/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 04:48:34,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 04:48:34,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 04:48:34,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 04:48:34,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 04:48:34,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 04:48:34,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 04:48:34,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 04:48:34,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 04:48:34,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 04:48:34,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 04:48:34,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 04:48:34,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 04:48:34,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 04:48:34,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 04:48:34,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 04:48:34,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 04:48:34,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 04:48:34,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 04:48:34,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 04:48:34,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 04:48:34,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 04:48:34,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 04:48:34,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 04:48:34,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 04:48:34,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 04:48:34,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 04:48:34,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 04:48:34,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 04:48:34,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 04:48:34,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 04:48:34,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 04:48:34,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 04:48:34,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 04:48:34,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 04:48:34,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 04:48:34,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 04:48:34,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 04:48:34,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 04:48:34,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 04:48:34,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 04:48:34,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 04:48:34,251 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 04:48:34,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 04:48:34,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 04:48:34,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 04:48:34,254 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 04:48:34,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 04:48:34,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 04:48:34,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 04:48:34,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 04:48:34,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 04:48:34,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 04:48:34,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 04:48:34,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 04:48:34,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 04:48:34,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 04:48:34,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 04:48:34,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 04:48:34,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 04:48:34,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 04:48:34,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 04:48:34,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 04:48:34,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:48:34,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 04:48:34,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 04:48:34,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 04:48:34,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 04:48:34,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 04:48:34,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 04:48:34,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 04:48:34,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 04:48:34,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 04:48:34,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 04:48:34,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 04:48:34,739 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 04:48:34,740 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 04:48:34,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2020-10-29 04:48:34,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/565f06676/586551bb90f5469e882ffe0e6fb22597/FLAGe26f7e95c [2020-10-29 04:48:35,660 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 04:48:35,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2020-10-29 04:48:35,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/565f06676/586551bb90f5469e882ffe0e6fb22597/FLAGe26f7e95c [2020-10-29 04:48:35,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/565f06676/586551bb90f5469e882ffe0e6fb22597 [2020-10-29 04:48:35,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 04:48:35,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 04:48:35,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 04:48:35,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 04:48:35,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 04:48:35,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:35" (1/1) ... [2020-10-29 04:48:35,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c8a583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:35, skipping insertion in model container [2020-10-29 04:48:35,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:48:35" (1/1) ... [2020-10-29 04:48:35,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 04:48:35,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 04:48:36,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:48:36,468 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 04:48:36,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 04:48:36,650 INFO L208 MainTranslator]: Completed translation [2020-10-29 04:48:36,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36 WrapperNode [2020-10-29 04:48:36,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 04:48:36,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 04:48:36,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 04:48:36,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 04:48:36,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36" (1/1) ... [2020-10-29 04:48:36,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36" (1/1) ... [2020-10-29 04:48:36,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36" (1/1) ... [2020-10-29 04:48:36,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36" (1/1) ... [2020-10-29 04:48:36,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36" (1/1) ... [2020-10-29 04:48:36,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36" (1/1) ... [2020-10-29 04:48:36,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36" (1/1) ... [2020-10-29 04:48:36,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 04:48:36,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 04:48:36,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 04:48:36,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 04:48:36,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 04:48:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 04:48:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 04:48:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 04:48:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 04:48:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 04:48:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 04:48:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 04:48:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 04:48:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 04:48:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 04:48:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 04:48:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 04:48:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 04:48:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 04:48:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 04:48:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 04:48:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 04:48:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 04:48:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 04:48:38,302 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 04:48:38,303 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 04:48:38,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:38 BoogieIcfgContainer [2020-10-29 04:48:38,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 04:48:38,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 04:48:38,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 04:48:38,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 04:48:38,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:48:35" (1/3) ... [2020-10-29 04:48:38,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c600999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:38, skipping insertion in model container [2020-10-29 04:48:38,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:48:36" (2/3) ... [2020-10-29 04:48:38,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c600999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:48:38, skipping insertion in model container [2020-10-29 04:48:38,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:48:38" (3/3) ... [2020-10-29 04:48:38,316 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label06.c [2020-10-29 04:48:38,328 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 04:48:38,333 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 04:48:38,347 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 04:48:38,396 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 04:48:38,397 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 04:48:38,397 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 04:48:38,397 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 04:48:38,397 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 04:48:38,397 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 04:48:38,398 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 04:48:38,398 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 04:48:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-29 04:48:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-29 04:48:38,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:38,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:38,455 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:38,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:38,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1587906371, now seen corresponding path program 1 times [2020-10-29 04:48:38,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:38,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8514415] [2020-10-29 04:48:38,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:38,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:39,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:40,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:40,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-29 04:48:40,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:48:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1841 [2020-10-29 04:48:40,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:40,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:40,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:48:40,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:48:40,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-29 04:48:40,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 04:48:40,960 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 04:48:40,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:40,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:41,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:41,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:41,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:41,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 04:48:41,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:41,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:41,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:41,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:41,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:48:41,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:41,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8514415] [2020-10-29 04:48:41,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:48:41,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 04:48:41,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454094042] [2020-10-29 04:48:41,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 04:48:41,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:41,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 04:48:41,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 04:48:41,135 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-29 04:48:43,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:43,311 INFO L93 Difference]: Finished difference Result 632 states and 1079 transitions. [2020-10-29 04:48:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:43,313 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2020-10-29 04:48:43,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:43,329 INFO L225 Difference]: With dead ends: 632 [2020-10-29 04:48:43,329 INFO L226 Difference]: Without dead ends: 328 [2020-10-29 04:48:43,337 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 [2020-10-29 04:48:43,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-29 04:48:43,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 320. [2020-10-29 04:48:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-29 04:48:43,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 481 transitions. [2020-10-29 04:48:43,491 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 481 transitions. Word has length 147 [2020-10-29 04:48:43,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:43,492 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 481 transitions. [2020-10-29 04:48:43,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 04:48:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 481 transitions. [2020-10-29 04:48:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-29 04:48:43,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:43,503 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:43,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 04:48:43,503 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:43,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1394679786, now seen corresponding path program 1 times [2020-10-29 04:48:43,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:43,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806209394] [2020-10-29 04:48:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:43,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:43,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:44,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:45,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:45,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-29 04:48:45,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:48:45,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1887 [2020-10-29 04:48:45,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:45,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:45,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:45,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-29 04:48:45,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-29 04:48:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:45,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:45,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:45,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:45,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:45,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:45,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:48:45,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:45,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:45,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:45,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:45,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:45,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:45,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 04:48:45,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:45,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 04:48:45,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:45,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 04:48:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:45,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806209394] [2020-10-29 04:48:45,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:48:45,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:48:45,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453851021] [2020-10-29 04:48:45,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:48:45,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:45,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:48:45,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:48:45,811 INFO L87 Difference]: Start difference. First operand 320 states and 481 transitions. Second operand 5 states. [2020-10-29 04:48:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:47,683 INFO L93 Difference]: Finished difference Result 947 states and 1445 transitions. [2020-10-29 04:48:47,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:47,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2020-10-29 04:48:47,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:47,691 INFO L225 Difference]: With dead ends: 947 [2020-10-29 04:48:47,692 INFO L226 Difference]: Without dead ends: 633 [2020-10-29 04:48:47,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:48:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-10-29 04:48:47,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 484. [2020-10-29 04:48:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-29 04:48:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 714 transitions. [2020-10-29 04:48:47,733 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 714 transitions. Word has length 162 [2020-10-29 04:48:47,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:47,734 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 714 transitions. [2020-10-29 04:48:47,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:48:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 714 transitions. [2020-10-29 