9009 to 8991. [2020-10-28 12:06:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8991 states. [2020-10-28 12:06:16,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8991 states to 8991 states and 10745 transitions. [2020-10-28 12:06:16,968 INFO L78 Accepts]: Start accepts. Automaton has 8991 states and 10745 transitions. Word has length 301 [2020-10-28 12:06:16,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:06:16,969 INFO L481 AbstractCegarLoop]: Abstraction has 8991 states and 10745 transitions. [2020-10-28 12:06:16,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:06:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 8991 states and 10745 transitions. [2020-10-28 12:06:16,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-28 12:06:16,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:06:16,980 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:06:16,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 12:06:16,980 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:06:16,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:06:16,981 INFO L82 PathProgramCache]: Analyzing trace with hash -556401109, now seen corresponding path program 1 times [2020-10-28 12:06:16,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:06:16,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852116978] [2020-10-28 12:06:16,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:06:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:17,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:17,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:17,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-28 12:06:17,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:17,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 654 [2020-10-28 12:06:17,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:17,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 318 [2020-10-28 12:06:17,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 12:06:17,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:17,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:06:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:17,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:17,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:17,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:06:17,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:17,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:06:17,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:17,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:17,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:17,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:17,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:17,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:17,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:06:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:17,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:17,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:17,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:06:17,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 12:06:17,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:17,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:17,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:06:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:18,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:18,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:18,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 12:06:18,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:18,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 12:06:18,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:18,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:18,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:18,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-28 12:06:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:18,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:18,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:18,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-28 12:06:18,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:18,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 12:06:18,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:18,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:18,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:18,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-28 12:06:18,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2020-10-28 12:06:18,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852116978] [2020-10-28 12:06:18,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:06:18,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:06:18,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362990577] [2020-10-28 12:06:18,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:06:18,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:06:18,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:06:18,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:06:18,314 INFO L87 Difference]: Start difference. First operand 8991 states and 10745 transitions. Second operand 6 states. [2020-10-28 12:06:22,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:06:22,490 INFO L93 Difference]: Finished difference Result 19708 states and 24238 transitions. [2020-10-28 12:06:22,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:06:22,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 335 [2020-10-28 12:06:22,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:06:22,523 INFO L225 Difference]: With dead ends: 19708 [2020-10-28 12:06:22,524 INFO L226 Difference]: Without dead ends: 10913 [2020-10-28 12:06:22,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:06:22,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10913 states. [2020-10-28 12:06:22,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10913 to 10695. [2020-10-28 12:06:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10695 states. [2020-10-28 12:06:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10695 states to 10695 states and 13140 transitions. [2020-10-28 12:06:22,764 INFO L78 Accepts]: Start accepts. Automaton has 10695 states and 13140 transitions. Word has length 335 [2020-10-28 12:06:22,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:06:22,765 INFO L481 AbstractCegarLoop]: Abstraction has 10695 states and 13140 transitions. [2020-10-28 12:06:22,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:06:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 10695 states and 13140 transitions. [2020-10-28 12:06:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-28 12:06:22,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:06:22,785 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 12:06:22,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 12:06:22,786 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:06:22,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:06:22,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1363099910, now seen corresponding path program 1 times [2020-10-28 12:06:22,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:06:22,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121843389] [2020-10-28 12:06:22,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:06:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:22,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:23,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:23,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:23,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:24,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:24,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:25,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:25,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 408 [2020-10-28 12:06:25,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 12:06:25,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2685 [2020-10-28 12:06:25,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:25,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:06:25,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 370 [2020-10-28 