/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:30:07,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:30:07,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:30:08,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:30:08,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:30:08,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:30:08,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:30:08,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:30:08,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:30:08,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:30:08,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:30:08,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:30:08,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:30:08,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:30:08,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:30:08,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:30:08,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:30:08,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:30:08,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:30:08,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:30:08,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:30:08,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:30:08,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:30:08,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:30:08,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:30:08,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:30:08,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:30:08,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:30:08,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:30:08,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:30:08,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:30:08,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:30:08,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:30:08,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:30:08,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:30:08,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:30:08,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:30:08,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:30:08,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:30:08,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:30:08,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:30:08,094 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 [2020-10-27 17:30:08,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:30:08,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:30:08,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:30:08,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:30:08,159 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:30:08,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:30:08,159 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:30:08,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:30:08,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:30:08,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:30:08,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:30:08,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:30:08,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:30:08,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:30:08,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:30:08,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:30:08,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:30:08,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:30:08,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:30:08,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:30:08,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:30:08,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:30:08,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:30:08,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:30:08,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:30:08,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:30:08,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:30:08,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:30:08,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:30:08,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:30:08,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:30:08,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:30:08,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:30:08,621 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:30:08,622 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:30:08,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label10.c [2020-10-27 17:30:08,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b479b66e0/56a14394d118497f835fa1bf153d51b7/FLAGd41e6abe9 [2020-10-27 17:30:09,424 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:30:09,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label10.c [2020-10-27 17:30:09,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b479b66e0/56a14394d118497f835fa1bf153d51b7/FLAGd41e6abe9 [2020-10-27 17:30:09,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b479b66e0/56a14394d118497f835fa1bf153d51b7 [2020-10-27 17:30:09,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:30:09,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:30:09,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:30:09,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:30:09,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:30:09,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:30:09" (1/1) ... [2020-10-27 17:30:09,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f995c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:09, skipping insertion in model container [2020-10-27 17:30:09,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:30:09" (1/1) ... [2020-10-27 17:30:09,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:30:09,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:30:10,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:30:10,281 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:30:10,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:30:10,517 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:30:10,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10 WrapperNode [2020-10-27 17:30:10,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:30:10,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:30:10,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:30:10,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:30:10,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10" (1/1) ... [2020-10-27 17:30:10,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10" (1/1) ... [2020-10-27 17:30:10,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10" (1/1) ... [2020-10-27 17:30:10,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10" (1/1) ... [2020-10-27 17:30:10,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10" (1/1) ... [2020-10-27 17:30:10,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10" (1/1) ... [2020-10-27 17:30:10,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10" (1/1) ... [2020-10-27 17:30:10,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:30:10,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:30:10,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:30:10,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:30:10,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:30:10,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:30:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:30:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:30:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:30:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:30:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:30:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:30:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:30:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:30:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:30:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:30:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:30:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:30:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:30:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:30:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:30:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:30:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:30:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:30:12,574 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:30:12,575 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:30:12,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:30:12 BoogieIcfgContainer [2020-10-27 17:30:12,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:30:12,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:30:12,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:30:12,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:30:12,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:30:09" (1/3) ... [2020-10-27 17:30:12,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b7be75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:30:12, skipping insertion in model container [2020-10-27 17:30:12,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:30:10" (2/3) ... [2020-10-27 17:30:12,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b7be75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:30:12, skipping insertion in model container [2020-10-27 17:30:12,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:30:12" (3/3) ... [2020-10-27 17:30:12,586 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label10.c [2020-10-27 17:30:12,597 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:30:12,603 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:30:12,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:30:12,644 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:30:12,644 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:30:12,644 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:30:12,644 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:30:12,645 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:30:12,645 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:30:12,645 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:30:12,645 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:30:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:30:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 17:30:12,674 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:12,675 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] [2020-10-27 17:30:12,676 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:12,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:12,682 INFO L82 PathProgramCache]: Analyzing trace with hash -15487626, now seen corresponding path program 1 times [2020-10-27 17:30:12,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:12,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792614299] [2020-10-27 17:30:12,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:12,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:13,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:13,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 17:30:13,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:13,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-27 17:30:13,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:30:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:30:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 17:30:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:30:13,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:13,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:13,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:13,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:13,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:13,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 17:30:13,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:30:13,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:13,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792614299] [2020-10-27 17:30:13,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:30:13,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:30:13,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040277255] [2020-10-27 17:30:13,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:30:13,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:13,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:30:13,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:30:13,575 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-27 17:30:16,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:16,600 INFO L93 Difference]: Finished difference Result 810 states and 1408 transitions. [2020-10-27 17:30:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:16,602 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-27 17:30:16,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:16,632 INFO L225 Difference]: With dead ends: 810 [2020-10-27 17:30:16,634 INFO L226 Difference]: Without dead ends: 434 [2020-10-27 17:30:16,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:16,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-27 17:30:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 425. [2020-10-27 17:30:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-27 17:30:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 612 transitions. [2020-10-27 17:30:16,722 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 612 transitions. Word has length 29 [2020-10-27 17:30:16,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:16,723 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 612 transitions. [2020-10-27 17:30:16,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:30:16,723 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 612 transitions. [2020-10-27 17:30:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-27 17:30:16,728 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:16,729 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:16,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:30:16,729 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:16,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:16,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1827826683, now seen corresponding path program 1 times [2020-10-27 17:30:16,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:16,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186300456] [2020-10-27 17:30:16,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:16,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:17,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:18,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:18,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 17:30:18,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:30:18,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1262 [2020-10-27 17:30:18,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:30:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 17:30:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:30:18,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:18,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:18,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:18,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:18,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:18,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 17:30:18,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:18,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:18,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:18,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:18,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:18,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:18,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:18,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:18,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:30:18,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:18,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 17:30:18,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:18,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:18,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:30:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:18,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186300456] [2020-10-27 17:30:18,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:18,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:30:18,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354422891] [2020-10-27 17:30:18,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:30:18,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:18,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:30:18,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:18,619 INFO L87 Difference]: Start difference. First operand 425 states and 612 transitions. Second operand 6 states. [2020-10-27 17:30:19,155 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:30:20,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:20,990 INFO L93 Difference]: Finished difference Result 678 states and 1008 transitions. [2020-10-27 17:30:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:20,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2020-10-27 17:30:20,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:20,995 INFO L225 Difference]: With dead ends: 678 [2020-10-27 17:30:20,995 INFO L226 Difference]: Without dead ends: 431 [2020-10-27 17:30:20,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:20,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-10-27 