04:48:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-29 04:48:47,739 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:47,739 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:47,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 04:48:47,740 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:47,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:47,741 INFO L82 PathProgramCache]: Analyzing trace with hash 573559436, now seen corresponding path program 1 times [2020-10-29 04:48:47,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:47,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40151839] [2020-10-29 04:48:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:47,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:47,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:48,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:49,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-29 04:48:49,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:48:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1352 [2020-10-29 04:48:49,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:49,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 04:48:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-29 04:48:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 04:48:49,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:49,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:49,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:49,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:49,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:49,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:48:49,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:49,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:49,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:48:49,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:49,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:49,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:49,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 04:48:49,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:49,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 04:48:49,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:49,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 04:48:49,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:48:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:49,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40151839] [2020-10-29 04:48:49,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:48:49,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:48:49,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460989932] [2020-10-29 04:48:49,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:48:49,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:49,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:48:49,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:48:49,459 INFO L87 Difference]: Start difference. First operand 484 states and 714 transitions. Second operand 5 states. [2020-10-29 04:48:51,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:51,386 INFO L93 Difference]: Finished difference Result 1419 states and 2139 transitions. [2020-10-29 04:48:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:51,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2020-10-29 04:48:51,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:51,401 INFO L225 Difference]: With dead ends: 1419 [2020-10-29 04:48:51,401 INFO L226 Difference]: Without dead ends: 941 [2020-10-29 04:48:51,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:48:51,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-29 04:48:51,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 790. [2020-10-29 04:48:51,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-29 04:48:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1087 transitions. [2020-10-29 04:48:51,480 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1087 transitions. Word has length 169 [2020-10-29 04:48:51,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:51,482 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1087 transitions. [2020-10-29 04:48:51,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:48:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1087 transitions. [2020-10-29 04:48:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-29 04:48:51,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:51,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:51,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 04:48:51,493 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:51,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:51,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1785864148, now seen corresponding path program 1 times [2020-10-29 04:48:51,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:51,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742935573] [2020-10-29 04:48:51,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:51,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:51,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:52,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:53,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:53,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-29 04:48:53,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:48:53,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1638 [2020-10-29 04:48:53,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:53,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:53,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:53,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-29 04:48:53,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-29 04:48:53,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:53,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:53,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:53,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:53,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:53,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:53,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 04:48:53,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:53,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:48:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:48:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:48:53,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:53,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:53,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:53,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 04:48:53,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:53,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:48:53,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:53,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:53,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 04:48:53,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 04:48:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:53,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742935573] [2020-10-29 04:48:53,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:48:53,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 04:48:53,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005310726] [2020-10-29 04:48:53,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 04:48:53,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:53,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 04:48:53,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 04:48:53,471 INFO L87 Difference]: Start difference. First operand 790 states and 1087 transitions. Second operand 5 states. [2020-10-29 04:48:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:55,276 INFO L93 Difference]: Finished difference Result 2339 states and 3338 transitions. [2020-10-29 04:48:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 04:48:55,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-10-29 04:48:55,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:55,288 INFO L225 Difference]: With dead ends: 2339 [2020-10-29 04:48:55,288 INFO L226 Difference]: Without dead ends: 1555 [2020-10-29 04:48:55,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 04:48:55,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2020-10-29 04:48:55,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1535. [2020-10-29 04:48:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2020-10-29 04:48:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2087 transitions. [2020-10-29 04:48:55,365 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2087 transitions. Word has length 173 [2020-10-29 04:48:55,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:55,365 INFO L481 AbstractCegarLoop]: Abstraction has 1535 states and 2087 transitions. [2020-10-29 04:48:55,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 04:48:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2087 transitions. [2020-10-29 04:48:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-29 04:48:55,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:55,373 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 04:48:55,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 04:48:55,374 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:55,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:55,374 INFO L82 PathProgramCache]: Analyzing trace with hash -160404801, now seen corresponding path program 1 times [2020-10-29 04:48:55,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:55,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260278371] [2020-10-29 