/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:31:11,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:31:11,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:31:11,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:31:11,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:31:11,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:31:12,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:31:12,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:31:12,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:31:12,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:31:12,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:31:12,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:31:12,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:31:12,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:31:12,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:31:12,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:31:12,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:31:12,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:31:12,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:31:12,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:31:12,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:31:12,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:31:12,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:31:12,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:31:12,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:31:12,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:31:12,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:31:12,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:31:12,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:31:12,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:31:12,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:31:12,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:31:12,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:31:12,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:31:12,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:31:12,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:31:12,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:31:12,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:31:12,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:31:12,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:31:12,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:31:12,108 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 17:31:12,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:31:12,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:31:12,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:31:12,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:31:12,168 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:31:12,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:31:12,168 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:31:12,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:31:12,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:31:12,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:31:12,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:31:12,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:31:12,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:31:12,171 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:31:12,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:31:12,172 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:31:12,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:31:12,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:31:12,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:31:12,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:31:12,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:31:12,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:31:12,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:31:12,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:31:12,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:31:12,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:31:12,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:31:12,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:31:12,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:31:12,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:31:12,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:31:12,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:31:12,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:31:12,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:31:12,639 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:31:12,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label19.c [2020-10-27 17:31:12,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/883a43060/66a9d14d352949b2b219d9deb5d4c421/FLAGd646e11a0 [2020-10-27 17:31:13,468 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:31:13,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label19.c [2020-10-27 17:31:13,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/883a43060/66a9d14d352949b2b219d9deb5d4c421/FLAGd646e11a0 [2020-10-27 17:31:13,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/883a43060/66a9d14d352949b2b219d9deb5d4c421 [2020-10-27 17:31:13,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:31:13,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:31:13,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:31:13,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:31:13,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:31:13,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:31:13" (1/1) ... [2020-10-27 17:31:13,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b034cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:13, skipping insertion in model container [2020-10-27 17:31:13,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:31:13" (1/1) ... [2020-10-27 17:31:13,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:31:13,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:31:14,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:31:14,416 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:31:14,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:31:14,751 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:31:14,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14 WrapperNode [2020-10-27 17:31:14,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:31:14,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:31:14,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:31:14,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:31:14,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14" (1/1) ... [2020-10-27 17:31:14,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14" (1/1) ... [2020-10-27 17:31:14,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14" (1/1) ... [2020-10-27 17:31:14,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14" (1/1) ... [2020-10-27 17:31:14,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14" (1/1) ... [2020-10-27 17:31:14,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14" (1/1) ... [2020-10-27 17:31:14,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14" (1/1) ... [2020-10-27 17:31:14,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:31:14,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:31:14,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:31:14,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:31:14,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14" (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 17:31:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:31:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:31:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:31:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:31:15,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:31:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:31:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:31:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:31:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:31:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:31:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:31:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:31:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:31:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:31:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:31:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:31:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:31:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:31:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:31:17,292 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:31:17,292 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:31:17,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:31:17 BoogieIcfgContainer [2020-10-27 17:31:17,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:31:17,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:31:17,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:31:17,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:31:17,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:31:13" (1/3) ... [2020-10-27 17:31:17,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8878478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:31:17, skipping insertion in model container [2020-10-27 17:31:17,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:31:14" (2/3) ... [2020-10-27 17:31:17,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8878478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:31:17, skipping insertion in model container [2020-10-27 17:31:17,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:31:17" (3/3) ... [2020-10-27 17:31:17,306 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label19.c [2020-10-27 17:31:17,319 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:31:17,325 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:31:17,341 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:31:17,372 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:31:17,373 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:31:17,373 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:31:17,373 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:31:17,373 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:31:17,373 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:31:17,373 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:31:17,373 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:31:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-27 17:31:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 17:31:17,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:17,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:31:17,412 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:17,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:17,419 INFO L82 PathProgramCache]: Analyzing trace with hash 406430782, now seen corresponding path program 1 times [2020-10-27 17:31:17,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:17,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646620357] [2020-10-27 17:31:17,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:17,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:18,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:18,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:31:18,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:18,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 756 [2020-10-27 17:31:18,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:18,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:31:18,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:31:18,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 17:31:18,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:31:18,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:18,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:18,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:18,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:18,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:18,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 17:31:18,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:18,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:18,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:18,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:31:18,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:31:18,793 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 17:31:18,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646620357] [2020-10-27 17:31:18,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:31:18,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 17:31:18,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755780239] [2020-10-27 17:31:18,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:31:18,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:18,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:31:18,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:31:18,827 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 5 states. [2020-10-27 17:31:22,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:22,094 INFO L93 Difference]: Finished difference Result 798 states and 1400 transitions. [2020-10-27 17:31:22,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:31:22,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-10-27 17:31:22,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:22,113 INFO L225 Difference]: With dead ends: 798 [2020-10-27 17:31:22,114 INFO L226 Difference]: Without dead ends: 438 [2020-10-27 17:31:22,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 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 17:31:22,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-27 17:31:22,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 423. [2020-10-27 17:31:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-27 17:31:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 674 transitions. [2020-10-27 17:31:22,245 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 674 transitions. Word has length 63 [2020-10-27 17:31:22,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:22,247 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 674 transitions. [2020-10-27 17:31:22,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:31:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 674 transitions. [2020-10-27 17:31:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 17:31:22,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:22,260 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:31:22,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:31:22,261 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:22,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:22,262 INFO L82 PathProgramCache]: Analyzing trace with hash 189457817, now seen corresponding path program 1 times [2020-10-27 17:31:22,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:22,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334694444] [2020-10-27 