17:30:21,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2020-10-27 17:30:21,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-27 17:30:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 610 transitions. [2020-10-27 17:30:21,029 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 610 transitions. Word has length 101 [2020-10-27 17:30:21,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:21,029 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 610 transitions. [2020-10-27 17:30:21,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:30:21,029 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 610 transitions. [2020-10-27 17:30:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-27 17:30:21,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:21,034 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:21,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:30:21,034 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:21,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:21,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1562617657, now seen corresponding path program 1 times [2020-10-27 17:30:21,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:21,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196676528] [2020-10-27 17:30:21,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:21,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:21,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:22,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:22,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 17:30:22,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:22,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1330 [2020-10-27 17:30:22,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 17:30:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 17:30:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:22,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:22,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:22,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:22,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:22,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:22,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:22,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:22,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:22,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:22,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:22,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:22,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:22,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:30:22,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:22,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 17:30:22,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:22,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:22,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:22,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 17:30:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:22,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196676528] [2020-10-27 17:30:22,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:22,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:30:22,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178593606] [2020-10-27 17:30:22,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:30:22,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:22,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:30:22,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:22,768 INFO L87 Difference]: Start difference. First operand 425 states and 610 transitions. Second operand 6 states. [2020-10-27 17:30:26,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:26,825 INFO L93 Difference]: Finished difference Result 1639 states and 2390 transitions. [2020-10-27 17:30:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:30:26,827 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2020-10-27 17:30:26,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:26,837 INFO L225 Difference]: With dead ends: 1639 [2020-10-27 17:30:26,837 INFO L226 Difference]: Without dead ends: 1220 [2020-10-27 17:30:26,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:30:26,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2020-10-27 17:30:26,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1007. [2020-10-27 17:30:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1007 states. [2020-10-27 17:30:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1396 transitions. [2020-10-27 17:30:26,888 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1396 transitions. Word has length 102 [2020-10-27 17:30:26,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:26,889 INFO L481 AbstractCegarLoop]: Abstraction has 1007 states and 1396 transitions. [2020-10-27 17:30:26,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:30:26,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1396 transitions. [2020-10-27 17:30:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 17:30:26,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:26,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:26,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:30:26,896 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:26,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:26,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1684495769, now seen corresponding path program 1 times [2020-10-27 17:30:26,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:26,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474527575] [2020-10-27 17:30:26,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:26,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:27,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:27,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 17:30:27,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:27,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-27 17:30:27,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:30:27,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:30:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 17:30:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:30:27,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:27,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:27,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:27,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:27,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:27,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 17:30:27,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:27,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:27,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:30:27,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:27,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:27,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:27,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:27,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:27,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:27,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-27 17:30:27,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:27,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:27,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:27,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474527575] [2020-10-27 17:30:27,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:30:27,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 17:30:27,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791763126] [2020-10-27 17:30:27,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:27,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:27,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:27,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:27,917 INFO L87 Difference]: Start difference. First operand 1007 states and 1396 transitions. Second operand 7 states. [2020-10-27 17:30:30,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:30,957 INFO L93 Difference]: Finished difference Result 1842 states and 2631 transitions. [2020-10-27 17:30:30,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:30:30,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-10-27 17:30:30,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:30,967 INFO L225 Difference]: With dead ends: 1842 [2020-10-27 17:30:30,967 INFO L226 Difference]: Without dead ends: 841 [2020-10-27 17:30:30,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:30:30,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2020-10-27 17:30:31,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 819. [2020-10-27 17:30:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2020-10-27 17:30:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1155 transitions. [2020-10-27 17:30:31,017 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1155 transitions. Word has length 123 [2020-10-27 17:30:31,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:31,018 INFO L481 AbstractCegarLoop]: Abstraction has 819 states and 1155 transitions. [2020-10-27 17:30:31,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1155 transitions. [2020-10-27 17:30:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-27 17:30:31,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:31,027 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:31,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:30:31,027 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:31,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:31,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1236817154, now seen corresponding path program 1 times [2020-10-27 17:30:31,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:31,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741262042] [2020-10-27 17:30:31,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:31,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:31,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:32,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:32,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:32,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-27 17:30:32,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:30:32,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1613 [2020-10-27 17:30:32,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-27 17:30:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 17:30:32,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:32,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:32,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:32,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:32,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:32,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:30:32,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:32,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:32,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:32,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:33,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:33,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-27 17:30:33,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:33,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-27 17:30:33,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:33,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:33,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 17:30:33,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:30:33,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741262042] [2020-10-27 17:30:33,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:33,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:33,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882438926] [2020-10-27 17:30:33,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:33,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:33,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:33,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:33,264 INFO L87 Difference]: Start difference. First operand 819 states and 1155 transitions. Second operand 5 states. [2020-10-27 17:30:35,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:35,822 INFO L93 Difference]: Finished difference Result 2032 states and 3057 transitions. [2020-10-27 17:30:35,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:35,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 192 [2020-10-27 17:30:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:35,832 INFO L225 Difference]: With dead ends: 2032 [2020-10-27 17:30:35,832 INFO L226 Difference]: Without dead ends: 1407 [2020-10-27 17:30:35,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:35,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2020-10-27 17:30:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1209. [2020-10-27 17:30:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-10-27 17:30:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1641 transitions. [2020-10-27 17:30:35,876 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1641 transitions. Word has length 192 [2020-10-27 17:30:35,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:35,877 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 1641 transitions. [2020-10-27 17:30:35,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1641 transitions. [2020-10-27 17:30:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-27 17:30:35,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:35,882 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:35,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:30:35,883 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:35,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:35,883 INFO L82 PathProgramCache]: Analyzing trace with hash -281635374, now seen corresponding path program 1 times [2020-10-27 17:30:35,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:35,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927864574] [2020-10-27 17:30:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:35,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:36,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-27 17:30:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:30:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:36,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:36,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:36,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:36,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:36,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 17:30:36,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:36,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:36,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:36,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:36,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:36,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:36,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:36,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:36,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:30:36,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:36,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 17:30:36,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-27 17:30:36,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:36,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:30:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:36,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:37,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:37,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:37,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-27 17:30:37,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:37,275 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:30:37,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927864574] [2020-10-27 17:30:37,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:37,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:30:37,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589279996] [2020-10-27 17:30:37,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:30:37,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:37,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:30:37,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:30:37,279 INFO L87 Difference]: Start difference. First operand 1209 states and 1641 transitions. Second operand 8 states. [2020-10-27 17:30:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:42,271 INFO L93 Difference]: Finished difference Result 3410 states and 4895 transitions. [2020-10-27 17:30:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:30:42,273 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-10-27 17:30:42,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:42,289 INFO L225 Difference]: With dead ends: 3410 [2020-10-27 17:30:42,289 INFO L226 Difference]: Without dead ends: 2395 [2020-10-27 17:30:42,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:30:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2020-10-27 17:30:42,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2193. [2020-10-27 17:30:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2193 states. [2020-10-27 17:30:42,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 2986 transitions. [2020-10-27 17:30:42,368 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 2986 transitions. Word has length 239 [2020-10-27 17:30:42,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:42,369 INFO L481 AbstractCegarLoop]: Abstraction has 2193 states and 2986 transitions. [2020-10-27 17:30:42,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:30:42,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2986 