04:48:55,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:55,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:55,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:56,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:56,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-29 04:48:56,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:48:56,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1313 [2020-10-29 04:48:56,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:56,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 04:48:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 04:48:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 04:48:56,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:48:56,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:48:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:56,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:56,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:56,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:48:56,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:56,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 04:48:56,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:56,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:48:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:48:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 04:48:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:48:56,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:48:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:56,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:57,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:48:57,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 04:48:57,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:48:57,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-29 04:48:57,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:48:57,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:48:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:48:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:48:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:48:57,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:48:57,140 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 04:48:57,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260278371] [2020-10-29 04:48:57,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 04:48:57,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 04:48:57,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565017504] [2020-10-29 04:48:57,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:48:57,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:48:57,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:48:57,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:48:57,144 INFO L87 Difference]: Start difference. First operand 1535 states and 2087 transitions. Second operand 7 states. [2020-10-29 04:48:57,295 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-29 04:48:59,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:48:59,127 INFO L93 Difference]: Finished difference Result 3108 states and 4379 transitions. [2020-10-29 04:48:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 04:48:59,127 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-10-29 04:48:59,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:48:59,139 INFO L225 Difference]: With dead ends: 3108 [2020-10-29 04:48:59,139 INFO L226 Difference]: Without dead ends: 1579 [2020-10-29 04:48:59,145 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 [2020-10-29 04:48:59,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2020-10-29 04:48:59,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1541. [2020-10-29 04:48:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2020-10-29 04:48:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 1930 transitions. [2020-10-29 04:48:59,219 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 1930 transitions. Word has length 217 [2020-10-29 04:48:59,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:48:59,219 INFO L481 AbstractCegarLoop]: Abstraction has 1541 states and 1930 transitions. [2020-10-29 04:48:59,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:48:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1930 transitions. [2020-10-29 04:48:59,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-29 04:48:59,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:48:59,228 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:48:59,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 04:48:59,229 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:48:59,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:48:59,229 INFO L82 PathProgramCache]: Analyzing trace with hash 2100098382, now seen corresponding path program 1 times [2020-10-29 04:48:59,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:48:59,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175695097] [2020-10-29 04:48:59,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:48:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:48:59,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:59,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:48:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:01,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:01,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-29 04:49:01,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 04:49:01,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2046 [2020-10-29 04:49:01,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:01,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:01,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:01,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 04:49:01,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:01,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:01,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:01,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:01,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:01,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:01,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:01,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:49:01,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:01,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:01,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:01,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:01,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:01,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:01,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 04:49:01,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 04:49:01,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:01,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:01,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 04:49:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:01,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 04:49:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:01,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:01,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:01,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 04:49:01,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:01,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 04:49:01,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:01,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:49:01,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:01,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 04:49:01,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175695097] [2020-10-29 04:49:01,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:01,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 04:49:01,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184871991] [2020-10-29 04:49:01,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 04:49:01,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:01,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 04:49:01,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:49:01,880 INFO L87 Difference]: Start difference. First operand 1541 states and 1930 transitions. Second operand 8 states. [2020-10-29 04:49:05,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:05,436 INFO L93 Difference]: Finished difference Result 4264 states and 5349 transitions. [2020-10-29 04:49:05,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 04:49:05,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-10-29 04:49:05,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:05,447 INFO L225 Difference]: With dead ends: 4264 [2020-10-29 04:49:05,448 INFO L226 Difference]: Without dead ends: 1847 [2020-10-29 04:49:05,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-10-29 04:49:05,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1847 states. [2020-10-29 04:49:05,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1847 to 1691. [2020-10-29 04:49:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1691 states. [2020-10-29 04:49:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 1981 transitions. [2020-10-29 04:49:05,518 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 1981 transitions. Word has length 239 [2020-10-29 04:49:05,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:05,519 INFO L481 AbstractCegarLoop]: Abstraction has 1691 states and 1981 transitions. [2020-10-29 04:49:05,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 04:49:05,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 1981 transitions. [2020-10-29 04:49:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-29 