17:31:22,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:22,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:22,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:23,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:24,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:24,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 17:31:24,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:31:24,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2134 [2020-10-27 17:31:24,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 17:31:24,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 17:31:24,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:31:24,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:24,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:24,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:24,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:24,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:24,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:31:24,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:31:24,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:24,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:24,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:24,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 17:31:24,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:24,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-27 17:31:24,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:24,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:24,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:24,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 17:31:24,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:31:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:31:25,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334694444] [2020-10-27 17:31:25,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:25,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:31:25,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761011825] [2020-10-27 17:31:25,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:31:25,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:25,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:31:25,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:31:25,140 INFO L87 Difference]: Start difference. First operand 423 states and 674 transitions. Second operand 5 states. [2020-10-27 17:31:25,639 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:31:27,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:27,401 INFO L93 Difference]: Finished difference Result 869 states and 1380 transitions. [2020-10-27 17:31:27,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:31:27,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2020-10-27 17:31:27,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:27,411 INFO L225 Difference]: With dead ends: 869 [2020-10-27 17:31:27,412 INFO L226 Difference]: Without dead ends: 430 [2020-10-27 17:31:27,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 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 17:31:27,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-27 17:31:27,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 423. [2020-10-27 17:31:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-27 17:31:27,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 672 transitions. [2020-10-27 17:31:27,477 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 672 transitions. Word has length 132 [2020-10-27 17:31:27,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:27,480 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 672 transitions. [2020-10-27 17:31:27,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:31:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 672 transitions. [2020-10-27 17:31:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 17:31:27,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:27,486 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:31:27,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:31:27,486 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:27,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:27,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1965807523, now seen corresponding path program 1 times [2020-10-27 17:31:27,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:27,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550387794] [2020-10-27 17:31:27,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:27,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:27,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:28,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:29,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:29,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 17:31:29,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:31:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1656 [2020-10-27 17:31:29,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-27 17:31:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 17:31:29,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:29,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:29,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:29,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:29,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:29,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:31:29,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:29,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:29,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:29,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:29,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 17:31:29,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 17:31:29,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 17:31:29,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:31:29,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550387794] [2020-10-27 17:31:29,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:29,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:31:29,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414423807] [2020-10-27 17:31:29,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:31:29,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:29,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:31:29,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:31:29,587 INFO L87 Difference]: Start difference. First operand 423 states and 672 transitions. Second operand 5 states. [2020-10-27 17:31:30,066 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 17:31:31,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:31,759 INFO L93 Difference]: Finished difference Result 868 states and 1375 transitions. [2020-10-27 17:31:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:31:31,763 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-10-27 17:31:31,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:31,767 INFO L225 Difference]: With dead ends: 868 [2020-10-27 17:31:31,767 INFO L226 Difference]: Without dead ends: 430 [2020-10-27 17:31:31,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:31:31,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-10-27 17:31:31,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 423. [2020-10-27 17:31:31,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-27 17:31:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 670 transitions. [2020-10-27 17:31:31,789 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 670 transitions. Word has length 135 [2020-10-27 17:31:31,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:31,790 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 670 transitions. [2020-10-27 17:31:31,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:31:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 670 transitions. [2020-10-27 17:31:31,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 17:31:31,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:31,793 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 17:31:31,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:31:31,794 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:31,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:31,794 INFO L82 PathProgramCache]: Analyzing trace with hash -144123103, now seen corresponding path program 1 times [2020-10-27 17:31:31,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:31,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1888653513] [2020-10-27 17:31:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:31,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:32,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:32,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 17:31:32,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:32,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-10-27 17:31:32,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:31:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:31:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 17:31:32,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-27 17:31:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:32,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:32,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:32,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:32,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:32,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 17:31:32,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:32,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:31:32,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:32,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:32,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:32,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:32,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:31:32,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-27 17:31:32,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:32,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:31:32,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:31:32,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1888653513] [2020-10-27 17:31:32,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:31:32,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 17:31:32,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420861903] [2020-10-27 17:31:32,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:32,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:32,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:32,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:32,850 INFO L87 Difference]: Start difference. First operand 423 states and 670 transitions. Second operand 7 states. [2020-10-27 17:31:36,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:36,361 INFO L93 Difference]: Finished difference Result 1063 states and 1695 transitions. [2020-10-27 17:31:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:31:36,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2020-10-27 17:31:36,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:36,367 INFO L225 Difference]: With dead ends: 1063 [2020-10-27 17:31:36,367 INFO L226 Difference]: Without dead ends: 646 [2020-10-27 17:31:36,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:31:36,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-10-27 17:31:36,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 622. [2020-10-27 17:31:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-27 17:31:36,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 885 transitions. [2020-10-27 17:31:36,400 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 885 transitions. Word has length 136 [2020-10-27 17:31:36,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:36,400 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 885 transitions. [2020-10-27 17:31:36,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:36,401 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 885 transitions. [2020-10-27 17:31:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-27 17:31:36,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:36,404 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:31:36,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:31:36,405 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:36,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:36,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1295976040, now seen corresponding path program 1 times [2020-10-27 17:31:36,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:36,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537531262] [2020-10-27 17:31:36,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:36,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:36,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:37,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:38,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:38,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:39,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:39,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-27 17:31:39,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 17:31:39,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2556 [2020-10-27 17:31:39,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-27 17:31:39,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 17:31:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:39,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:39,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:39,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:39,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:39,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:39,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:31:39,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:39,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:39,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:39,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:39,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:39,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:39,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:39,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:39,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:31:39,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:31:39,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-10-27 17:31:39,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-27 17:31:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:31:39,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:31:39,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537531262] [2020-10-27 17:31:39,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:39,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:31:39,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911569359] [2020-10-27 17:31:39,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:31:39,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:39,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:31:39,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:31:39,606 INFO L87 Difference]: Start difference. First operand 622 states and 885 transitions. Second operand 6 states. [2020-10-27 17:31:44,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:44,107 INFO L93 Difference]: Finished