transitions. [2020-10-27 17:30:42,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-27 17:30:42,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:42,375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:42,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:30:42,375 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:42,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:42,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1670707034, now seen corresponding path program 1 times [2020-10-27 17:30:42,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:42,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385615322] [2020-10-27 17:30:42,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:42,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:43,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:43,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-27 17:30:43,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:43,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 561 [2020-10-27 17:30:43,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-10-27 17:30:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:30:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:43,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:43,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:43,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:43,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:43,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:43,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:43,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:43,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:43,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:43,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:43,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:43,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:43,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:30:43,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:43,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-27 17:30:43,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:43,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:43,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:43,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 17:30:43,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:43,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 17:30:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:43,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:43,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:43,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:43,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:43,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 17:30:43,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:43,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:30:43,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385615322] [2020-10-27 17:30:43,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:43,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:30:43,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424979257] [2020-10-27 17:30:43,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:30:43,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:43,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:30:43,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:30:43,758 INFO L87 Difference]: Start difference. First operand 2193 states and 2986 transitions. Second operand 7 states. [2020-10-27 17:30:48,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:48,115 INFO L93 Difference]: Finished difference Result 5195 states and 7247 transitions. [2020-10-27 17:30:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:30:48,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 249 [2020-10-27 17:30:48,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:48,138 INFO L225 Difference]: With dead ends: 5195 [2020-10-27 17:30:48,139 INFO L226 Difference]: Without dead ends: 3196 [2020-10-27 17:30:48,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:30:48,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2020-10-27 17:30:48,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 2995. [2020-10-27 17:30:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-27 17:30:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3975 transitions. [2020-10-27 17:30:48,235 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3975 transitions. Word has length 249 [2020-10-27 17:30:48,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:48,236 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3975 transitions. [2020-10-27 17:30:48,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:30:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3975 transitions. [2020-10-27 17:30:48,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-27 17:30:48,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:48,242 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:30:48,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:30:48,242 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:48,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:48,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1954054545, now seen corresponding path program 1 times [2020-10-27 17:30:48,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:48,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265636065] [2020-10-27 17:30:48,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:48,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:48,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:48,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:48,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-27 17:30:48,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:48,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 540 [2020-10-27 17:30:48,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:48,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:48,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-10-27 17:30:48,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 17:30:48,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:48,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:48,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:48,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:48,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:48,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:48,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:30:48,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:48,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:48,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:48,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:48,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:49,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:49,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:49,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:30:49,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:49,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 17:30:49,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:49,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:49,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:30:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:49,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:49,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:49,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 17:30:49,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:49,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 17:30:49,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:49,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:49,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 17:30:49,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-27 17:30:49,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265636065] [2020-10-27 17:30:49,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:49,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:30:49,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027650966] [2020-10-27 17:30:49,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:30:49,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:49,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:30:49,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:30:49,364 INFO L87 Difference]: Start difference. First operand 2995 states and 3975 transitions. Second operand 5 states. [2020-10-27 17:30:51,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:51,344 INFO L93 Difference]: Finished difference Result 5818 states and 7819 transitions. [2020-10-27 17:30:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:30:51,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2020-10-27 17:30:51,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:51,363 INFO L225 Difference]: With dead ends: 5818 [2020-10-27 17:30:51,364 INFO L226 Difference]: Without dead ends: 3001 [2020-10-27 17:30:51,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:30:51,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2020-10-27 17:30:51,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 2995. [2020-10-27 17:30:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-10-27 17:30:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3957 transitions. [2020-10-27 17:30:51,460 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3957 transitions. Word has length 251 [2020-10-27 17:30:51,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:51,460 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3957 transitions. [2020-10-27 17:30:51,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:30:51,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3957 transitions. [2020-10-27 17:30:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-27 17:30:51,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:51,467 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:51,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:30:51,467 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:51,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:51,468 INFO L82 PathProgramCache]: Analyzing trace with hash -2116021327, now seen corresponding path program 1 times [2020-10-27 17:30:51,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:51,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201843601] [2020-10-27 17:30:51,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:51,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:51,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:51,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:53,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:53,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-27 17:30:53,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:30:53,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2418 [2020-10-27 17:30:53,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:53,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-27 17:30:53,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-27 17:30:53,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:54,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:30:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:54,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:54,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:54,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:30:54,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:54,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:30:54,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:54,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:30:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:30:54,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:30:54,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:30:54,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:30:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:54,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:54,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:54,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:54,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:30:54,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:30:54,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-27 17:30:54,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:30:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-27 17:30:54,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:30:54,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:54,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:30:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:54,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:30:54,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:30:54,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:30:54,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:30:54,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-27 17:30:54,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:30:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:30:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:30:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:30:54,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:30:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:30:54,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201843601] [2020-10-27 17:30:54,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:30:54,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:30:54,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888456941] [2020-10-27 17:30:54,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:30:54,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:30:54,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:30:54,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:30:54,798 INFO L87 Difference]: Start difference. First operand 2995 states and 3957 transitions. Second operand 8 states. [2020-10-27 17:30:59,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:30:59,418 INFO L93 Difference]: Finished difference Result 7342 states and 10174 transitions. [2020-10-27 17:30:59,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 17:30:59,418 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 254 [2020-10-27 17:30:59,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:30:59,442 INFO L225 Difference]: With dead ends: 7342 [2020-10-27 17:30:59,442 INFO L226 Difference]: Without dead ends: 4541 [2020-10-27 17:30:59,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-27 17:30:59,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4541 states. [2020-10-27 17:30:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4541 to 3393. [2020-10-27 17:30:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3393 states. [2020-10-27 17:30:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4543 transitions. [2020-10-27 17:30:59,562 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4543 transitions. Word has length 254 [2020-10-27 17:30:59,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:30:59,562 INFO L481 AbstractCegarLoop]: Abstraction has 3393 states and 4543 transitions. [2020-10-27 17:30:59,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:30:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4543 transitions. [2020-10-27 17:30:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-27 17:30:59,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:30:59,570 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:30:59,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:30:59,570 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:30:59,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:30:59,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1085529528, now seen corresponding path program 1 times [2020-10-27 17:30:59,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:30:59,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788990777] [2020-10-27 17:30:59,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:30:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:30:59,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:00,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:00,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-27 17:31:00,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:00,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 537 [2020-10-27 17:31:00,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:00,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-27 17:31:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:31:00,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:00,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:00,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:00,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:00,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:00,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:00,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:31:00,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:00,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:00,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:00,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:00,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:00,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:00,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 17:31:00,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-27 17:31:00,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:00,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-27 17:31:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:00,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 