12:06:25,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:25,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:06:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:25,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:25,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:25,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:06:25,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:25,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 12:06:25,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:25,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:06:25,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:06:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:25,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:25,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:25,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:25,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 12:06:25,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:06:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-28 12:06:25,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:25,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 12:06:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:26,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 12:06:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:26,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:26,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:26,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:26,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:06:26,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:06:26,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-28 12:06:26,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:26,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 12:06:26,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:26,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-28 12:06:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:26,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:26,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:26,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:26,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-28 12:06:26,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:06:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-28 12:06:26,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:26,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-28 12:06:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 12:06:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-10-28 12:06:26,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121843389] [2020-10-28 12:06:26,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:06:26,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:06:26,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551570708] [2020-10-28 12:06:26,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:06:26,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:06:26,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:06:26,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:06:26,539 INFO L87 Difference]: Start difference. First operand 10695 states and 13140 transitions. Second operand 6 states. [2020-10-28 12:06:28,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:06:28,368 INFO L93 Difference]: Finished difference Result 19085 states and 23654 transitions. [2020-10-28 12:06:28,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:06:28,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 392 [2020-10-28 12:06:28,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:06:28,401 INFO L225 Difference]: With dead ends: 19085 [2020-10-28 12:06:28,401 INFO L226 Difference]: Without dead ends: 10514 [2020-10-28 12:06:28,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:06:28,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10514 states. [2020-10-28 12:06:28,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10514 to 10495. [2020-10-28 12:06:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10495 states. [2020-10-28 12:06:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10495 states to 10495 states and 12879 transitions. [2020-10-28 12:06:28,613 INFO L78 Accepts]: Start accepts. Automaton has 10495 states and 12879 transitions. Word has length 392 [2020-10-28 12:06:28,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:06:28,614 INFO L481 AbstractCegarLoop]: Abstraction has 10495 states and 12879 transitions. [2020-10-28 12:06:28,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:06:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 10495 states and 12879 transitions. [2020-10-28 12:06:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2020-10-28 12:06:28,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:06:28,629 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:06:28,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 12:06:28,630 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:06:28,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:06:28,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1716115726, now seen corresponding path program 1 times [2020-10-28 12:06:28,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:06:28,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092462342] [2020-10-28 12:06:28,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:06:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:28,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:28,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:30,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:30,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 415 [2020-10-28 12:06:30,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:06:30,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1839 [2020-10-28 12:06:30,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:30,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-28 12:06:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-28 12:06:30,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:30,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:06:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:30,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:30,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:30,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:06:30,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:30,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:06:30,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:30,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:30,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:30,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:30,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:06:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:30,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:30,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:30,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 12:06:30,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:30,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 12:06:30,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:30,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:30,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:30,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:30,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:30,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:30,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 12:06:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:30,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:30,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:30,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-28 12:06:30,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:30,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-28 12:06:30,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:30,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-28 12:06:30,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:30,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-28 12:06:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:31,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:31,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:31,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-28 12:06:31,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:31,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-28 