04:49:05,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:05,527 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:49:05,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 04:49:05,527 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:05,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:05,528 INFO L82 PathProgramCache]: Analyzing trace with hash -243174816, now seen corresponding path program 1 times [2020-10-29 04:49:05,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:05,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884708520] [2020-10-29 04:49:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:05,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:05,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:05,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:06,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:07,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:10,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:10,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-29 04:49:10,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 04:49:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 04:49:10,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:10,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-29 04:49:10,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 04:49:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:10,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:10,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:10,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:10,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:10,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:10,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 04:49:10,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:10,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:10,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:10,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:10,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:10,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:10,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:10,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 04:49:10,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:10,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 04:49:10,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:10,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:10,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:10,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:10,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:10,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:10,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 04:49:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:10,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:10,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:10,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 04:49:10,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:49:10,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:10,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 04:49:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:10,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 04:49:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:10,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:10,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:10,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 04:49:10,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:10,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 04:49:10,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:10,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:10,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:10,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:49:10,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 04:49:10,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:11,000 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 04:49:11,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884708520] [2020-10-29 04:49:11,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:11,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 04:49:11,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902053757] [2020-10-29 04:49:11,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 04:49:11,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:11,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 04:49:11,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 04:49:11,003 INFO L87 Difference]: Start difference. First operand 1691 states and 1981 transitions. Second operand 8 states. [2020-10-29 04:49:12,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:12,274 INFO L93 Difference]: Finished difference Result 3064 states and 3603 transitions. [2020-10-29 04:49:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 04:49:12,274 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 244 [2020-10-29 04:49:12,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:12,283 INFO L225 Difference]: With dead ends: 3064 [2020-10-29 04:49:12,283 INFO L226 Difference]: Without dead ends: 1525 [2020-10-29 04:49:12,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-29 04:49:12,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2020-10-29 04:49:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1519. [2020-10-29 04:49:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-10-29 04:49:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1764 transitions. [2020-10-29 04:49:12,355 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1764 transitions. Word has length 244 [2020-10-29 04:49:12,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:12,355 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 1764 transitions. [2020-10-29 04:49:12,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 04:49:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1764 transitions. [2020-10-29 04:49:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-29 04:49:12,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:12,363 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 04:49:12,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 04:49:12,364 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:12,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:12,364 INFO L82 PathProgramCache]: Analyzing trace with hash -926792646, now seen corresponding path program 1 times [2020-10-29 04:49:12,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:12,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041820342] [2020-10-29 04:49:12,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:12,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:12,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:14,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:14,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-29 04:49:14,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:49:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1855 [2020-10-29 04:49:14,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:14,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-29 04:49:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:14,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:14,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:14,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:14,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:14,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:14,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:14,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 04:49:14,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:14,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:14,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:14,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:14,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 04:49:14,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:14,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 04:49:14,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:14,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:14,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:14,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:14,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 04:49:14,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:14,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 04:49:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:14,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:14,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:14,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 04:49:14,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:14,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 04:49:14,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:14,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:49:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:14,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 04:49:14,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041820342] [2020-10-29 04:49:14,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:14,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:49:14,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479450409] [2020-10-29 04:49:14,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:49:14,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:14,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:49:14,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:49:14,705 INFO L87 Difference]: Start difference. First