difference Result 2411 states and 3756 transitions. [2020-10-27 17:31:44,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 17:31:44,111 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-10-27 17:31:44,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:44,132 INFO L225 Difference]: With dead ends: 2411 [2020-10-27 17:31:44,132 INFO L226 Difference]: Without dead ends: 1795 [2020-10-27 17:31:44,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-27 17:31:44,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2020-10-27 17:31:44,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1404. [2020-10-27 17:31:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1404 states. [2020-10-27 17:31:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1925 transitions. [2020-10-27 17:31:44,220 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1925 transitions. Word has length 194 [2020-10-27 17:31:44,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:44,222 INFO L481 AbstractCegarLoop]: Abstraction has 1404 states and 1925 transitions. [2020-10-27 17:31:44,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:31:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1925 transitions. [2020-10-27 17:31:44,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-27 17:31:44,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:44,232 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:31:44,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:31:44,233 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:44,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:44,235 INFO L82 PathProgramCache]: Analyzing trace with hash 852615103, now seen corresponding path program 1 times [2020-10-27 17:31:44,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:44,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200869778] [2020-10-27 17:31:44,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:44,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:44,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:46,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:46,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-10-27 17:31:46,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:31:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2523 [2020-10-27 17:31:46,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-27 17:31:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 17:31:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:46,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:46,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:46,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:46,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:47,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:47,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:31:47,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:47,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:47,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:47,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:47,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:47,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:47,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:31:47,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:47,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 17:31:47,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:47,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:47,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:47,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:31:47,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:31:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:47,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:47,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:47,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 17:31:47,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:47,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-27 17:31:47,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-27 17:31:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:31:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-10-27 17:31:47,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200869778] [2020-10-27 17:31:47,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:47,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:31:47,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648724154] [2020-10-27 17:31:47,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:31:47,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:47,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:31:47,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:31:47,521 INFO L87 Difference]: Start difference. First operand 1404 states and 1925 transitions. Second operand 5 states. [2020-10-27 17:31:49,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:49,909 INFO L93 Difference]: Finished difference Result 1988 states and 2699 transitions. [2020-10-27 17:31:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:31:49,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 290 [2020-10-27 17:31:49,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:49,924 INFO L225 Difference]: With dead ends: 1988 [2020-10-27 17:31:49,925 INFO L226 Difference]: Without dead ends: 1985 [2020-10-27 17:31:49,926 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 17:31:49,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2020-10-27 17:31:49,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1406. [2020-10-27 17:31:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1406 states. [2020-10-27 17:31:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1929 transitions. [2020-10-27 17:31:50,002 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1929 transitions. Word has length 290 [2020-10-27 17:31:50,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:50,003 INFO L481 AbstractCegarLoop]: Abstraction has 1406 states and 1929 transitions. [2020-10-27 17:31:50,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:31:50,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1929 transitions. [2020-10-27 17:31:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-27 17:31:50,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:50,010 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 17:31:50,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:31:50,011 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:50,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:50,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1851363792, now seen corresponding path program 1 times [2020-10-27 17:31:50,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:50,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335161568] [2020-10-27 17:31:50,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:50,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:50,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:52,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:52,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-27 17:31:52,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:31:52,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2742 [2020-10-27 17:31:52,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-10-27 17:31:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 17:31:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:31:53,034 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-27 17:31:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:31:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:53,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:53,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:53,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:31:53,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:53,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:31:53,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:31:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:31:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:53,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:31:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:53,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:53,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:53,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 17:31:53,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:53,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-27 17:31:53,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:53,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:31:53,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:31:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-27 17:31:53,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:53,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 17:31:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:53,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:53,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:31:53,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:31:53,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:31:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-27 17:31:53,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:31:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:31:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:31:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:31:53,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:31:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 17:31:53,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335161568] [2020-10-27 17:31:53,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:31:53,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:31:53,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303718105] [2020-10-27 17:31:53,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:31:53,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:31:53,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:31:53,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:31:53,905 INFO L87 Difference]: Start difference. First operand 1406 states and 1929 transitions. Second operand 7 states. [2020-10-27 17:31:57,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:31:57,484 INFO L93 Difference]: Finished difference Result 3638 states and 5040 transitions. [2020-10-27 17:31:57,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 17:31:57,490 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 291 [2020-10-27 17:31:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:31:57,505 INFO L225 Difference]: With dead ends: 3638 [2020-10-27 17:31:57,505 INFO L226 Difference]: Without dead ends: 2238 [2020-10-27 17:31:57,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-27 17:31:57,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2020-10-27 17:31:57,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2017. [2020-10-27 17:31:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2017 states. [2020-10-27 17:31:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2706 transitions. [2020-10-27 17:31:57,596 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2706 transitions. Word has length 291 [2020-10-27 17:31:57,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:31:57,597 INFO L481 AbstractCegarLoop]: Abstraction has 2017 states and 2706 transitions. [2020-10-27 17:31:57,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:31:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2706 transitions. [2020-10-27 17:31:57,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-10-27 17:31:57,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:31:57,606 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:31:57,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:31:57,606 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:31:57,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:31:57,607 INFO L82 PathProgramCache]: Analyzing trace with hash 296403634, now seen corresponding path program 1 times [2020-10-27 17:31:57,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:31:57,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [186523801] [2020-10-27 17:31:57,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:31:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:31:57,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:57,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:31:58,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:00,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:00,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-27 17:32:00,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:32:00,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2400 [2020-10-27 17:32:00,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:00,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-10-27 17:32:00,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 17:32:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:00,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:00,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:00,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:00,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:00,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:00,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:32:00,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:00,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:00,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:00,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:00,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:00,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:00,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:00,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 17:32:00,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:00,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:00,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:00,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:00,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:32:00,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 17:32:00,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:32:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-27 17:32:00,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [186523801] [2020-10-27 17:32:00,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:00,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:00,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094772635] [2020-10-27 17:32:00,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:00,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:00,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:00,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:00,669 INFO L87 Difference]: Start difference. First operand 2017 states and 2706 transitions. Second operand 5 states. [2020-10-27 17:32:03,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:03,809 INFO L93 Difference]: Finished difference Result 5370 states and 7438 transitions. [2020-10-27 17:32:03,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:03,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 296 [2020-10-27 17:32:03,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:03,830 INFO