12:06:31,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:31,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:31,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:31,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:06:31,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-28 12:06:31,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:31,327 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 266 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-28 12:06:31,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092462342] [2020-10-28 12:06:31,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:06:31,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:06:31,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941126112] [2020-10-28 12:06:31,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:06:31,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:06:31,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:06:31,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:06:31,330 INFO L87 Difference]: Start difference. First operand 10495 states and 12879 transitions. Second operand 7 states. [2020-10-28 12:06:34,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:06:34,956 INFO L93 Difference]: Finished difference Result 21014 states and 25814 transitions. [2020-10-28 12:06:34,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:06:34,957 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 399 [2020-10-28 12:06:34,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:06:34,986 INFO L225 Difference]: With dead ends: 21014 [2020-10-28 12:06:34,986 INFO L226 Difference]: Without dead ends: 10715 [2020-10-28 12:06:35,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:06:35,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10715 states. [2020-10-28 12:06:35,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10715 to 10499. [2020-10-28 12:06:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10499 states. [2020-10-28 12:06:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10499 states to 10499 states and 12602 transitions. [2020-10-28 12:06:35,192 INFO L78 Accepts]: Start accepts. Automaton has 10499 states and 12602 transitions. Word has length 399 [2020-10-28 12:06:35,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:06:35,193 INFO L481 AbstractCegarLoop]: Abstraction has 10499 states and 12602 transitions. [2020-10-28 12:06:35,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:06:35,193 INFO L276 IsEmpty]: Start isEmpty. Operand 10499 states and 12602 transitions. [2020-10-28 12:06:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2020-10-28 12:06:35,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:06:35,207 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:06:35,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 12:06:35,207 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:06:35,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:06:35,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1108045680, now seen corresponding path program 1 times [2020-10-28 12:06:35,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:06:35,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102170016] [2020-10-28 12:06:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:06:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:35,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:35,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:37,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:38,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:40,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:40,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 428 [2020-10-28 12:06:40,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:06:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4929 [2020-10-28 12:06:40,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:40,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:06:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-28 12:06:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-28 12:06:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:40,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:06:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:40,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:40,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:40,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:06:40,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:40,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:06:40,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:40,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:40,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:40,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:40,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:40,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:40,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:06:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:40,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:40,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:40,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:06:40,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:40,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 12:06:40,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:40,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:40,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:06:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:40,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:40,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:40,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 12:06:40,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:40,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 12:06:40,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:40,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:40,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:40,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:40,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 12:06:40,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:40,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-28 12:06:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:40,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:40,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:40,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-28 12:06:40,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:40,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-28 12:06:40,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:40,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:06:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-28 12:06:40,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 254 proven. 24 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-28 12:06:40,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102170016] [2020-10-28 12:06:40,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:06:40,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:06:40,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176189970] [2020-10-28 12:06:40,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:06:40,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:06:40,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:06:40,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:06:40,962 INFO L87 Difference]: Start difference. First operand 10499 states and 12602 transitions. Second operand 7 states. [2020-10-28 12:06:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:06:43,424 INFO L93 Difference]: Finished difference Result 19141 states and 23295 transitions. [2020-10-28 12:06:43,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:06:43,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 412 [2020-10-28 12:06:43,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:06:43,457 INFO L225 Difference]: With dead ends: 19141 [2020-10-28 12:06:43,457 INFO L226 Difference]: Without dead ends: 10768 [2020-10-28 12:06:43,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-28 12:06:43,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10768 states. [2020-10-28 12:06:43,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10768 to 10308. [2020-10-28 12:06:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10308 