operand 1519 states and 1764 transitions. Second operand 7 states. [2020-10-29 04:49:17,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:17,314 INFO L93 Difference]: Finished difference Result 2260 states and 2630 transitions. [2020-10-29 04:49:17,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 04:49:17,320 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-10-29 04:49:17,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:17,326 INFO L225 Difference]: With dead ends: 2260 [2020-10-29 04:49:17,326 INFO L226 Difference]: Without dead ends: 1056 [2020-10-29 04:49:17,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 04:49:17,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2020-10-29 04:49:17,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1054. [2020-10-29 04:49:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2020-10-29 04:49:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1197 transitions. [2020-10-29 04:49:17,371 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1197 transitions. Word has length 245 [2020-10-29 04:49:17,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:17,372 INFO L481 AbstractCegarLoop]: Abstraction has 1054 states and 1197 transitions. [2020-10-29 04:49:17,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:49:17,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1197 transitions. [2020-10-29 04:49:17,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-29 04:49:17,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:17,378 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 04:49:17,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 04:49:17,379 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:17,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:17,379 INFO L82 PathProgramCache]: Analyzing trace with hash -115690806, now seen corresponding path program 1 times [2020-10-29 04:49:17,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:17,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722065264] [2020-10-29 04:49:17,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:17,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:17,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:19,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:19,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-29 04:49:19,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 04:49:19,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1800 [2020-10-29 04:49:19,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:19,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:19,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:19,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-29 04:49:19,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:19,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:19,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:19,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:19,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:19,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:19,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:19,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:49:19,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:19,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:19,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:19,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:19,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:19,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:19,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:19,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:19,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 04:49:19,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:19,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 04:49:19,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:19,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 04:49:19,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:19,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 04:49:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:19,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:19,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:19,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 04:49:19,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-29 04:49:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:19,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:49:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:19,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 04:49:19,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722065264] [2020-10-29 04:49:19,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:19,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:49:19,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448756581] [2020-10-29 04:49:19,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:49:19,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:19,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:49:19,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:49:19,707 INFO L87 Difference]: Start difference. First operand 1054 states and 1197 transitions. Second operand 7 states. [2020-10-29 04:49:22,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:22,512 INFO L93 Difference]: Finished difference Result 2438 states and 2844 transitions. [2020-10-29 04:49:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 04:49:22,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 253 [2020-10-29 04:49:22,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:22,522 INFO L225 Difference]: With dead ends: 2438 [2020-10-29 04:49:22,522 INFO L226 Difference]: Without dead ends: 1538 [2020-10-29 04:49:22,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-29 04:49:22,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2020-10-29 04:49:22,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1504. [2020-10-29 04:49:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2020-10-29 04:49:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1706 transitions. [2020-10-29 04:49:22,604 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1706 transitions. Word has length 253 [2020-10-29 04:49:22,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:22,604 INFO L481 AbstractCegarLoop]: Abstraction has 1504 states and 1706 transitions. [2020-10-29 04:49:22,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:49:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1706 transitions. [2020-10-29 04:49:22,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-29 04:49:22,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:22,612 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-29 04:49:22,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 04:49:22,612 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:22,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:22,613 INFO L82 PathProgramCache]: Analyzing trace with hash 396637483, now seen corresponding path program 1 times [2020-10-29 04:49:22,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:22,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [819921971] [2020-10-29 04:49:22,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:22,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:22,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:22,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:23,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:27,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:27,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-29 04:49:27,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:49:27,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 04:49:27,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:27,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-29 04:49:27,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 04:49:27,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:27,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:27,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:27,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:27,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:27,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:27,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 04:49:27,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:27,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:27,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:27,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:27,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 04:49:27,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:27,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 04:49:27,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:27,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:27,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:27,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:27,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:27,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:27,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 04:49:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:27,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:27,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:27,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 04:49:27,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:27,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 04:49:27,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:27,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 04:49:27,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:27,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 