L225 Difference]: With dead ends: 5370 [2020-10-27 17:32:03,830 INFO L226 Difference]: Without dead ends: 3167 [2020-10-27 17:32:03,838 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 17:32:03,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3167 states. [2020-10-27 17:32:03,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3167 to 2781. [2020-10-27 17:32:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2781 states. [2020-10-27 17:32:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3651 transitions. [2020-10-27 17:32:03,957 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3651 transitions. Word has length 296 [2020-10-27 17:32:03,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:03,958 INFO L481 AbstractCegarLoop]: Abstraction has 2781 states and 3651 transitions. [2020-10-27 17:32:03,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3651 transitions. [2020-10-27 17:32:03,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-10-27 17:32:03,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:03,969 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:32:03,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 17:32:03,969 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:03,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:03,970 INFO L82 PathProgramCache]: Analyzing trace with hash -374790082, now seen corresponding path program 1 times [2020-10-27 17:32:03,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:03,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774548288] [2020-10-27 17:32:03,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:04,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:04,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:06,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:06,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:09,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:09,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-27 17:32:09,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:32:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 17:32:09,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 288 [2020-10-27 17:32:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 17:32:09,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:09,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:09,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:09,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:09,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:09,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:09,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 17:32:09,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:09,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:09,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:09,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:09,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:09,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:09,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 17:32:09,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:09,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 17:32:09,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:09,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 17:32:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:09,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:09,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:09,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-27 17:32:09,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:09,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 17:32:09,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-27 17:32:09,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-27 17:32:09,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774548288] [2020-10-27 17:32:09,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:09,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:09,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088655669] [2020-10-27 17:32:09,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:09,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:09,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:09,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:09,850 INFO L87 Difference]: Start difference. First operand 2781 states and 3651 transitions. Second operand 5 states. [2020-10-27 17:32:11,473 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:32:12,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:12,064 INFO L93 Difference]: Finished difference Result 5615 states and 7382 transitions. [2020-10-27 17:32:12,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:12,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 339 [2020-10-27 17:32:12,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:12,079 INFO L225 Difference]: With dead ends: 5615 [2020-10-27 17:32:12,079 INFO L226 Difference]: Without dead ends: 2787 [2020-10-27 17:32:12,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 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 17:32:12,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2020-10-27 17:32:12,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 2779. [2020-10-27 17:32:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2020-10-27 17:32:12,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3644 transitions. [2020-10-27 17:32:12,176 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3644 transitions. Word has length 339 [2020-10-27 17:32:12,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:12,177 INFO L481 AbstractCegarLoop]: Abstraction has 2779 states and 3644 transitions. [2020-10-27 17:32:12,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3644 transitions. [2020-10-27 17:32:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-27 17:32:12,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:12,188 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 17:32:12,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 17:32:12,188 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:12,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:12,189 INFO L82 PathProgramCache]: Analyzing trace with hash 122774820, now seen corresponding path program 1 times [2020-10-27 17:32:12,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:12,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021875237] [2020-10-27 17:32:12,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:12,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:12,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:13,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:14,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:14,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-27 17:32:14,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:32:14,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2741 [2020-10-27 17:32:14,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:14,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:14,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 221 [2020-10-27 17:32:14,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 17:32:14,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:15,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:15,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:15,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:15,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:15,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:15,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 17:32:15,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:15,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:15,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:15,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:15,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:15,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:15,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 17:32:15,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:15,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:15,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:15,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 17:32:15,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 17:32:15,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-27 17:32:15,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:15,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-27 17:32:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:15,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:15,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:15,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:32:15,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:15,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 17:32:15,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:32:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:32:15,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 310 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-27 17:32:15,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021875237] [2020-10-27 17:32:15,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:15,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:32:15,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417991820] [2020-10-27 17:32:15,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:32:15,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:15,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:32:15,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:32:15,835 INFO L87 Difference]: Start difference. First operand 2779 states and 3644 transitions. Second operand 8 states. [2020-10-27 17:32:21,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:21,504 INFO L93 Difference]: Finished difference Result 6769 states and 8987 transitions. [2020-10-27 17:32:21,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 17:32:21,511 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 345 [2020-10-27 17:32:21,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:21,530 INFO L225 Difference]: With dead ends: 6769 [2020-10-27 17:32:21,530 INFO L226 Difference]: Without dead ends: 3610 [2020-10-27 17:32:21,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-27 17:32:21,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2020-10-27 17:32:21,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3562. [2020-10-27 17:32:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2020-10-27 17:32:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 4628 transitions. [2020-10-27 17:32:21,649 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 4628 transitions. Word has length 345 [2020-10-27 17:32:21,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:21,650 INFO L481 AbstractCegarLoop]: Abstraction has 3562 states and 4628 transitions. [2020-10-27 17:32:21,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:32:21,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 4628 transitions. [2020-10-27 17:32:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-10-27 17:32:21,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:21,662 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:32:21,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 17:32:21,663 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:21,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:21,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1155211839, now seen corresponding path program 1 times [2020-10-27 17:32:21,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:21,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264720865] [2020-10-27 17:32:21,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:21,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:21,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:22,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:25,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:25,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-27 17:32:25,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:32:25,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3808 [2020-10-27 17:32:25,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 296 [2020-10-27 17:32:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 17:32:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:25,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:25,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:25,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:25,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:32:25,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:25,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:25,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:25,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:25,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:25,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:25,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:25,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:25,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 17:32:25,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:25,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:25,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:25,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:26,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:26,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-27 17:32:26,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:26,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-27 17:32:26,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:26,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:26,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:26,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-27 17:32:26,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-27 17:32:26,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264720865] [2020-10-27 17:32:26,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:26,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:32:26,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275505291] [2020-10-27 17:32:26,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:32:26,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:26,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:32:26,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:32:26,401 INFO L87 Difference]: Start difference. First operand 3562 states and 4628 transitions. Second operand 6 states. [2020-10-27 17:32:28,247 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 17:32:28,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:28,629 INFO L93 Difference]: Finished difference Result 7138 states and 9303 transitions. [2020-10-27 17:32:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:28,633 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 347 [2020-10-27 17:32:28,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:28,650 INFO L225 Difference]: With dead ends: 7138 [2020-10-27 17:32:28,651 INFO L226 Difference]: Without dead ends: 3570 [2020-10-27 17:32:28,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:32:28,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2020-10-27 17:32:28,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3562. [2020-10-27 