states. [2020-10-28 12:06:43,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10308 states to 10308 states and 12040 transitions. [2020-10-28 12:06:43,664 INFO L78 Accepts]: Start accepts. Automaton has 10308 states and 12040 transitions. Word has length 412 [2020-10-28 12:06:43,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:06:43,665 INFO L481 AbstractCegarLoop]: Abstraction has 10308 states and 12040 transitions. [2020-10-28 12:06:43,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:06:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 10308 states and 12040 transitions. [2020-10-28 12:06:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2020-10-28 12:06:43,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:06:43,684 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, 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:06:43,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 12:06:43,684 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:06:43,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:06:43,685 INFO L82 PathProgramCache]: Analyzing trace with hash -537960200, now seen corresponding path program 1 times [2020-10-28 12:06:43,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:06:43,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618337557] [2020-10-28 12:06:43,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:06:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:43,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:45,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:45,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:48,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:48,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 497 [2020-10-28 12:06:48,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:06:48,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 12:06:48,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:48,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 361 [2020-10-28 12:06:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:06:48,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:48,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:06:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:48,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:48,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:48,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:06:48,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:48,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:06:48,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:48,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:48,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:48,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:48,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:06:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:48,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:49,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:49,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:06:49,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 12:06:49,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:49,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:49,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:06:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:49,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:49,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:49,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 12:06:49,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:49,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 12:06:49,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:49,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:49,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:49,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:49,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:49,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:49,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-28 12:06:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:49,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:49,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:49,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 12:06:49,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:49,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-28 12:06:49,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:49,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-28 12:06:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:06:49,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:49,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-28 12:06:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:49,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:49,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:49,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-28 12:06:49,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:49,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 12:06:49,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:49,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:49,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:49,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-28 12:06:49,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:49,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2020-10-28 12:06:49,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618337557] [2020-10-28 12:06:49,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:06:49,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:06:49,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108261908] [2020-10-28 12:06:49,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:06:49,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:06:49,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:06:49,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:06:49,492 INFO L87 Difference]: Start difference. First operand 10308 states and 12040 transitions. Second operand 5 states. [2020-10-28 12:06:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:06:52,152 INFO L93 Difference]: Finished difference Result 20207 states and 23684 transitions. [2020-10-28 12:06:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:06:52,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 479 [2020-10-28 12:06:52,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:06:52,174 INFO L225 Difference]: With dead ends: 20207 [2020-10-28 12:06:52,175 INFO L226 Difference]: Without dead ends: 10681 [2020-10-28 12:06:52,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:06:52,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10681 states. [2020-10-28 12:06:52,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10681 to 10475. [2020-10-28 12:06:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10475 states. [2020-10-28 12:06:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10475 states to 10475 states and 11891 transitions. [2020-10-28 12:06:52,358 INFO L78 Accepts]: Start accepts. Automaton has 10475 states and 11891 transitions. Word has length 479 [2020-10-28 12:06:52,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:06:52,359 INFO L481 AbstractCegarLoop]: Abstraction has 10475 states and 11891 transitions. [2020-10-28 12:06:52,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:06:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 10475 states and 11891 transitions. [2020-10-28 12:06:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-10-28 12:06:52,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:06:52,379 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, 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, 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, 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] [2020-10-28 12:06:52,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 12:06:52,379 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:06:52,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:06:52,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1752211291, now seen corresponding path program 1 times [2020-10-28 12:06:52,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:06:52,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609167450] [2020-10-28 