17:31:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:00,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:00,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:00,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:00,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:00,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-27 17:31:00,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:31:01,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788990777] [2020-10-27 17:31:01,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:01,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:01,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229981654] [2020-10-27 17:31:01,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:01,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:01,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:01,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:01,072 INFO L87 Difference]: Start difference. First operand 3393 states and 4543 transitions. Second operand 7 states. [2020-10-27 17:31:05,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:05,780 INFO L93 Difference]: Finished difference Result 7677 states and 10763 transitions. [2020-10-27 17:31:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:31:05,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 270 [2020-10-27 17:31:05,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:05,805 INFO L225 Difference]: With dead ends: 7677 [2020-10-27 17:31:05,805 INFO L226 Difference]: Without dead ends: 4478 [2020-10-27 17:31:05,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:31:05,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2020-10-27 17:31:05,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 4387. [2020-10-27 17:31:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4387 states. [2020-10-27 17:31:05,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 4387 states and 5746 transitions. [2020-10-27 17:31:05,992 INFO L78 Accepts]: Start accepts. Automaton has 4387 states and 5746 transitions. Word has length 270 [2020-10-27 17:31:05,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:05,993 INFO L481 AbstractCegarLoop]: Abstraction has 4387 states and 5746 transitions. [2020-10-27 17:31:05,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4387 states and 5746 transitions. [2020-10-27 17:31:06,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-27 17:31:06,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:06,002 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:31:06,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:31:06,002 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:06,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:06,003 INFO L82 PathProgramCache]: Analyzing trace with hash 419042680, now seen corresponding path program 1 times [2020-10-27 17:31:06,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:06,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830156160] [2020-10-27 17:31:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:06,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:06,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-27 17:31:08,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:31:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2272 [2020-10-27 17:31:08,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-10-27 17:31:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:31:08,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:08,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:31:08,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:08,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 17:31:08,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 17:31:08,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:08,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-27 17:31:08,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:08,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 17:31:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:08,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:08,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:08,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:08,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-27 17:31:08,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:31:09,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830156160] [2020-10-27 17:31:09,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:09,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:09,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282571715] [2020-10-27 17:31:09,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:09,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:09,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:09,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:09,133 INFO L87 Difference]: Start difference. First operand 4387 states and 5746 transitions. Second operand 7 states. [2020-10-27 17:31:12,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:12,986 INFO L93 Difference]: Finished difference Result 9174 states and 12295 transitions. [2020-10-27 17:31:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:31:12,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 278 [2020-10-27 17:31:12,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:13,013 INFO L225 Difference]: With dead ends: 9174 [2020-10-27 17:31:13,013 INFO L226 Difference]: Without dead ends: 5569 [2020-10-27 17:31:13,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:31:13,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5569 states. [2020-10-27 17:31:13,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5569 to 4961. [2020-10-27 17:31:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4961 states. [2020-10-27 17:31:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4961 states to 4961 states and 6502 transitions. [2020-10-27 17:31:13,175 INFO L78 Accepts]: Start accepts. Automaton has 4961 states and 6502 transitions. Word has length 278 [2020-10-27 17:31:13,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:13,176 INFO L481 AbstractCegarLoop]: Abstraction has 4961 states and 6502 transitions. [2020-10-27 17:31:13,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4961 states and 6502 transitions. [2020-10-27 17:31:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-27 17:31:13,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:13,185 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:31:13,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:31:13,185 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:13,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:13,186 INFO L82 PathProgramCache]: Analyzing trace with hash -158564953, now seen corresponding path program 1 times [2020-10-27 17:31:13,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:13,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574727265] [2020-10-27 17:31:13,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:13,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:13,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:14,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:16,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:16,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-10-27 17:31:16,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:31:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3270 [2020-10-27 17:31:16,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:31:16,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-27 17:31:16,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-27 17:31:16,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:16,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:16,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:16,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:16,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:16,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:16,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:31:16,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:16,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:16,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:16,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:16,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:16,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 17:31:16,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-27 17:31:16,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-27 17:31:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:16,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 17:31:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:17,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:17,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:17,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:17,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:17,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-27 17:31:17,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:31:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:17,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 114 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:31:17,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574727265] [2020-10-27 17:31:17,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:17,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:31:17,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941511596] [2020-10-27 17:31:17,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:31:17,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:17,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:31:17,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:31:17,361 INFO L87 Difference]: Start difference. First operand 4961 states and 6502 transitions. Second operand 8 states. [2020-10-27 17:31:22,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:22,452 INFO L93 Difference]: Finished difference Result 12666 states and 17699 transitions. [2020-10-27 17:31:22,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:31:22,453 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 282 [2020-10-27 17:31:22,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:22,486 INFO L225 Difference]: With dead ends: 12666 [2020-10-27 17:31:22,486 INFO L226 Difference]: Without dead ends: 8673 [2020-10-27 17:31:22,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:31:22,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8673 states. [2020-10-27 17:31:22,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8673 to 7672. [2020-10-27 17:31:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7672 states. [2020-10-27 17:31:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7672 states to 7672 states and 10090 transitions. [2020-10-27 17:31:22,731 INFO L78 Accepts]: Start accepts. Automaton has 7672 states and 10090 transitions. Word has length 282 [2020-10-27 17:31:22,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:22,732 INFO L481 AbstractCegarLoop]: Abstraction has 7672 states and 10090 transitions. [2020-10-27 17:31:22,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:31:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 7672 states and 10090 transitions. [2020-10-27 17:31:22,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-27 17:31:22,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:22,742 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:31:22,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 17:31:22,742 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:22,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:22,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1302461969, now seen corresponding path program 1 times [2020-10-27 17:31:22,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:22,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875756634] [2020-10-27 17:31:22,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:22,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:24,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:24,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-27 17:31:24,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:31:24,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1880 [2020-10-27 17:31:24,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-27 17:31:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:31:24,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:24,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:24,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:24,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:24,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:24,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:24,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:31:24,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:24,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:24,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:24,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:24,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:24,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-27 17:31:24,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:24,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 17:31:24,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:24,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:24,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:24,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 17:31:24,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:25,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-27 17:31:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:25,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:25,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:25,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:25,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:25,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-27 17:31:25,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:25,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:25,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:25,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:31:25,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875756634] [2020-10-27 17:31:25,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:25,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:25,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932911026] [2020-10-27 17:31:25,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:25,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:25,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:25,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:25,313 INFO L87 Difference]: Start difference. First operand 7672 states and 10090 transitions. Second operand 7 states. [2020-10-27 17:31:28,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:28,790 INFO L93 Difference]: Finished difference Result 15952 states and 21172 transitions. [2020-10-27 17:31:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:31:28,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 286 [2020-10-27 17:31:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:28,819 INFO L225 Difference]: With dead ends: 15952 [2020-10-27 17:31:28,819 INFO L226 Difference]: Without dead ends: 8664 [2020-10-27 17:31:28,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:31:28,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8664 states. [2020-10-27 17:31:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8664 to 8066. [2020-10-27 17:31:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8066 states. [2020-10-27 17:31:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8066 states to 8066 states and 10359 transitions. [2020-10-27 17:31:29,075 INFO L78 Accepts]: Start accepts. Automaton has 8066 states and 10359 transitions. Word has length 286 [2020-10-27 17:31:29,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:29,075 INFO L481 AbstractCegarLoop]: Abstraction has 8066 states and 10359 transitions. [2020-10-27 17:31:29,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 8066 states and 10359 transitions. [2020-10-27 17:31:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-27 17:31:29,087 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:29,088 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:31:29,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 17:31:29,088 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:29,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:29,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1151400753, now seen corresponding path program 1 times [2020-10-27 17:31:29,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:29,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167977044] [2020-10-27 17:31:29,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:29,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:29,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:29,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-27 17:31:29,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-27 17:31:29,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 317 [2020-10-27 17:31:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:31:29,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:29,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:29,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:29,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:29,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:29,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:29,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:31:29,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:29,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:29,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:29,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:29,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:29,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:31:29,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:29,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 