17:32:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2020-10-27 17:32:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 4615 transitions. [2020-10-27 17:32:28,757 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 4615 transitions. Word has length 347 [2020-10-27 17:32:28,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:28,758 INFO L481 AbstractCegarLoop]: Abstraction has 3562 states and 4615 transitions. [2020-10-27 17:32:28,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:32:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 4615 transitions. [2020-10-27 17:32:28,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-27 17:32:28,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:28,771 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:32:28,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 17:32:28,772 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:28,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:28,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1699303817, now seen corresponding path program 1 times [2020-10-27 17:32:28,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:28,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650775831] [2020-10-27 17:32:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:28,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:29,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 367 [2020-10-27 17:32:29,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:32:29,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 524 [2020-10-27 17:32:29,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 301 [2020-10-27 17:32:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 17:32:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:29,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:29,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:29,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:29,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:29,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 17:32:29,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:29,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:29,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:29,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:29,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:29,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:29,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:29,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:29,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:29,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 17:32:29,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:29,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:29,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:29,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:29,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:29,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 17:32:29,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:32:29,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-27 17:32:29,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:29,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:29,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-27 17:32:29,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:32:29,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-27 17:32:30,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650775831] [2020-10-27 17:32:30,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:30,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:32:30,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143807076] [2020-10-27 17:32:30,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:32:30,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:30,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:32:30,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:32:30,048 INFO L87 Difference]: Start difference. First operand 3562 states and 4615 transitions. Second operand 6 states. [2020-10-27 17:32:32,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:32,102 INFO L93 Difference]: Finished difference Result 7109 states and 9249 transitions. [2020-10-27 17:32:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:32,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 353 [2020-10-27 17:32:32,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:32,122 INFO L225 Difference]: With dead ends: 7109 [2020-10-27 17:32:32,122 INFO L226 Difference]: Without dead ends: 3553 [2020-10-27 17:32:32,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:32:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states. [2020-10-27 17:32:32,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 3544. [2020-10-27 17:32:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2020-10-27 17:32:32,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4574 transitions. [2020-10-27 17:32:32,231 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4574 transitions. Word has length 353 [2020-10-27 17:32:32,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:32,232 INFO L481 AbstractCegarLoop]: Abstraction has 3544 states and 4574 transitions. [2020-10-27 17:32:32,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:32:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4574 transitions. [2020-10-27 17:32:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-10-27 17:32:32,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:32,242 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:32:32,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 17:32:32,243 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:32,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:32,243 INFO L82 PathProgramCache]: Analyzing trace with hash -42874996, now seen corresponding path program 1 times [2020-10-27 17:32:32,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:32,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190619189] [2020-10-27 17:32:32,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:32,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:32,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:33,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:36,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:36,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:36,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-10-27 17:32:36,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:32:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4445 [2020-10-27 17:32:36,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 302 [2020-10-27 17:32:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 17:32:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:36,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:36,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:36,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:36,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:36,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:32:36,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:36,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:36,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:37,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:37,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-27 17:32:37,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:37,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 17:32:37,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:37,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:37,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 17:32:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:37,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:37,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:37,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:32:37,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 17:32:37,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:37,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:37,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:37,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 17:32:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-27 17:32:37,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190619189] [2020-10-27 17:32:37,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:37,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:32:37,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28564351] [2020-10-27 17:32:37,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:32:37,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:37,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:32:37,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:32:37,311 INFO L87 Difference]: Start difference. First operand 3544 states and 4574 transitions. Second operand 5 states. [2020-10-27 17:32:40,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:40,083 INFO L93 Difference]: Finished difference Result 7084 states and 9161 transitions. [2020-10-27 17:32:40,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:32:40,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 355 [2020-10-27 17:32:40,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:40,106 INFO L225 Difference]: With dead ends: 7084 [2020-10-27 17:32:40,106 INFO L226 Difference]: Without dead ends: 3546 [2020-10-27 17:32:40,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 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 17:32:40,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2020-10-27 17:32:40,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 3538. [2020-10-27 17:32:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3538 states. [2020-10-27 17:32:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3538 states and 4390 transitions. [2020-10-27 17:32:40,212 INFO L78 Accepts]: Start accepts. Automaton has 3538 states and 4390 transitions. Word has length 355 [2020-10-27 17:32:40,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:40,213 INFO L481 AbstractCegarLoop]: Abstraction has 3538 states and 4390 transitions. [2020-10-27 17:32:40,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:32:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 4390 transitions. [2020-10-27 17:32:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-27 17:32:40,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:40,221 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:40,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 17:32:40,222 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:40,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:40,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1299865389, now seen corresponding path program 1 times [2020-10-27 17:32:40,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:40,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813791307] [2020-10-27 17:32:40,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:40,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:40,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:41,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:43,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:43,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 385 [2020-10-27 17:32:43,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:32:43,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2841 [2020-10-27 17:32:43,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 17:32:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-10-27 17:32:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 17:32:43,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:43,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:43,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:43,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:43,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:43,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 17:32:43,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:43,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:43,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:43,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:43,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:43,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:43,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:43,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:43,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:43,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 17:32:43,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:43,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:43,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:43,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:43,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:43,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 17:32:43,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:43,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 17:32:43,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:43,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:43,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:43,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 17:32:43,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:43,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-27 17:32:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:43,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:43,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:43,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:32:43,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:43,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 17:32:43,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 17:32:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:32:43,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:32:43,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 304 proven. 