12:06:52,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:06:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:52,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:54,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:54,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:57,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:57,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 535 [2020-10-28 12:06:57,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:06:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5174 [2020-10-28 12:06:57,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:57,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:06:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 502 [2020-10-28 12:06:57,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 12:06:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:57,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:06:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:57,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:57,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:57,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:06:57,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:57,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:06:57,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:57,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:57,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:57,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:06:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:57,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:57,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:57,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-28 12:06:57,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:57,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 12:06:57,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:57,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:57,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:57,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:57,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:57,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:57,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 12:06:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:57,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:57,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:57,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 12:06:57,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:57,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 12:06:57,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:57,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:57,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:57,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-28 12:06:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:57,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:58,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:58,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 12:06:58,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:58,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 12:06:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:58,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:06:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:06:58,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:58,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-28 12:06:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:06:58,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-28 12:06:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:06:58,274 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2020-10-28 12:06:58,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609167450] [2020-10-28 12:06:58,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:06:58,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:06:58,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205900505] [2020-10-28 12:06:58,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:06:58,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:06:58,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:06:58,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:06:58,276 INFO L87 Difference]: Start difference. First operand 10475 states and 11891 transitions. Second operand 5 states. [2020-10-28 12:07:00,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:07:00,474 INFO L93 Difference]: Finished difference Result 12016 states and 13733 transitions. [2020-10-28 12:07:00,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:07:00,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 517 [2020-10-28 12:07:00,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:07:00,497 INFO L225 Difference]: With dead ends: 12016 [2020-10-28 12:07:00,498 INFO L226 Difference]: Without dead ends: 12013 [2020-10-28 12:07:00,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:07:00,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12013 states. [2020-10-28 12:07:00,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12013 to 11051. [2020-10-28 12:07:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11051 states. [2020-10-28 12:07:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11051 states to 11051 states and 12641 transitions. [2020-10-28 12:07:00,692 INFO L78 Accepts]: Start accepts. Automaton has 11051 states and 12641 transitions. Word has length 517 [2020-10-28 12:07:00,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:07:00,693 INFO L481 AbstractCegarLoop]: Abstraction has 11051 states and 12641 transitions. [2020-10-28 12:07:00,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:07:00,693 INFO L276 IsEmpty]: Start isEmpty. Operand 11051 states and 12641 transitions. [2020-10-28 12:07:00,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2020-10-28 12:07:00,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:07:00,735 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:07:00,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 12:07:00,736 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:07:00,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:07:00,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1465704199, now seen corresponding path program 1 times [2020-10-28 12:07:00,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:07:00,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311561964] [2020-10-28 12:07:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:07:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:01,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:01,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:02,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:02,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:05,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:05,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 634 [2020-10-28 12:07:05,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:07:05,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4585 [2020-10-28 12:07:05,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:05,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:05,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:05,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 338 [2020-10-28 12:07:05,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-28 12:07:05,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:05,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:07:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:05,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:05,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:05,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:07:05,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:05,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:07:05,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:05,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:05,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:07:05,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:05,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:07:05,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:05,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:07:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:05,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:05,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:05,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-28 