17:31:29,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:29,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:29,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:29,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:31:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:29,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:30,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:30,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 17:31:30,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:30,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 17:31:30,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 17:31:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-27 17:31:30,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167977044] [2020-10-27 17:31:30,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:30,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:31:30,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527320290] [2020-10-27 17:31:30,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:31:30,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:30,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:31:30,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:31:30,266 INFO L87 Difference]: Start difference. First operand 8066 states and 10359 transitions. Second operand 5 states. [2020-10-27 17:31:32,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:32,866 INFO L93 Difference]: Finished difference Result 18053 states and 23356 transitions. [2020-10-27 17:31:32,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:31:32,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 335 [2020-10-27 17:31:32,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:32,903 INFO L225 Difference]: With dead ends: 18053 [2020-10-27 17:31:32,903 INFO L226 Difference]: Without dead ends: 10371 [2020-10-27 17:31:32,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:31:32,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10371 states. [2020-10-27 17:31:33,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10371 to 9981. [2020-10-27 17:31:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9981 states. [2020-10-27 17:31:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9981 states to 9981 states and 12793 transitions. [2020-10-27 17:31:33,155 INFO L78 Accepts]: Start accepts. Automaton has 9981 states and 12793 transitions. Word has length 335 [2020-10-27 17:31:33,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:33,156 INFO L481 AbstractCegarLoop]: Abstraction has 9981 states and 12793 transitions. [2020-10-27 17:31:33,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:31:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 9981 states and 12793 transitions. [2020-10-27 17:31:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-27 17:31:33,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:33,175 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:31:33,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 17:31:33,176 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:33,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:33,176 INFO L82 PathProgramCache]: Analyzing trace with hash 970329535, now seen corresponding path program 1 times [2020-10-27 17:31:33,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:33,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102341968] [2020-10-27 17:31:33,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:33,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:33,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:34,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:36,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:36,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 408 [2020-10-27 17:31:36,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:31:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3421 [2020-10-27 17:31:36,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-27 17:31:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:31:36,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:36,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:36,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:36,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:36,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:36,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:36,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:31:36,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:36,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:36,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:36,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:36,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:36,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 17:31:36,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:36,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 17:31:36,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:36,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:37,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 17:31:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:37,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:37,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:37,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-27 17:31:37,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:37,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 17:31:37,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:37,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 17:31:37,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:37,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-27 17:31:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:37,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:37,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:37,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:37,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:37,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 17:31:37,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:37,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:37,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:37,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:37,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-10-27 17:31:37,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102341968] [2020-10-27 17:31:37,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:37,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:37,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410288924] [2020-10-27 17:31:37,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:37,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:37,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:37,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:37,510 INFO L87 Difference]: Start difference. First operand 9981 states and 12793 transitions. Second operand 7 states. [2020-10-27 17:31:41,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:41,282 INFO L93 Difference]: Finished difference Result 21524 states and 27946 transitions. [2020-10-27 17:31:41,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:31:41,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 392 [2020-10-27 17:31:41,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:41,317 INFO L225 Difference]: With dead ends: 21524 [2020-10-27 17:31:41,318 INFO L226 Difference]: Without dead ends: 11927 [2020-10-27 17:31:41,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:31:41,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11927 states. [2020-10-27 17:31:41,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11927 to 10955. [2020-10-27 17:31:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10955 states. [2020-10-27 17:31:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10955 states to 10955 states and 13809 transitions. [2020-10-27 17:31:41,554 INFO L78 Accepts]: Start accepts. Automaton has 10955 states and 13809 transitions. Word has length 392 [2020-10-27 17:31:41,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:41,555 INFO L481 AbstractCegarLoop]: Abstraction has 10955 states and 13809 transitions. [2020-10-27 17:31:41,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 10955 states and 13809 transitions. [2020-10-27 17:31:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-10-27 17:31:41,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:41,574 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 17:31:41,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 17:31:41,574 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:41,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:41,575 INFO L82 PathProgramCache]: Analyzing trace with hash -2100408662, now seen corresponding path program 1 times [2020-10-27 17:31:41,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:41,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162426572] [2020-10-27 17:31:41,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:41,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:42,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:42,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:43,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:43,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 408 [2020-10-27 17:31:43,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:31:43,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2092 [2020-10-27 17:31:43,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 281 [2020-10-27 17:31:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:31:43,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:43,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:43,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:43,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:43,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:43,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:43,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:31:43,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:43,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:43,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:43,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:43,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:31:43,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:43,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 17:31:43,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:43,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:43,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:43,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:43,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:44,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:31:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:44,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:44,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:44,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 17:31:44,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-27 17:31:44,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 17:31:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:44,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-27 17:31:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:44,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:44,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:44,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:44,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:44,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 17:31:44,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:44,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:44,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-27 17:31:44,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162426572] [2020-10-27 17:31:44,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:44,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:44,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590064247] [2020-10-27 17:31:44,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:44,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:44,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:44,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:44,596 INFO L87 Difference]: Start difference. First operand 10955 states and 13809 transitions. Second operand 7 states. [2020-10-27 17:31:48,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:48,277 INFO L93 Difference]: Finished difference Result 21864 states and 28364 transitions. [2020-10-27 17:31:48,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:31:48,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 392 [2020-10-27 17:31:48,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:48,316 INFO L225 Difference]: With dead ends: 21864 [2020-10-27 17:31:48,316 INFO L226 Difference]: Without dead ends: 11098 [2020-10-27 17:31:48,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:31:48,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11098 states. [2020-10-27 17:31:48,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11098 to 10774. [2020-10-27 17:31:48,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10774 states. [2020-10-27 17:31:48,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10774 states to 10774 states and 13470 transitions. [2020-10-27 17:31:48,550 INFO L78 Accepts]: Start accepts. Automaton has 10774 states and 13470 transitions. Word has length 392 [2020-10-27 17:31:48,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:48,550 INFO L481 AbstractCegarLoop]: Abstraction has 10774 states and 13470 transitions. [2020-10-27 17:31:48,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:48,550 INFO L276 IsEmpty]: Start isEmpty. Operand 10774 states and 13470 transitions. [2020-10-27 17:31:48,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-10-27 17:31:48,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:48,567 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:31:48,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 17:31:48,568 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:48,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:48,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1420582354, now seen corresponding path program 1 times [2020-10-27 17:31:48,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:48,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1998865290] [2020-10-27 17:31:48,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:48,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:48,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:50,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:51,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:51,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 430 [2020-10-27 17:31:51,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:31:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3285 [2020-10-27 17:31:51,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 303 [2020-10-27 17:31:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:31:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:52,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:52,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:52,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:52,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:31:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:52,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:52,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:52,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:52,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 17:31:52,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:31:52,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:52,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:52,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 17:31:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:52,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:52,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:52,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 17:31:52,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:52,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 17:31:52,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-27 17:31:52,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:52,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-27 17:31:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:52,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:52,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:52,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:52,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 17:31:52,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-10-27 17:31:52,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1998865290] [2020-10-27 17:31:52,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:52,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:52,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991488475] [2020-10-27 17:31:52,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:52,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:52,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:52,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:52,782 INFO L87 Difference]: Start difference. First operand 10774 states and 13470 transitions. Second operand 7 states. [2020-10-27 