8 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-27 17:32:43,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813791307] [2020-10-27 17:32:43,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:43,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 17:32:43,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215463102] [2020-10-27 17:32:43,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 17:32:43,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:43,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 17:32:43,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:32:43,831 INFO L87 Difference]: Start difference. First operand 3538 states and 4390 transitions. Second operand 8 states. [2020-10-27 17:32:45,437 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 17:32:47,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:47,882 INFO L93 Difference]: Finished difference Result 9044 states and 11402 transitions. [2020-10-27 17:32:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 17:32:47,884 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 369 [2020-10-27 17:32:47,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:47,918 INFO L225 Difference]: With dead ends: 9044 [2020-10-27 17:32:47,918 INFO L226 Difference]: Without dead ends: 5492 [2020-10-27 17:32:47,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-27 17:32:47,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2020-10-27 17:32:48,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 5289. [2020-10-27 17:32:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5289 states. [2020-10-27 17:32:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5289 states to 5289 states and 6695 transitions. [2020-10-27 17:32:48,069 INFO L78 Accepts]: Start accepts. Automaton has 5289 states and 6695 transitions. Word has length 369 [2020-10-27 17:32:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:48,070 INFO L481 AbstractCegarLoop]: Abstraction has 5289 states and 6695 transitions. [2020-10-27 17:32:48,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 17:32:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 5289 states and 6695 transitions. [2020-10-27 17:32:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-10-27 17:32:48,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:48,083 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:48,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 17:32:48,084 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:48,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:48,084 INFO L82 PathProgramCache]: Analyzing trace with hash 742521478, now seen corresponding path program 1 times [2020-10-27 17:32:48,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:48,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128659029] [2020-10-27 17:32:48,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:48,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:48,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:50,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:50,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-10-27 17:32:50,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:32:50,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1941 [2020-10-27 17:32:50,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-10-27 17:32:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 17:32:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:50,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:50,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:50,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:50,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:50,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:32:50,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:50,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:50,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:50,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:50,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:50,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:50,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:50,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:50,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:50,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:50,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 17:32:50,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:50,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:50,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:50,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:50,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:50,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 17:32:50,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:50,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 17:32:50,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 17:32:50,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:50,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-27 17:32:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:50,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:50,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:50,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:32:50,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 17:32:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:32:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:32:50,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 310 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-27 17:32:50,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128659029] [2020-10-27 17:32:50,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:50,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:32:50,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485465646] [2020-10-27 17:32:50,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:32:50,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:50,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:32:50,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:32:50,717 INFO L87 Difference]: Start difference. First operand 5289 states and 6695 transitions. Second operand 7 states. [2020-10-27 17:32:55,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:32:55,670 INFO L93 Difference]: Finished difference Result 10786 states and 13788 transitions. [2020-10-27 17:32:55,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:32:55,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 374 [2020-10-27 17:32:55,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:32:55,696 INFO L225 Difference]: With dead ends: 10786 [2020-10-27 17:32:55,696 INFO L226 Difference]: Without dead ends: 5691 [2020-10-27 17:32:55,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 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 17:32:55,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5691 states. [2020-10-27 17:32:55,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5691 to 5483. [2020-10-27 17:32:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5483 states. [2020-10-27 17:32:55,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 5483 states and 6953 transitions. [2020-10-27 17:32:55,847 INFO L78 Accepts]: Start accepts. Automaton has 5483 states and 6953 transitions. Word has length 374 [2020-10-27 17:32:55,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:32:55,848 INFO L481 AbstractCegarLoop]: Abstraction has 5483 states and 6953 transitions. [2020-10-27 17:32:55,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:32:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5483 states and 6953 transitions. [2020-10-27 17:32:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2020-10-27 17:32:55,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:32:55,862 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:32:55,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 17:32:55,862 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:32:55,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:32:55,863 INFO L82 PathProgramCache]: Analyzing trace with hash -2137305704, now seen corresponding path program 1 times [2020-10-27 17:32:55,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:32:55,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422003025] [2020-10-27 17:32:55,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:32:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:56,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:56,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:57,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:57,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 406 [2020-10-27 17:32:57,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:32:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1865 [2020-10-27 17:32:57,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 266 [2020-10-27 17:32:57,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 17:32:57,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:57,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:32:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:57,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:57,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:57,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:32:57,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:57,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:32:57,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:57,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:57,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:32:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:57,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:58,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:58,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 17:32:58,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:58,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 17:32:58,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:32:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:58,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:32:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:58,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 17:32:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:58,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:58,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:58,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-27 17:32:58,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:58,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 17:32:58,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:58,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:32:58,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:32:58,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-27 17:32:58,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:58,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-27 17:32:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:32:58,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:32:58,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:32:58,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:32:58,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:32:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 17:32:58,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:32:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:32:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:32:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:32:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:32:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 310 proven. 2 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-27 17:32:58,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422003025] [2020-10-27 17:32:58,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:32:58,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:32:58,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417210708] [2020-10-27 17:32:58,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:32:58,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:32:58,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:32:58,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:32:58,553 INFO L87 Difference]: Start difference. First operand 5483 states and 6953 transitions. Second operand 7 states. [2020-10-27 17:33:02,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:02,086 INFO L93 Difference]: Finished difference Result 12151 states and 15743 transitions. [2020-10-27 17:33:02,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:33:02,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 390 [2020-10-27 17:33:02,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:02,109 INFO L225 Difference]: With dead ends: 12151 [2020-10-27 17:33:02,110 INFO L226 Difference]: Without dead ends: 6862 [2020-10-27 17:33:02,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 17:33:02,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6862 states. [2020-10-27 17:33:02,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6862 to 6451. [2020-10-27 17:33:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6451 states. [2020-10-27 17:33:02,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6451 states to 6451 states and 8132 transitions. [2020-10-27 17:33:02,295 INFO L78 Accepts]: Start accepts. Automaton has 6451 states and 8132 transitions. Word has length 390 [2020-10-27 17:33:02,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:02,295 INFO L481 AbstractCegarLoop]: Abstraction has 6451 states and 8132 transitions. [2020-10-27 17:33:02,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:33:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 6451 states and 8132 transitions. [2020-10-27 17:33:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-10-27 17:33:02,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:02,319 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:33:02,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 17:33:02,319 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:02,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:02,320 INFO L82 PathProgramCache]: Analyzing trace with hash 715818670, now seen corresponding path program 1 times [2020-10-27 17:33:02,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:02,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944969673] [2020-10-27 17:33:02,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:02,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:02,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:03,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:07,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:07,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 502 [2020-10-27 17:33:07,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:33:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 17:33:07,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 362 [2020-10-27 17:33:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 17:33:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:07,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:07,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:07,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:07,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:07,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 17:33:07,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:07,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:07,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:07,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:07,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:07,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:33:07,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 17:33:07,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:07,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:07,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 17:33:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:07,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:07,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:07,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:33:07,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:07,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:33:07,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:07,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:07,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 17:33:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:07,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:07,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:07,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 17:33:07,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:07,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-27 17:33:07,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 17:33:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:07,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-10-27 17:33:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:08,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:08,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:08,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:33:08,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:08,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 17:33:08,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:33:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:33:08,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:08,304 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 440 proven. 