12:07:05,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:05,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 12:07:05,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:05,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:07:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:07:05,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:05,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-28 12:07:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:05,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:06,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:06,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-28 12:07:06,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 12:07:06,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:06,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:06,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:07:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:07:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-28 12:07:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:06,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-28 12:07:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:06,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:06,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:06,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-28 12:07:06,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:06,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-28 12:07:06,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:06,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:06,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:07:06,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:07:06,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-28 12:07:06,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:06,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-28 12:07:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:07:06,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:07:06,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:07:06,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 12:07:06,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:07:06,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 12:07:06,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:07:06,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:07:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:07:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-28 12:07:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:07:06,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:07:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 421 proven. 89 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-10-28 12:07:06,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311561964] [2020-10-28 12:07:06,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:07:06,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:07:06,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165948190] [2020-10-28 12:07:06,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:07:06,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:07:06,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:07:06,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:07:06,599 INFO L87 Difference]: Start difference. First operand 11051 states and 12641 transitions. Second operand 7 states. [2020-10-28 12:07:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:07:10,846 INFO L93 Difference]: Finished difference Result 23616 states and 27130 transitions. [2020-10-28 12:07:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:07:10,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 616 [2020-10-28 12:07:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:07:10,848 INFO L225 Difference]: With dead ends: 23616 [2020-10-28 12:07:10,848 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 12:07:10,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:07:10,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 12:07:10,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 12:07:10,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 12:07:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 12:07:10,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 616 [2020-10-28 12:07:10,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:07:10,870 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 12:07:10,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:07:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 12:07:10,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 12:07:10,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-28 12:07:10,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 12:07:12,360 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 163 [2020-10-28 12:07:12,673 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 163 [2020-10-28 12:07:13,046 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2020-10-28 12:07:15,549 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 343 DAG size of output: 75 [2020-10-28 12:07:16,206 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 52 [2020-10-28 12:07:16,901 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 52 [2020-10-28 12:07:17,816 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 58 [2020-10-28 12:07:17,823 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 12:07:17,823 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 12:07:17,823 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 12:07:17,823 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 12:07:17,823 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:07:17,824 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)|)) [2020-10-28 12:07:17,824 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:07:17,824 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,824 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,824 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,824 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,824 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-28 12:07:17,825 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-28 12:07:17,825 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,825 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,825 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,825 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,825 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,825 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,825 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-28 12:07:17,825 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-28 12:07:17,826 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,827 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,828 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,829 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,830 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,831 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,832 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,833 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-28 12:07:17,834 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-28 12:07:17,834 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-28 12:07:17,834 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-28 12:07:17,834 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-28 12:07:17,834 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-28 12:07:17,834 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-28 12:07:17,834 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse9 (= ~a25~0 |old(~a25~0)|)) (.cse10 (= ~a23~0 |old(~a23~0)|)) (.cse11 (= ~a29~0 |old(~a29~0)|))) (let ((.cse3 (not (= 9 |old(~a25~0)|))) (.cse7 (not (= 10 |old(~a25~0)|))) (.cse6 (and .cse9 .cse10 .cse11 (= ~a4~0 |old(~a4~0)|))) (.cse5 (not (<= ~a8~0 15))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse1 (and .cse9 .cse10 .cse11 (= ~a4~0 1))) (.cse8 (not (= 12 |old(~a25~0)|))) (.cse2 (not (<= (+ |old(~a23~0)| 43) 0))) (.cse4 (not (<= |old(~a29~0)| 130)))) (and (or .cse0 .cse1 (not (<= 246 |old(~a29~0)|)) .