17:31:56,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:56,076 INFO L93 Difference]: Finished difference Result 21758 states and 27223 transitions. [2020-10-27 17:31:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:31:56,077 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 414 [2020-10-27 17:31:56,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:56,106 INFO L225 Difference]: With dead ends: 21758 [2020-10-27 17:31:56,107 INFO L226 Difference]: Without dead ends: 11368 [2020-10-27 17:31:56,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:31:56,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11368 states. [2020-10-27 17:31:56,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11368 to 10962. [2020-10-27 17:31:56,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10962 states. [2020-10-27 17:31:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10962 states to 10962 states and 13648 transitions. [2020-10-27 17:31:56,345 INFO L78 Accepts]: Start accepts. Automaton has 10962 states and 13648 transitions. Word has length 414 [2020-10-27 17:31:56,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:56,346 INFO L481 AbstractCegarLoop]: Abstraction has 10962 states and 13648 transitions. [2020-10-27 17:31:56,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 10962 states and 13648 transitions. [2020-10-27 17:31:56,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-10-27 17:31:56,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:56,367 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:31:56,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 17:31:56,367 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:56,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:56,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1034043963, now seen corresponding path program 1 times [2020-10-27 17:31:56,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:56,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122238799] [2020-10-27 17:31:56,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:56,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:57,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:59,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:59,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 452 [2020-10-27 17:31:59,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:31:59,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2792 [2020-10-27 17:31:59,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:59,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:59,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-27 17:31:59,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:31:59,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:59,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:59,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:59,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:59,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:59,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:59,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:31:59,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:59,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:59,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:59,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:59,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:59,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:59,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 17:31:59,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 17:31:59,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:59,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:59,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:59,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:59,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 17:31:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:59,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:59,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:59,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 17:31:59,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 17:31:59,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-27 17:31:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:59,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-27 17:31:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:59,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:59,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:31:59,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-27 17:31:59,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:59,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:31:59,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-10-27 17:32:00,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122238799] [2020-10-27 17:32:00,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:00,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:32:00,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062283297] [2020-10-27 17:32:00,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:32:00,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:00,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:32:00,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:32:00,220 INFO L87 Difference]: Start difference. First operand 10962 states and 13648 transitions. Second operand 7 states. [2020-10-27 17:32:04,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:04,011 INFO L93 Difference]: Finished difference Result 22719 states and 28805 transitions. [2020-10-27 17:32:04,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:32:04,012 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 436 [2020-10-27 17:32:04,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:04,042 INFO L225 Difference]: With dead ends: 22719 [2020-10-27 17:32:04,042 INFO L226 Difference]: Without dead ends: 11565 [2020-10-27 17:32:04,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:32:04,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11565 states. [2020-10-27 17:32:04,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11565 to 11541. [2020-10-27 17:32:04,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11541 states. [2020-10-27 17:32:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11541 states to 11541 states and 14126 transitions. [2020-10-27 17:32:04,298 INFO L78 Accepts]: Start accepts. Automaton has 11541 states and 14126 transitions. Word has length 436 [2020-10-27 17:32:04,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:04,298 INFO L481 AbstractCegarLoop]: Abstraction has 11541 states and 14126 transitions. [2020-10-27 17:32:04,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:32:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 11541 states and 14126 transitions. [2020-10-27 17:32:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2020-10-27 17:32:04,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:04,315 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 17:32:04,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 17:32:04,315 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:04,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:04,316 INFO L82 PathProgramCache]: Analyzing trace with hash -477661632, now seen corresponding path program 1 times [2020-10-27 17:32:04,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:04,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25093902] [2020-10-27 17:32:04,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:04,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:04,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:05,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:06,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:06,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:06,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:07,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:07,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 453 [2020-10-27 17:32:07,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 17:32:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3410 [2020-10-27 17:32:07,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 325 [2020-10-27 17:32:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-27 17:32:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:07,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:07,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:07,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:07,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:07,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:07,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:32:07,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:07,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:08,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:08,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:08,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:08,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 17:32:08,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:08,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:08,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:08,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:08,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:08,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 17:32:08,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:32:08,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-27 17:32:08,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-10-27 17:32:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:32:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:08,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-27 17:32:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:08,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:08,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:08,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:32:08,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 17:32:08,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:32:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:32:08,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 250 proven. 2 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-27 17:32:09,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25093902] [2020-10-27 17:32:09,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:09,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:32:09,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947077548] [2020-10-27 17:32:09,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:32:09,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:09,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:32:09,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:32:09,048 INFO L87 Difference]: Start difference. First operand 11541 states and 14126 transitions. Second operand 8 states. [2020-10-27 17:32:10,085 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-27 17:32:13,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:13,777 INFO L93 Difference]: Finished difference Result 22721 states and 27868 transitions. [2020-10-27 17:32:13,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 17:32:13,778 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 437 [2020-10-27 17:32:13,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:13,802 INFO L225 Difference]: With dead ends: 22721 [2020-10-27 17:32:13,802 INFO L226 Difference]: Without dead ends: 11372 [2020-10-27 17:32:13,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2020-10-27 17:32:13,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11372 states. [2020-10-27 17:32:14,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11372 to 10964. [2020-10-27 17:32:14,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10964 states. [2020-10-27 17:32:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10964 states to 10964 states and 12955 transitions. [2020-10-27 17:32:14,212 INFO L78 Accepts]: Start accepts. Automaton has 10964 states and 12955 transitions. Word has length 437 [2020-10-27 17:32:14,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:14,213 INFO L481 AbstractCegarLoop]: Abstraction has 10964 states and 12955 transitions. [2020-10-27 17:32:14,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:32:14,213 INFO L276 IsEmpty]: Start isEmpty. Operand 10964 states and 12955 transitions. [2020-10-27 17:32:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-10-27 17:32:14,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:14,232 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 17:32:14,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 17:32:14,232 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:14,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:14,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1189907984, now seen corresponding path program 1 times [2020-10-27 17:32:14,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:14,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988544519] [2020-10-27 17:32:14,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:14,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:14,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:14,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:16,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:19,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:19,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 532 [2020-10-27 17:32:19,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:32:19,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4660 [2020-10-27 17:32:19,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 403 [2020-10-27 17:32:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:32:19,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:19,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:19,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:19,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:19,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:19,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:19,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:32:19,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:19,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:19,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:19,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:19,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:19,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 17:32:19,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 17:32:19,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:19,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 17:32:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:19,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:19,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:19,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:19,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:19,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 17:32:19,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:19,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:19,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-27 17:32:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:19,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:19,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:19,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 17:32:19,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 17:32:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-27 17:32:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:32:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:19,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2020-10-27 17:32:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:19,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:19,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:19,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:32:19,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:19,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 17:32:19,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:19,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:19,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-27 17:32:19,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:19,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2020-10-27 17:32:19,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988544519] [2020-10-27 17:32:19,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:19,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:19,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013525497] [2020-10-27 17:32:19,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:19,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:19,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:19,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:19,672 INFO L87 Difference]: Start difference. First operand 10964 states and 12955 transitions. Second operand 5 states. [2020-10-27 17:32:23,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:23,002 INFO L93 Difference]: Finished difference Result 24025 states and 28572 transitions. [2020-10-27 17:32:23,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:23,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 514 [2020-10-27 17:32:23,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:23,035 INFO L225 Difference]: With dead ends: 24025 [2020-10-27 17:32:23,035 INFO L226 Difference]: Without dead ends: 12867 [2020-10-27 17:32:23,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:32:23,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12867 states. [2020-10-27 17:32:23,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12867 to 12465. [2020-10-27 