2 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-10-27 17:33:08,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944969673] [2020-10-27 17:33:08,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:08,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:33:08,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288025113] [2020-10-27 17:33:08,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:33:08,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:08,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:33:08,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:33:08,306 INFO L87 Difference]: Start difference. First operand 6451 states and 8132 transitions. Second operand 7 states. [2020-10-27 17:33:11,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:11,911 INFO L93 Difference]: Finished difference Result 14279 states and 18278 transitions. [2020-10-27 17:33:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:33:11,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 484 [2020-10-27 17:33:11,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:11,938 INFO L225 Difference]: With dead ends: 14279 [2020-10-27 17:33:11,938 INFO L226 Difference]: Without dead ends: 7832 [2020-10-27 17:33:11,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 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 17:33:11,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7832 states. [2020-10-27 17:33:12,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7832 to 7621. [2020-10-27 17:33:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7621 states. [2020-10-27 17:33:12,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7621 states to 7621 states and 9627 transitions. [2020-10-27 17:33:12,146 INFO L78 Accepts]: Start accepts. Automaton has 7621 states and 9627 transitions. Word has length 484 [2020-10-27 17:33:12,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:12,147 INFO L481 AbstractCegarLoop]: Abstraction has 7621 states and 9627 transitions. [2020-10-27 17:33:12,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:33:12,147 INFO L276 IsEmpty]: Start isEmpty. Operand 7621 states and 9627 transitions. [2020-10-27 17:33:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2020-10-27 17:33:12,169 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:12,170 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:33:12,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 17:33:12,170 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:12,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:12,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1932643134, now seen corresponding path program 1 times [2020-10-27 17:33:12,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:12,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719722189] [2020-10-27 17:33:12,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:12,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:12,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:12,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:17,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:17,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:17,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 503 [2020-10-27 17:33:17,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:33:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 17:33:17,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 362 [2020-10-27 17:33:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 17:33:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:17,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:17,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:17,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:17,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:17,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:17,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:33:17,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:17,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:17,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:17,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:17,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:17,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:17,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:17,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:17,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:33:17,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:17,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 17:33:17,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:17,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:17,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 17:33:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:17,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:17,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:17,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:33:17,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:17,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 17:33:17,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:17,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:17,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 17:33:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:17,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:17,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:17,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-27 17:33:17,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:17,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 17:33:17,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:17,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:17,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 17:33:17,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:17,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-10-27 17:33:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:17,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:17,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:17,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:33:17,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:17,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 17:33:17,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:33:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:33:17,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 440 proven. 2 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-10-27 17:33:18,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719722189] [2020-10-27 17:33:18,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:18,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:33:18,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304326603] [2020-10-27 17:33:18,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:33:18,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:18,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:33:18,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:33:18,315 INFO L87 Difference]: Start difference. First operand 7621 states and 9627 transitions. Second operand 7 states. [2020-10-27 17:33:22,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:22,647 INFO L93 Difference]: Finished difference Result 15637 states and 19926 transitions. [2020-10-27 17:33:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:33:22,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 485 [2020-10-27 17:33:22,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:22,677 INFO L225 Difference]: With dead ends: 15637 [2020-10-27 17:33:22,677 INFO L226 Difference]: Without dead ends: 8400 [2020-10-27 17:33:22,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 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 17:33:22,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8400 states. [2020-10-27 17:33:22,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8400 to 8009. [2020-10-27 17:33:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8009 states. [2020-10-27 17:33:22,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8009 states to 8009 states and 9863 transitions. [2020-10-27 17:33:22,897 INFO L78 Accepts]: Start accepts. Automaton has 8009 states and 9863 transitions. Word has length 485 [2020-10-27 17:33:22,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:22,898 INFO L481 AbstractCegarLoop]: Abstraction has 8009 states and 9863 transitions. [2020-10-27 17:33:22,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:33:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 8009 states and 9863 transitions. [2020-10-27 17:33:22,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-10-27 17:33:22,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:33:22,922 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-27 17:33:22,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 17:33:22,923 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:33:22,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:33:22,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1303138735, now seen corresponding path program 1 times [2020-10-27 17:33:22,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:33:22,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534446961] [2020-10-27 17:33:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:33:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:23,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:23,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:26,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:27,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:28,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:28,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 535 [2020-10-27 17:33:28,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:33:28,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 17:33:28,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:28,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:28,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 394 [2020-10-27 17:33:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 17:33:28,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:28,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:33:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:28,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:28,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:28,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:33:28,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:28,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 17:33:28,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:28,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:28,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:28,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:28,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:33:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:28,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:28,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:28,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-27 17:33:28,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:28,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 17:33:28,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:28,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:28,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:28,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:28,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 17:33:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:28,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:28,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:28,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 17:33:28,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:28,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 17:33:28,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:28,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:33:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:33:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:28,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-27 17:33:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:28,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:28,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:28,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 17:33:28,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:28,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 17:33:28,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:28,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:33:28,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:33:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-10-27 17:33:28,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:28,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-10-27 17:33:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:33:28,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:33:28,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:33:28,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-27 17:33:28,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:33:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 17:33:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:33:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:33:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 17:33:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:33:28,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:33:29,290 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 440 proven. 