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse6 (not (= |old(~a4~0)| 0))) (or .cse0 .cse1 .cse5 .cse7) (or .cse0 .cse1 .cse5 .cse3) (or .cse0 .cse1 .cse5 (not (<= 141 |old(~a29~0)|))) (or .cse0 .cse1 .cse7 .cse2) (or .cse6 (and (or .cse0 (not (<= 13 |old(~a25~0)|)) .cse5 .cse2) (or (not (<= |old(~a25~0)| 9)) .cse5 .cse2 .cse4))) (or .cse0 .cse5 .cse1 .cse8 .cse4) (or .cse0 .cse5 .cse1 (not (<= 139 |old(~a23~0)|))) (or .cse0 .cse1 .cse8 .cse2 .cse4)))) [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-28 12:07:17,835 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,836 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,837 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,838 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-28 12:07:17,839 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-28 12:07:17,840 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,841 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,841 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,841 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,841 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,841 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,841 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-28 12:07:17,841 INFO L270 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (let ((.cse5 (not (= 10 |old(~a25~0)|))) (.cse1 (not (= 12 |old(~a25~0)|))) (.cse0 (not (= |old(~a4~0)| 1))) (.cse6 (not (= 9 |old(~a25~0)|))) (.cse4 (not (<= ~a8~0 15))) (.cse2 (not (<= (+ |old(~a23~0)| 43) 0))) (.cse3 (not (<= |old(~a29~0)| 130)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~a4~0)| 0))) (or .cse0 .cse4 .cse5) (or .cse0 .cse5 .cse2) (or .cse0 .cse4 .cse1 .cse3) (or .cse0 (not (<= 246 |old(~a29~0)|)) .cse2 .cse6) (or .cse0 .cse4 (not (<= 141 |old(~a29~0)|))) (or .cse0 .cse4 .cse6) (or .cse0 (not (<= 13 |old(~a25~0)|)) .cse4 .cse2) (or .cse0 .cse4 (not (<= 139 |old(~a23~0)|))) (or .cse0 .cse3 .cse6) (or (not (<= |old(~a25~0)| 9)) .cse4 .cse2 .cse3))) [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L80-1(line 80) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,842 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,843 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,844 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 12:07:17,845 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,846 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,847 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-28 12:07:17,848 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,849 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,849 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-28 12:07:17,849 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-28 12:07:17,849 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-28 12:07:17,849 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-28 12:07:17,849 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 12:07:17,849 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)) [2020-10-28 12:07:17,849 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 12:07:17,849 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 12:07:17,850 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)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1) (= ~a23~0 312)) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130))) [2020-10-28 12:07:17,850 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-28 12:07:17,850 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse0 (<= (+ ~a23~0 43) 0)) (.cse2 (<= ~a29~0 130)) (.cse1 (= ~a4~0 1))) (or (= ~a4~0 0) (and .cse0 (<= 13 ~a25~0) .cse1) (and (<= 141 ~a29~0) .cse1) (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (not (<= ~a8~0 15)) (and (<= ~a25~0 9) .cse2 .cse0) (not (= 10 |old(~a25~0)|)) (and .cse2 (= ~a25~0 12) .cse1) (and (= ~a25~0 9) .cse1) (not (<= |old(~a29~0)| 130)) (and (<= 139 ~a23~0) .cse1) (and (= ~a25~0 10) .cse1))) [2020-10-28 12:07:17,850 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-28 12:07:17,850 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-28 12:07:17,850 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (<= (+ ~a23~0 43) 0)) (.cse2 (<= ~a29~0 130)) (.cse1 (= ~a4~0 1))) (or (= ~a4~0 0) (and .cse0 (<= 13 ~a25~0) .cse1) (and (<= 141 ~a29~0) .cse1) (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (not (<= ~a8~0 15)) (and (<= ~a25~0 9) .cse2 .cse0) (not (= 10 |old(~a25~0)|)) (and .cse2 (= ~a25~0 12) .cse1) (and (= ~a25~0 9) .cse1) (not (<= |old(~a29~0)| 130)) (and (<= 139 ~a23~0) .cse1) (and (= ~a25~0 10) .cse1))) [2020-10-28 12:07:17,850 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-28 12:07:17,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:07:17 BoogieIcfgContainer [2020-10-28 12:07:17,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:07:17,874 INFO L168 Benchmark]: Toolchain (without parser) took 137038.56 ms. Allocated memory was 151.0 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 129.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2020-10-28 12:07:17,874 INFO L168 Benchmark]: CDTParser took 3.30 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.4 MB in the end (delta: 76.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:07:17,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1068.19 ms. Allocated memory is still 151.0 MB. Free memory was 128.4 MB in the beginning and 113.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. [2020-10-28 12:07:17,875 INFO L168 Benchmark]: Boogie Preprocessor took 217.44 ms. Allocated memory is still 151.0 MB. Free memory was 113.2 MB in the beginning and 105.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-28 12:07:17,876 INFO L168 Benchmark]: RCFGBuilder took 2145.54 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 105.9 MB in the beginning and 133.2 MB in the end (delta: -27.4 MB). Peak memory consumption was 74.8 MB. Max. memory is 8.0 GB. [2020-10-28 12:07:17,877 INFO L168 Benchmark]: TraceAbstraction took 133592.89 ms. Allocated memory was 191.9 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 132.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2020-10-28 12:07:17,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.30 ms. Allocated memory is still 151.0 MB. Free memory was 123.4 MB in the beginning and 123.4 MB in the end (delta: 76.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1068.19 ms. Allocated memory is still 151.0 MB. Free memory was 128.4 MB in the beginning and 113.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 217.44 ms. Allocated memory is still 151.0 MB. Free memory was 113.2 MB in the beginning and 105.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2145.54 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 105.9 MB in the beginning and 133.2 MB in the end (delta: -27.4 MB). Peak memory consumption was 74.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 133592.89 ms. Allocated memory was 191.9 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 132.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.1 GB. 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: (((((((((((a4 == 0 || ((a23 + 43 <= 0 && 13 <= a25) && a4 == 1)) || (141 <= a29 && a4 == 1)) || !(\old(a4) == 1)) || !(312 == \old(a23))) || !(a8 <= 15)) || ((a25 <= 9 && a29 <= 130) && a23 + 43 <= 0)) || !(10 == \old(a25))) || ((a29 <= 130 && a25 == 12) && a4 == 1)) || (a25 == 9 && a4 == 1)) || !(\old(a29) <= 130)) || (139 <= a23 && a4 == 1)) || (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: 126.5s, OverallIterations: 19, TraceHistogramMax: 5, AutomataDifference: 60.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 877 SDtfs, 11631 SDslu, 1364 SDs, 0 SdLazy, 25953 SolverSat, 3380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11051occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 19 MinimizatonAttempts, 3168 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1099 PreInvPairs, 1257 NumberOfFragments, 802 HoareAnnotationTreeSize, 1099 FomulaSimplifications, 22903 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 14364 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 59.4s InterpolantComputationTime, 5568 NumberOfCodeBlocks, 5568 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5549 ConstructedInterpolants, 0 QuantifiedInterpolants, 4111232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 4735/4876 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...