17:32:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12465 states. [2020-10-27 17:32:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12465 states to 12465 states and 14430 transitions. [2020-10-27 17:32:23,289 INFO L78 Accepts]: Start accepts. Automaton has 12465 states and 14430 transitions. Word has length 514 [2020-10-27 17:32:23,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:23,290 INFO L481 AbstractCegarLoop]: Abstraction has 12465 states and 14430 transitions. [2020-10-27 17:32:23,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 12465 states and 14430 transitions. [2020-10-27 17:32:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2020-10-27 17:32:23,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:23,312 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 17:32:23,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 17:32:23,312 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:23,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:23,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1944341320, now seen corresponding path program 1 times [2020-10-27 17:32:23,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:23,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729811984] [2020-10-27 17:32:23,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:23,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:24,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:25,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:25,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 622 [2020-10-27 17:32:25,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:32:25,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2391 [2020-10-27 17:32:25,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:25,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:25,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 590 [2020-10-27 17:32:25,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:32:25,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:25,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:26,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:26,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:26,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:26,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:26,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:32:26,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:26,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:26,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:26,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:26,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:26,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:26,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:26,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:26,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:26,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 17:32:26,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:26,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:26,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:26,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:26,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:26,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:26,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:26,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:26,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 17:32:26,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:26,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 17:32:26,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:26,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:26,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-27 17:32:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:26,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:26,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:26,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 17:32:26,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 17:32:26,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:26,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-27 17:32:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:26,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:26,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 17:32:26,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 17:32:26,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-27 17:32:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 89 proven. 4 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2020-10-27 17:32:26,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729811984] [2020-10-27 17:32:26,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:26,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:26,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732546223] [2020-10-27 17:32:26,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:26,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:26,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:26,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:26,841 INFO L87 Difference]: Start difference. First operand 12465 states and 14430 transitions. Second operand 5 states. [2020-10-27 17:32:26,984 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-27 17:32:29,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:29,549 INFO L93 Difference]: Finished difference Result 14954 states and 17317 transitions. [2020-10-27 17:32:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:29,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 604 [2020-10-27 17:32:29,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:29,576 INFO L225 Difference]: With dead ends: 14954 [2020-10-27 17:32:29,576 INFO L226 Difference]: Without dead ends: 14951 [2020-10-27 17:32:29,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:32:29,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14951 states. [2020-10-27 17:32:29,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14951 to 12659. [2020-10-27 17:32:29,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12659 states. [2020-10-27 17:32:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12659 states to 12659 states and 14708 transitions. [2020-10-27 17:32:29,829 INFO L78 Accepts]: Start accepts. Automaton has 12659 states and 14708 transitions. Word has length 604 [2020-10-27 17:32:29,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:29,829 INFO L481 AbstractCegarLoop]: Abstraction has 12659 states and 14708 transitions. [2020-10-27 17:32:29,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12659 states and 14708 transitions. [2020-10-27 17:32:29,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2020-10-27 17:32:29,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:29,846 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 17:32:29,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 17:32:29,846 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:29,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:29,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1036887290, now seen corresponding path program 1 times [2020-10-27 17:32:29,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:29,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743088778] [2020-10-27 17:32:29,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:30,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:30,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:30,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:30,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:30,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:31,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:31,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:31,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:32,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:32,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 627 [2020-10-27 17:32:32,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 17:32:32,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2511 [2020-10-27 17:32:32,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 595 [2020-10-27 17:32:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 17:32:32,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:32,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:32,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:32,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:32,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:32,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:32,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:32:32,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:32,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:32,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:32,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:32,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:32,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:32,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:32,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:32,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:32,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:32,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 17:32:32,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:32,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:32,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:32,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:32,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 17:32:32,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:32,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 17:32:32,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:32,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:32,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:32,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:32,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:32,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-27 17:32:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:32,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:32,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:32,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 17:32:32,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 17:32:32,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:32,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:32,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:32,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-27 17:32:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:33,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:33,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:33,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:33,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-27 17:32:33,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:32:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-27 17:32:33,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-10-27 17:32:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:32:33,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 89 proven. 4 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2020-10-27 17:32:33,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743088778] [2020-10-27 17:32:33,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:33,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:32:33,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832866905] [2020-10-27 17:32:33,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:32:33,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:33,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:32:33,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:32:33,389 INFO L87 Difference]: Start difference. First operand 12659 states and 14708 transitions. Second operand 6 states. [2020-10-27 17:32:35,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:35,540 INFO L93 Difference]: Finished difference Result 24756 states and 28793 transitions. [2020-10-27 17:32:35,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:35,543 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 609 [2020-10-27 17:32:35,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:35,571 INFO L225 Difference]: With dead ends: 24756 [2020-10-27 17:32:35,571 INFO L226 Difference]: Without dead ends: 12481 [2020-10-27 17:32:35,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:32:35,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12481 states. [2020-10-27 17:32:35,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12481 to 12451. [2020-10-27 17:32:35,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12451 states. [2020-10-27 17:32:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12451 states to 12451 states and 14434 transitions. [2020-10-27 17:32:35,935 INFO L78 Accepts]: Start accepts. Automaton has 12451 states and 14434 transitions. Word has length 609 [2020-10-27 17:32:35,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:35,936 INFO L481 AbstractCegarLoop]: Abstraction has 12451 states and 14434 transitions. [2020-10-27 17:32:35,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:32:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 12451 states and 14434 transitions. [2020-10-27 17:32:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2020-10-27 17:32:35,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:35,955 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:35,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 17:32:35,956 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:35,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:35,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1800213424, now seen corresponding path program 1 times [2020-10-27 17:32:35,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:35,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144473311] [2020-10-27 17:32:35,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:36,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:36,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:36,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:36,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:41,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:41,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 703 [2020-10-27 17:32:41,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:32:41,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-10-27 17:32:41,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:41,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:41,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 576 [2020-10-27 17:32:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:32:41,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:41,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:41,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:41,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:41,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:41,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:41,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:32:41,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:41,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:41,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:41,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:41,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:41,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:41,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:41,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:41,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:32:41,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 17:32:41,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:41,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 17:32:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:41,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:41,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:41,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:32:41,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:41,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 17:32:41,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:41,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:41,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 17:32:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:41,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:41,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:32:41,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:41,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:32:41,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:41,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:41,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:41,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-27 17:32:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:41,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:41,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:32:41,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 17:32:41,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-10-27 17:32:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:41,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:41,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:41,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 17:32:41,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:41,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 17:32:41,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:41,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:41,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 17:32:41,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:41,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-10-27 17:32:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:41,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:41,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:41,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 17:32:41,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:41,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 17:32:41,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:32:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 17:32:41,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:42,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 593 proven. 