04:49:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:27,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:27,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:27,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 04:49:27,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 04:49:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:27,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:49:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-29 04:49:28,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [819921971] [2020-10-29 04:49:28,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:28,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:49:28,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869343251] [2020-10-29 04:49:28,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:49:28,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:28,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:49:28,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:49:28,128 INFO L87 Difference]: Start difference. First operand 1504 states and 1706 transitions. Second operand 7 states. [2020-10-29 04:49:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:30,802 INFO L93 Difference]: Finished difference Result 3241 states and 3869 transitions. [2020-10-29 04:49:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 04:49:30,807 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 274 [2020-10-29 04:49:30,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:30,819 INFO L225 Difference]: With dead ends: 3241 [2020-10-29 04:49:30,819 INFO L226 Difference]: Without dead ends: 2029 [2020-10-29 04:49:30,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-29 04:49:30,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2020-10-29 04:49:30,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1950. [2020-10-29 04:49:30,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2020-10-29 04:49:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2190 transitions. [2020-10-29 04:49:30,896 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2190 transitions. Word has length 274 [2020-10-29 04:49:30,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:30,897 INFO L481 AbstractCegarLoop]: Abstraction has 1950 states and 2190 transitions. [2020-10-29 04:49:30,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:49:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2190 transitions. [2020-10-29 04:49:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-10-29 04:49:30,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 04:49:30,906 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 04:49:30,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 04:49:30,907 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 04:49:30,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 04:49:30,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1790208555, now seen corresponding path program 1 times [2020-10-29 04:49:30,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 04:49:30,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333863671] [2020-10-29 04:49:30,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 04:49:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:30,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:31,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:31,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:32,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:35,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:35,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-29 04:49:35,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 04:49:35,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 04:49:35,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:35,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:35,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:35,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 04:49:35,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:35,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:36,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 04:49:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:36,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:36,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:36,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 04:49:36,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:36,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 04:49:36,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:36,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:36,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 04:49:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 04:49:36,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 04:49:36,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 04:49:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:36,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:36,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 04:49:36,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:36,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 04:49:36,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:36,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 04:49:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 04:49:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 04:49:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:36,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 04:49:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 04:49:36,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 04:49:36,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 04:49:36,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 04:49:36,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 04:49:36,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 04:49:36,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 04:49:36,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 04:49:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 04:49:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 04:49:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 04:49:36,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 04:49:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 204 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 04:49:36,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333863671] [2020-10-29 04:49:36,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 04:49:36,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 04:49:36,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598206490] [2020-10-29 04:49:36,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 04:49:36,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 04:49:36,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 04:49:36,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 04:49:36,542 INFO L87 Difference]: Start difference. First operand 1950 states and 2190 transitions. Second operand 7 states. [2020-10-29 04:49:38,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 04:49:38,188 INFO L93 Difference]: Finished difference Result 3026 states and 3396 transitions. [2020-10-29 04:49:38,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 04:49:38,189 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 294 [2020-10-29 04:49:38,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 04:49:38,189 INFO L225 Difference]: With dead ends: 3026 [2020-10-29 04:49:38,189 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 04:49:38,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-29 04:49:38,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 04:49:38,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 04:49:38,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 04:49:38,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 04:49:38,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 294 [2020-10-29 04:49:38,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 04:49:38,196 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 04:49:38,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 04:49:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 04:49:38,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 04:49:38,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 04:49:38,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 04:49:39,180 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 153 [2020-10-29 04:49:39,640 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 153 [2020-10-29 04:49:39,793 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2020-10-29 04:49:40,048 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-10-29 04:49:41,334 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 148 DAG size of output: 62 [2020-10-29 04:49:42,052 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 49 [2020-10-29 04:49:42,685 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 49 [2020-10-29 04:49:42,690 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 04:49:42,690 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 04:49:42,691 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 04:49:42,691 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 04:49:42,691 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:49:42,691 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-29 04:49:42,691 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:49:42,691 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-29 04:49:42,691 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-29 04:49:42,692 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-29 04:49:42,693 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-29 04:49:42,694 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-29 04:49:42,695 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-29 04:49:42,696 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-29 04:49:42,697 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,698 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-29 04:49:42,699 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-29 04:49:42,700 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:49:42,701 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:49:42,702 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-29 04:49:42,703 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-29 04:49:42,704 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,705 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-29 04:49:42,706 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-29 04:49:42,706 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-29 04:49:42,706 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-29 04:49:42,706 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-29 04:49:42,706 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-29 04:49:42,706 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-29 04:49:42,706 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse12 (= ~a19~0 1)) (.