2 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-10-27 17:33:29,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534446961] [2020-10-27 17:33:29,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:33:29,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 17:33:29,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475633419] [2020-10-27 17:33:29,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 17:33:29,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:33:29,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 17:33:29,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 17:33:29,294 INFO L87 Difference]: Start difference. First operand 8009 states and 9863 transitions. Second operand 7 states. [2020-10-27 17:33:32,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:33:32,985 INFO L93 Difference]: Finished difference Result 16034 states and 19959 transitions. [2020-10-27 17:33:32,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 17:33:32,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 517 [2020-10-27 17:33:32,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:33:32,988 INFO L225 Difference]: With dead ends: 16034 [2020-10-27 17:33:32,988 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:33:33,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 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 17:33:33,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:33:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:33:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:33:33,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:33:33,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 517 [2020-10-27 17:33:33,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:33:33,008 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:33:33,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 17:33:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:33:33,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:33:33,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 17:33:33,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:33:35,361 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 295 [2020-10-27 17:33:36,084 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 295 [2020-10-27 17:33:36,443 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 38 [2020-10-27 17:33:39,358 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 378 DAG size of output: 102 [2020-10-27 17:33:41,152 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 291 DAG size of output: 66 [2020-10-27 17:33:43,065 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 291 DAG size of output: 66 [2020-10-27 17:33:44,141 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 207 DAG size of output: 84 [2020-10-27 17:33:44,147 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:33:44,147 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:33:44,147 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:33:44,148 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:33:44,148 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:33:44,148 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 17:33:44,148 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:33:44,148 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,148 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,148 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,149 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,149 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:33:44,149 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-27 17:33:44,149 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,149 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,149 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,149 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,149 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,149 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-27 17:33:44,150 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,151 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,151 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,151 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,151 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,151 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,151 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,151 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,151 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,151 INFO L270 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= |old(~a4~0)| 1))) (.cse4 (= 9 |old(~a25~0)|))) (let ((.cse1 (not (<= 166 |old(~a29~0)|))) (.cse6 (not (<= 0 (+ |old(~a23~0)| 42)))) (.cse8 (not .cse4)) (.cse7 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0)))) (.cse2 (not (<= (+ |old(~a23~0)| 43) 0))) (.cse9 (not (= ~a3~0 1))) (.cse5 (not (= ~a8~0 15))) (.cse3 (and (or .cse0 (not (<= 155 |old(~a23~0)|))) (or (not (<= 10 |old(~a25~0)|)) .cse0)))) (and (or (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2)) .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse5 .cse1) (or .cse5 (not (= 11 |old(~a25~0)|))) (or (not (<= 12 |old(~a25~0)|)) .cse5) (or .cse5 .cse6 (not (<= 141 |old(~a29~0)|)) .cse8 .cse9 (not (<= |old(~a23~0)| 138))) (or .cse5 (not (= 10 |old(~a25~0)|))) (or (not (<= 0 (+ |old(~a29~0)| 554348))) .cse5 .cse7 .cse2 .cse9) (or .cse5 (not (<= 141 |old(~a23~0)|)) (not (<= 9 |old(~a25~0)|)) (not (<= (+ |old(~a29~0)| 538664) 0)) .cse9) (or .cse5 .cse3)))) [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L176-1(line 176) no Hoare annotation was computed. [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,152 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,153 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,154 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:33:44,155 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,156 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-27 17:33:44,157 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse9 (not (= |old(~a4~0)| 1))) (.cse11 (= 9 |old(~a25~0)|)) (.cse12 (= ~a25~0 |old(~a25~0)|)) (.cse13 (= ~a23~0 |old(~a23~0)|)) (.cse14 (= ~a29~0 |old(~a29~0)|))) (let ((.cse3 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0)))) (.cse1 (not (<= 166 |old(~a29~0)|))) (.cse4 (not (<= (+ |old(~a23~0)| 43) 0))) (.cse8 (and .cse12 .cse13 .cse14 (= ~a4~0 1))) (.cse6 (not (<= 0 (+ |old(~a23~0)| 42)))) (.cse7 (not .cse11)) (.cse5 (not (= ~a3~0 1))) (.cse0 (not (= ~a8~0 15))) (.cse10 (and (or .cse9 (not (<= 155 |old(~a23~0)|))) (or (not (<= 10 |old(~a25~0)|)) .cse9))) (.cse2 (and .cse12 .cse13 .cse14 (= ~a4~0 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= 11 |old(~a25~0)|))) (or (not (<= 0 (+ |old(~a29~0)| 554348))) .cse0 .cse3 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse3 .cse2 .cse7) (or .cse0 (not (= 10 |old(~a25~0)|)) .cse2) (or .cse8 .cse0 (not (<= 141 |old(~a23~0)|)) (not (<= 9 |old(~a25~0)|)) (not (<= (+ |old(~a29~0)| 538664) 0)) (not (<= |old(~a4~0)| 1)) .cse5 (not (<= 1 |old(~a4~0)|))) (or (not (<= 12 |old(~a25~0)|)) .cse0 .cse2) (or (and (or .cse9 .cse1 .cse4) (or .cse10 .cse4)) .cse2 .cse11) (or .cse9 .cse8 .cse0 .cse6 (not (<= 141 |old(~a29~0)|)) .cse7 .cse5 (not (<= |old(~a23~0)| 138))) (or .cse0 .cse10 .cse2)))) [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-27 17:33:44,158 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,159 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,160 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-27 17:33:44,161 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-27 17:33:44,162 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-27 17:33:44,163 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,163 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,163 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:33:44,163 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-27 17:33:44,163 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,163 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,163 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,163 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,163 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,164 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,165 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,166 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,167 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,168 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,168 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,168 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,168 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-27 17:33:44,168 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,168 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,168 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,168 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-27 17:33:44,168 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,169 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,170 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,171 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-27 17:33:44,172 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,172 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,172 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-27 17:33:44,172 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-27 17:33:44,172 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-27 17:33:44,172 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-27 17:33:44,172 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:33:44,172 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 312 ~a23~0) (<= 0 (+ ~a29~0 554348)) (= ~a25~0 10) (<= ~a29~0 130) (= ~a8~0 15) (= ~a4~0 1) (= ~a3~0 1)) [2020-10-27 17:33:44,173 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:33:44,173 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:33:44,173 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= 0 (+ |old(~a29~0)| 554348))) (not (= ~a8~0 15)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1)) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)) (not (<= 312 |old(~a23~0)|)) (not (= ~a3~0 1))) [2020-10-27 17:33:44,173 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:33:44,173 INFO L270 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse0 (or (<= ~a4~0 0) (< 1 ~a4~0))) (.cse1 (= ~a25~0 9)) (.cse2 (<= 0 (+ ~a23~0 42)))) (or (and (<= 155 ~a23~0) (= ~a4~0 1)) (and (<= 0 (+ ~a29~0 554348)) (<= (+ ~a23~0 43) 0) .cse0) (not (= ~a8~0 15)) (not (<= 0 (+ |old(~a29~0)| 554348))) (<= 10 ~a25~0) (and .cse1 .cse2 .cse0) (<= 166 ~a29~0) (not (<= 312 |old(~a23~0)|)) (not (= ~a3~0 1)) (not (= |old(~a4~0)| 1)) (and (<= 9 ~a25~0) (<= 141 ~a23~0) (<= (+ ~a29~0 538664) 0)) (and (<= ~a23~0 138) .cse1 .cse2 (<= 141 ~a29~0)) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-10-27 17:33:44,173 INFO L274 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-10-27 17:33:44,174 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-27 17:33:44,174 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (or (<= ~a4~0 0) (< 1 ~a4~0))) (.cse1 (= ~a25~0 9)) (.cse2 (<= 0 (+ ~a23~0 42)))) (or (and (<= 155 ~a23~0) (= ~a4~0 1)) (and (<= 0 (+ ~a29~0 554348)) (<= (+ ~a23~0 43) 0) .cse0) (not (= ~a8~0 15)) (not (<= 0 (+ |old(~a29~0)| 554348))) (<= 10 ~a25~0) (and .cse1 .cse2 .cse0) (<= 166 ~a29~0) (not (<= 312 |old(~a23~0)|)) (not (= ~a3~0 1)) (not (= |old(~a4~0)| 1)) (and (<= 9 ~a25~0) (<= 141 ~a23~0) (<= (+ ~a29~0 538664) 0)) (and (<= ~a23~0 138) .cse1 .cse2 (<= 141 ~a29~0)) (not (= 10 |old(~a25~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-10-27 17:33:44,174 INFO L274 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-10-27 17:33:44,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:33:44 BoogieIcfgContainer [2020-10-27 17:33:44,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:33:44,200 INFO L168 Benchmark]: Toolchain (without parser) took 150549.78 ms. Allocated memory was 159.4 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 139.2 MB in the beginning and 930.2 MB in the end (delta: -791.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2020-10-27 17:33:44,200 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 159.4 MB. Free memory is still 131.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:33:44,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1097.72 ms. Allocated memory is still 159.4 MB. Free memory was 138.5 MB in the beginning and 120.4 MB in the end (delta: 18.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. [2020-10-27 17:33:44,201 INFO L168 Benchmark]: Boogie Preprocessor took 179.44 ms. Allocated memory is still 159.4 MB. Free memory was 120.4 MB in the beginning and 112.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 17:33:44,202 INFO L168 Benchmark]: RCFGBuilder took 2360.46 ms. Allocated memory was 159.4 MB in the beginning and 195.0 MB in the end (delta: 35.7 MB). Free memory was 112.4 MB in the beginning and 135.3 MB in the end (delta: -22.9 MB). Peak memory consumption was 92.0 MB. Max. memory is 8.0 GB. [2020-10-27 17:33:44,203 INFO L168 Benchmark]: TraceAbstraction took 146900.33 ms. Allocated memory was 195.0 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 134.8 MB in the beginning and 930.2 MB in the end (delta: -795.4 MB). Peak memory consumption was 960.5 MB. Max. memory is 8.0 GB. [2020-10-27 17:33:44,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 159.4 MB. Free memory is still 131.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1097.72 ms. Allocated memory is still 159.4 MB. Free memory was 138.5 MB in the beginning and 120.4 MB in the end (delta: 18.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 179.44 ms. Allocated memory is still 159.4 MB. Free memory was 120.4 MB in the beginning and 112.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2360.46 ms. Allocated memory was 159.4 MB in the beginning and 195.0 MB in the end (delta: 35.7 MB). Free memory was 112.4 MB in the beginning and 135.3 MB in the end (delta: -22.9 MB). Peak memory consumption was 92.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 146900.33 ms. Allocated memory was 195.0 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 134.8 MB in the beginning and 930.2 MB in the end (delta: -795.4 MB). Peak memory consumption was 960.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: (((((((((((((155 <= a23 && a4 == 1) || ((0 <= a29 + 554348 && a23 + 43 <= 0) && (a4 <= 0 || 1 < a4))) || !(a8 == 15)) || !(0 <= \old(a29) + 554348)) || 10 <= a25) || ((a25 == 9 && 0 <= a23 + 42) && (a4 <= 0 || 1 < a4))) || 166 <= a29) || !(312 <= \old(a23))) || !(a3 == 1)) || !(\old(a4) == 1)) || ((9 <= a25 && 141 <= a23) && a29 + 538664 <= 0)) || (((a23 <= 138 && a25 == 9) && 0 <= a23 + 42) && 141 <= a29)) || !(10 == \old(a25))) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 135.6s, OverallIterations: 19, TraceHistogramMax: 5, AutomataDifference: 64.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 863 SDtfs, 10225 SDslu, 1388 SDs, 0 SdLazy, 25519 SolverSat, 3102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 177 SyntacticMatches, 7 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8009occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 3135 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 707 PreInvPairs, 813 NumberOfFragments, 911 HoareAnnotationTreeSize, 707 FomulaSimplifications, 82651860 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3763107 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 64.6s InterpolantComputationTime, 5895 NumberOfCodeBlocks, 5895 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5876 ConstructedInterpolants, 0 QuantifiedInterpolants, 5592320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 5603/5640 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...