2 refuted. 0 times theorem prover too weak. 977 trivial. 0 not checked. [2020-10-27 17:32:42,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144473311] [2020-10-27 17:32:42,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:42,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:32:42,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822409167] [2020-10-27 17:32:42,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:32:42,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:42,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:32:42,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:32:42,497 INFO L87 Difference]: Start difference. First operand 12451 states and 14434 transitions. Second operand 7 states. [2020-10-27 17:32:46,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:46,245 INFO L93 Difference]: Finished difference Result 23979 states and 27813 transitions. [2020-10-27 17:32:46,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:32:46,252 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 681 [2020-10-27 17:32:46,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:46,253 INFO L225 Difference]: With dead ends: 23979 [2020-10-27 17:32:46,253 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:32:46,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:32:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:32:46,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:32:46,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:32:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:32:46,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 681 [2020-10-27 17:32:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:46,277 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:32:46,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:32:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:32:46,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:32:46,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 17:32:46,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:32:46,714 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2020-10-27 17:32:48,120 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-10-27 17:32:49,468 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 475 [2020-10-27 17:32:50,140 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 475 [2020-10-27 17:32:50,720 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2020-10-27 17:32:56,984 WARN L193 SmtUtils]: Spent 6.24 s on a formula simplification. DAG size of input: 556 DAG size of output: 128 [2020-10-27 17:33:00,312 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 455 DAG size of output: 85 [2020-10-27 17:33:03,620 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 455 DAG size of output: 85 [2020-10-27 17:33:06,076 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 309 DAG size of output: 110 [2020-10-27 17:33:06,081 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:33:06,081 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:33:06,081 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:33:06,082 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:33:06,082 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:33:06,082 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|)) [2020-10-27 17:33:06,082 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:33:06,082 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,083 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,083 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,083 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,083 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:33:06,083 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:33:06,083 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,083 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,084 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,085 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,086 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:33:06,087 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,088 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-27 17:33:06,089 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,090 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,091 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:33:06,092 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:33:06,093 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,093 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse21 (= 10 |old(~a25~0)|)) (.cse6 (= |old(~a4~0)| 1)) (.cse22 (= ~a25~0 |old(~a25~0)|)) (.cse18 (= ~a23~0 |old(~a23~0)|)) (.cse19 (= ~a29~0 |old(~a29~0)|)) (.cse20 (= ~a4~0 |old(~a4~0)|))) (let ((.cse14 (not (<= |old(~a29~0)| 243))) (.cse9 (not (<= |old(~a29~0)| 244))) (.cse15 (not (<= |old(~a29~0)| 220))) (.cse1 (not (<= 12 |old(~a25~0)|))) (.cse3 (not (<= |old(~a25~0)| 12))) (.cse4 (not (<= |old(~a23~0)| 243))) (.cse12 (not (= 13 |old(~a25~0)|))) (.cse11 (not (<= |old(~a29~0)| 206678))) (.cse16 (not (<= |old(~a25~0)| 9))) (.cse17 (not (<= 161 |old(~a23~0)|))) (.cse8 (not (= 11 |old(~a25~0)|))) (.cse5 (not (<= ~a8~0 15))) (.cse7 (and .cse22 .cse18 .cse19 .cse20)) (.cse0 (not .cse6)) (.cse2 (and .cse22 .cse18 .cse19 (= ~a4~0 1))) (.cse10 (not .cse21)) (.cse13 (not (<= (+ |old(~a23~0)| 43) 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse9 .cse2 .cse5 .cse10) (or .cse0 .cse5 .cse2 .cse11 .cse12 .cse13) (or .cse1 .cse5 .cse7 .cse14) (or .cse0 .cse1 .cse2 .cse14 .cse13) (or .cse5 .cse7 .cse15) (or .cse5 .cse11 .cse7 .cse8) (or .cse5 .cse11 .cse6 .cse7 .cse13) (or .cse9 .cse16 .cse5 .cse7) (or .cse0 .cse16 .cse5 .cse2) (or .cse0 .cse2 .cse10 .cse15 .cse13) (or .cse1 .cse5 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse10 .cse7 .cse13) (or .cse16 .cse5 .cse7 .cse13) (or .cse5 .cse6 .cse12 (not (<= |old(~a23~0)| 136)) .cse7) (or .cse0 .cse2 .cse5 .cse11 .cse17) (or .cse0 .cse16 .cse2 (not (<= 10250 |old(~a29~0)|)) .cse13) (or .cse0 .cse16 .cse2 (not (<= (+ |old(~a29~0)| 193243) 0))) (or .cse0 .cse2 .cse5 (not (<= 307 |old(~a23~0)|)) .cse10) (or .cse5 (and (= ~a25~0 11) .cse18 .cse19 .cse20) .cse17 .cse8) (or .cse21 .cse5 .cse6 .cse7 (not (<= 246 |old(~a29~0)|)) (not (<= |old(~a29~0)| 275))) (or .cse0 .cse2 (not (= ~a8~0 15)) .cse10 (not (<= 214883 |old(~a29~0)|)) .cse13 (not (= ~a3~0 1)))))) [2020-10-27 17:33:06,093 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,093 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:33:06,093 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,094 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,095 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,096 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-27 17:33:06,097 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,098 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,098 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,098 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,098 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,098 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,098 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,098 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 17:33:06,098 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-27 17:33:06,099 INFO L270 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: (let ((.cse6 (= |old(~a4~0)| 1)) (.cse16 (= 10 |old(~a25~0)|))) (let ((.cse7 (not (= 13 |old(~a25~0)|))) (.cse9 (not (<= |old(~a29~0)| 244))) (.cse12 (not (<= 161 |old(~a23~0)|))) (.cse11 (not (<= |old(~a29~0)| 243))) (.cse4 (not (<= |old(~a25~0)| 9))) (.cse2 (not (<= |old(~a29~0)| 220))) (.cse1 (not .cse16)) (.cse3 (not (<= (+ |old(~a23~0)| 43) 0))) (.cse0 (not .cse6)) (.cse10 (not (<= 12 |old(~a25~0)|))) (.cse14 (not (<= |old(~a25~0)| 12))) (.cse15 (not (<= |old(~a23~0)| 243))) (.cse8 (not (<= |old(~a29~0)| 206678))) (.cse13 (not (= 11 |old(~a25~0)|))) (.cse5 (not (<= ~a8~0 15)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse5 .cse6 .cse7 (not (<= |old(~a23~0)| 136))) (or .cse5 .cse8 .cse7 .cse3) (or .cse9 .cse4 .cse5) (or .cse0 .cse4 .cse5) (or .cse0 .cse10 .cse11 .cse3) (or .cse0 .cse5 (not (<= 307 |old(~a23~0)|)) .cse1) (or .cse0 .cse9 .cse5 .cse1) (or .cse5 .cse12 .cse13) (or .cse0 .cse4 (not (<= 10250 |old(~a29~0)|)) .cse3) (or .cse0 .cse5 .cse8 .cse12) (or .cse10 .cse5 .cse11) (or .cse0 .cse4 (not (<= (+ |old(~a29~0)| 193243) 0))) (or .cse5 .cse6 .cse13) (or .cse10 .cse5 .cse14 .cse15) (or .cse5 .cse8 .cse6 .cse3) (or .cse5 .cse2) (or .cse5 .cse6 .cse1 .cse3) (or (not (= ~a8~0 15)) .cse1 (not (<= 214883 |old(~a29~0)|)) .cse3 (not (= ~a3~0 1))) (or .cse0 .cse10 .cse14 .cse15) (or .cse5 .cse8 .cse13) (or .cse16 .cse5 .cse6 (not (<= 246 |old(~a29~0)|)) (not (<= |old(~a29~0)| 275)))))) [2020-10-27 17:33:06,099 INFO L274 CegarLoopResult]: For program point L74-1(line 74) no Hoare annotation was computed. [2020-10-27 17:33:06,099 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,099 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,099 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,099 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:33:06,099 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:33:06,099 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,099 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,099 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,100 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,101 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,102 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,103 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,104 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,105 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,106 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:33:06,107 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:33:06,108 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 10) (= ~a29~0 130) (<= ~a8~0 15) (= ~a4~0 1) (= ~a23~0 312)) [2020-10-27 17:33:06,108 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:33:06,109 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:33:06,109 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (= 312 |old(~a23~0)|)) (not (<= ~a8~0 15)) (not (= 130 |old(~a29~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 130) (= ~a4~0 1) (= ~a23~0 312)) (not (= 10 |old(~a25~0)|))) [2020-10-27 17:33:06,109 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:33:06,109 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse3 (= ~a4~0 1))) (let ((.cse2 (<= 161 ~a23~0)) (.cse0 (<= 12 ~a25~0)) (.cse10 (<= ~a29~0 244)) (.cse8 (= ~a25~0 11)) (.cse1 (<= ~a29~0 206678)) (.cse5 (<= (+ ~a23~0 43) 0)) (.cse7 (= ~a25~0 10)) (.cse6 (<= ~a25~0 9)) (.cse4 (= ~a25~0 13)) (.cse9 (not .cse3))) (or (and (<= ~a25~0 12) (<= ~a23~0 243) .cse0) (and .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5) (and .cse6 .cse5) (and .cse7 (= ~a8~0 15) (<= 214883 ~a29~0) .cse5 (= ~a3~0 1)) (and .cse8 .cse2) (and .cse8 .cse9) (and (<= ~a29~0 243) .cse0) (not (= |old(~a4~0)| 1)) (and .cse7 .cse9 .cse5) (and .cse7 (<= 307 ~a23~0) .cse3) (not (= 312 |old(~a23~0)|)) (and .cse7 .cse10 .cse3) (and .cse6 .cse10) (not (= 130 |old(~a29~0)|)) (not (<= ~a8~0 15)) (and .cse1 .cse8) (and .cse1 .cse9 .cse5) (not (= 10 |old(~a25~0)|)) (and (<= ~a29~0 275) (not .cse7) .cse9 (<= 246 ~a29~0)) (and .cse6 .cse3) (<= ~a29~0 220) (and (<= ~a23~0 136) .cse4 .cse9)))) [2020-10-27 17:33:06,109 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-27 17:33:06,109 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-27 17:33:06,110 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (= ~a4~0 1))) (let ((.cse2 (<= 161 ~a23~0)) (.cse0 (<= 12 ~a25~0)) (.cse10 (<= ~a29~0 244)) (.cse8 (= ~a25~0 11)) (.cse1 (<= ~a29~0 206678)) (.cse5 (<= (+ ~a23~0 43) 0)) (.cse7 (= ~a25~0 10)) (.cse6 (<= ~a25~0 9)) (.cse4 (= ~a25~0 13)) (.cse9 (not .cse3))) (or (and (<= ~a25~0 12) (<= ~a23~0 243) .cse0) (and .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5) (and .cse6 .cse5) (and .cse7 (= ~a8~0 15) (<= 214883 ~a29~0) .cse5 (= ~a3~0 1)) (and .cse8 .cse2) (and .cse8 .cse9) (and (<= ~a29~0 243) .cse0) (not (= |old(~a4~0)| 1)) (and .cse7 .cse9 .cse5) (and .cse7 (<= 307 ~a23~0) .cse3) (not (= 312 |old(~a23~0)|)) (and .cse7 .cse10 .cse3) (and .cse6 .cse10) (not (= 130 |old(~a29~0)|)) (not (<= ~a8~0 15)) (and .cse1 .cse8) (and .cse1 .cse9 .cse5) (not (= 10 |old(~a25~0)|)) (and (<= ~a29~0 275) (not .cse7) .cse9 (<= 246 ~a29~0)) (and .cse6 .cse3) (<= ~a29~0 220) (and (<= ~a23~0 136) .cse4 .cse9)))) [2020-10-27 17:33:06,110 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:33:06,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:33:06 BoogieIcfgContainer [2020-10-27 17:33:06,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:33:06,133 INFO L168 Benchmark]: Toolchain (without parser) took 176520.95 ms. Allocated memory was 158.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 131.7 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.4 GB. Max. memory is 8.0 GB. [2020-10-27 17:33:06,134 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 158.3 MB. Free memory is still 132.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:33:06,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 896.15 ms. Allocated memory is still 158.3 MB. Free memory was 131.1 MB in the beginning and 126.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 40.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:33:06,134 INFO L168 Benchmark]: Boogie Preprocessor took 163.72 ms. Allocated memory is still 158.3 MB. Free memory was 126.0 MB in the beginning and 118.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:33:06,135 INFO L168 Benchmark]: RCFGBuilder took 1892.09 ms. Allocated memory was 158.3 MB in the beginning and 200.3 MB in the end (delta: 41.9 MB). Free memory was 118.3 MB in the beginning and 151.6 MB in the end (delta: -33.3 MB). Peak memory consumption was 92.9 MB. Max. memory is 8.0 GB. [2020-10-27 17:33:06,136 INFO L168 Benchmark]: TraceAbstraction took 173552.56 ms. Allocated memory was 200.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 151.6 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2020-10-27 17:33:06,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 158.3 MB. Free memory is still 132.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 896.15 ms. Allocated memory is still 158.3 MB. Free memory was 131.1 MB in the beginning and 126.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 40.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 163.72 ms. Allocated memory is still 158.3 MB. Free memory was 126.0 MB in the beginning and 118.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1892.09 ms. Allocated memory was 158.3 MB in the beginning and 200.3 MB in the end (delta: 41.9 MB). Free memory was 118.3 MB in the beginning and 151.6 MB in the end (delta: -33.3 MB). Peak memory consumption was 92.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 173552.56 ms. Allocated memory was 200.3 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 151.6 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((a25 <= 12 && a23 <= 243) && 12 <= a25) || ((a29 <= 206678 && 161 <= a23) && a4 == 1)) || ((a29 <= 206678 && a25 == 13) && a23 + 43 <= 0)) || (a25 <= 9 && a23 + 43 <= 0)) || ((((a25 == 10 && a8 == 15) && 214883 <= a29) && a23 + 43 <= 0) && a3 == 1)) || (a25 == 11 && 161 <= a23)) || (a25 == 11 && !(a4 == 1))) || (a29 <= 243 && 12 <= a25)) || !(\old(a4) == 1)) || ((a25 == 10 && !(a4 == 1)) && a23 + 43 <= 0)) || ((a25 == 10 && 307 <= a23) && a4 == 1)) || !(312 == \old(a23))) || ((a25 == 10 && a29 <= 244) && a4 == 1)) || (a25 <= 9 && a29 <= 244)) || !(130 == \old(a29))) || !(a8 <= 15)) || (a29 <= 206678 && a25 == 11)) || ((a29 <= 206678 && !(a4 == 1)) && a23 + 43 <= 0)) || !(10 == \old(a25))) || (((a29 <= 275 && !(a25 == 10)) && !(a4 == 1)) && 246 <= a29)) || (a25 <= 9 && a4 == 1)) || a29 <= 220) || ((a23 <= 136 && a25 == 13) && !(a4 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 153.6s, OverallIterations: 23, TraceHistogramMax: 7, AutomataDifference: 82.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1136 SDtfs, 15627 SDslu, 2036 SDs, 0 SdLazy, 35523 SolverSat, 4134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 226 SyntacticMatches, 5 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12659occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 23 MinimizatonAttempts, 9551 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1437 PreInvPairs, 1583 NumberOfFragments, 1566 HoareAnnotationTreeSize, 1437 FomulaSimplifications, 357078 FormulaSimplificationTreeSizeReduction, 4.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 56453 FormulaSimplificationTreeSizeReductionInter, 15.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 61.4s InterpolantComputationTime, 7470 NumberOfCodeBlocks, 7470 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 7447 ConstructedInterpolants, 0 QuantifiedInterpolants, 7726694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 2 PerfectInterpolantSequences, 7294/7356 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...