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse14 (= ~a19~0 0)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a11~0 |old(~a11~0)|)) (.cse15 (= ~a25~0 |old(~a25~0)|))) (let ((.cse4 (and .cse9 .cse14 .cse10 .cse11 .cse15)) (.cse8 (not (<= |old(~a17~0)| 7))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse3 (and .cse9 .cse10 .cse11 .cse12 .cse15)) (.cse6 (not (= |old(~a11~0)| 1))) (.cse7 (not (= |old(~a25~0)| 1))) (.cse13 (= ~a25~0 1)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse2 (not (= 0 |old(~a11~0)|))) (.cse5 (not (= 0 |old(~a19~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse13)) (or .cse4 .cse5 .cse8) (or .cse0 .cse1 (not (<= 8 |old(~a17~0)|)) .cse3 .cse6) (or .cse0 .cse2 .cse5 (and .cse14 .cse10 .cse11 .cse15 (= ~a28~0 8)) (not (= 8 |old(~a28~0)|))) (or .cse7 .cse0 (not (<= |old(~a28~0)| 10)) (and .cse9 .cse14 .cse10 .cse11 .cse13) .cse2 .cse5) (or .cse0 .cse2 .cse5 (not (= 7 |old(~a28~0)|)) (and .cse14 .cse10 .cse11 .cse15 (= 7 ~a28~0)))))) [2020-10-29 04:49:42,706 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,707 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-29 04:49:42,708 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-29 04:49:42,709 INFO L270 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~a19~0)|))) (.cse4 (not (= |old(~a25~0)| 1))) (.cse1 (not (<= |old(~a17~0)| 7))) (.cse3 (not (= 0 |old(~a11~0)|))) (.cse2 (not (<= |old(~a17~0)| 8))) (.cse6 (not (= |old(~a19~0)| 1))) (.cse5 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 7 |old(~a28~0)|))) (or .cse4 .cse2 (not (<= |old(~a28~0)| 10)) .cse3 .cse0) (or .cse2 .cse0 .cse5) (or .cse2 .cse3 .cse0 (not (= 8 |old(~a28~0)|))) (or .cse4 .cse6 .cse1) (or .cse2 .cse6 .cse3) (or .cse2 .cse6 (not (<= 8 |old(~a17~0)|)) .cse5))) [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-29 04:49:42,710 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-29 04:49:42,711 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-29 04:49:42,712 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-29 04:49:42,712 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 04:49:42,712 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= 8 ~a17~0) (= 7 ~a28~0) (= ~a11~0 0) (<= ~a17~0 8) (not (= ~a25~0 1))) [2020-10-29 04:49:42,712 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 04:49:42,712 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 04:49:42,712 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse2 (= ~a11~0 0)) (.cse5 (= ~a19~0 1)) (.cse1 (= ~a25~0 1)) (.cse4 (<= ~a17~0 7)) (.cse0 (= ~a19~0 0)) (.cse6 (= ~a11~0 1)) (.cse3 (<= ~a17~0 8))) (or (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (= |old(~a25~0)| 1) (and .cse0 .cse1 .cse2 .cse3 (<= ~a28~0 10)) (not (<= |old(~a17~0)| 8)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse4) (and .cse5 .cse2 .cse4) (and .cse0 .cse2 (= ~a28~0 8) .cse3) (and .cse5 (<= 8 ~a17~0) .cse6 .cse3) (and .cse0 (= 7 ~a28~0) .cse2 .cse3) (and (= ~a17~0 |old(~a17~0)|) .cse5 .cse2) (and .cse5 .cse1 .cse4) (and .cse0 .cse6 .cse3) (not (= 7 |old(~a28~0)|)))) [2020-10-29 04:49:42,712 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (= |old(~a25~0)| 1) (and (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= 7 ~a28~0)) (not (= 7 |old(~a28~0)|))) [2020-10-29 04:49:42,713 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:49:42,713 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-29 04:49:42,713 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse2 (= ~a11~0 0)) (.cse5 (= ~a19~0 1)) (.cse1 (= ~a25~0 1)) (.cse4 (<= ~a17~0 7)) (.cse0 (= ~a19~0 0)) (.cse6 (= ~a11~0 1)) (.cse3 (<= ~a17~0 8))) (or (not (<= 8 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (= |old(~a25~0)| 1) (and .cse0 .cse1 .cse2 .cse3 (<= ~a28~0 10)) (not (<= |old(~a17~0)| 8)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse4) (and .cse5 .cse2 .cse4) (and .cse0 .cse2 (= ~a28~0 8) .cse3) (and .cse5 (<= 8 ~a17~0) .cse6 .cse3) (and .cse0 (= 7 ~a28~0) .cse2 .cse3) (and (= ~a17~0 |old(~a17~0)|) .cse5 .cse2) (and .cse5 .cse1 .cse4) (and .cse0 .cse6 .cse3) (not (= 7 |old(~a28~0)|)))) [2020-10-29 04:49:42,713 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-29 04:49:42,713 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-29 04:49:42,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:49:42 BoogieIcfgContainer [2020-10-29 04:49:42,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 04:49:42,738 INFO L168 Benchmark]: Toolchain (without parser) took 66816.65 ms. Allocated memory was 166.7 MB in the beginning and 822.1 MB in the end (delta: 655.4 MB). Free memory was 141.0 MB in the beginning and 726.0 MB in the end (delta: -585.0 MB). Peak memory consumption was 493.7 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:42,738 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 166.7 MB. Free memory is still 141.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 04:49:42,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.75 ms. Allocated memory is still 166.7 MB. Free memory was 140.1 MB in the beginning and 114.5 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:42,740 INFO L168 Benchmark]: Boogie Preprocessor took 135.92 ms. Allocated memory is still 166.7 MB. Free memory was 114.5 MB in the beginning and 109.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:42,740 INFO L168 Benchmark]: RCFGBuilder took 1516.38 ms. Allocated memory is still 166.7 MB. Free memory was 109.4 MB in the beginning and 59.1 MB in the end (delta: 50.3 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:42,741 INFO L168 Benchmark]: TraceAbstraction took 64428.15 ms. Allocated memory was 166.7 MB in the beginning and 822.1 MB in the end (delta: 655.4 MB). Free memory was 58.5 MB in the beginning and 726.0 MB in the end (delta: -667.4 MB). Peak memory consumption was 410.0 MB. Max. memory is 8.0 GB. [2020-10-29 04:49:42,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 166.7 MB. Free memory is still 141.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 724.75 ms. Allocated memory is still 166.7 MB. Free memory was 140.1 MB in the beginning and 114.5 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 135.92 ms. Allocated memory is still 166.7 MB. Free memory was 114.5 MB in the beginning and 109.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1516.38 ms. Allocated memory is still 166.7 MB. Free memory was 109.4 MB in the beginning and 59.1 MB in the end (delta: 50.3 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 64428.15 ms. Allocated memory was 166.7 MB in the beginning and 822.1 MB in the end (delta: 655.4 MB). Free memory was 58.5 MB in the beginning and 726.0 MB in the end (delta: -667.4 MB). Peak memory consumption was 410.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((((((!(8 <= \old(a17)) || !(\old(a19) == 1)) || \old(a25) == 1) || ((((a19 == 0 && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || !(\old(a17) <= 8)) || !(0 == \old(a11))) || (a19 == 0 && a17 <= 7)) || ((a19 == 1 && a11 == 0) && a17 <= 7)) || (((a19 == 0 && a11 == 0) && a28 == 8) && a17 <= 8)) || (((a19 == 1 && 8 <= a17) && a11 == 1) && a17 <= 8)) || (((a19 == 0 && 7 == a28) && a11 == 0) && a17 <= 8)) || ((a17 == \old(a17) && a19 == 1) && a11 == 0)) || ((a19 == 1 && a25 == 1) && a17 <= 7)) || ((a19 == 0 && a11 == 1) && a17 <= 8)) || !(7 == \old(a28)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 59.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 24.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 447 SDtfs, 5132 SDslu, 513 SDs, 0 SdLazy, 11015 SolverSat, 1462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1950occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 643 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 195 PreInvPairs, 229 NumberOfFragments, 766 HoareAnnotationTreeSize, 195 FomulaSimplifications, 320888 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5774 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 32.9s InterpolantComputationTime, 2417 NumberOfCodeBlocks, 2417 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2406 ConstructedInterpolants, 0 QuantifiedInterpolants, 1415625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 971/986 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...